高中英语表语从句教案 高中英语表语从句公开课课件
我谁给我讲讲高中那个主语从句和表语从句语法？详细点的。谢谢！
首先还是要从字面上来理解，主语从句即原来在句子中做主语的词变成了句子；表语从句即原来在句子中做表语的词变成了句子。理解了本质之后再来分析：
高中英语表语从句教案 高中英语表语从句公开课课件
高中英语表语从句教案 高中英语表语从句公开课课件
高中英语表语从句教案 高中英语表语从句公开课课件
主语从句：
这事没道理。This doesn't make sense.
上面主语This，谓语doesn't make，宾语sense。
有时候为了表达复杂意思的需要，上面这种初级的沟通方式要复杂化，变成复合句。如果变主语从句，就是用一个句子把原来的This替换成句子。
2. 他这么生气没道理。
这个句子的主语变成了“他这么生气”，同时这本身又是一个句子，在英语中，两个句子 不能直接连接，需要连词。而主语从句的连词不可省略。由于这句话在结构与语意上都不缺少，连词选用that：That he is so angry doesn't make sense.
英语中还有一个规则，尽量避免头重脚轻的结构，遇到这种情况一般要调整句子结构，即，把长的挪到后面。在本句中，明显主语过长，挪到句尾。这样的话主语位置空缺，我们使用一个形式主语it放在主语位置，因此这句话也可以说：It doesn't make sense that he is so angry.不过主语从句不是一定要调整结构的。两种都对。
主语从句的考点是连词，连词包括：that（不承担句子成分，不翻译意思）、所有特殊疑问词（按考题理解意思，看缺什么意思）、wher（不担任句子成分，翻译成是否）。
主语从句还有可能与定于从句混合到一起，构成名词性定语从句，这种情况比较复杂，先不说了。
表语从句：
原因很清楚。 The reason is clear.
上面句子中，主语The reason；系动词is；表语clear。
同样，有时候需要表达复杂的意思，可能上面的表语要变成一个句子才能满足沟通的需要，例如：
2. 原因是我们无法在周二上午到达。
这个句子的表语变成了“我们无法在周二上午到达”，而这本身又是一个句子，句子与句子在英语中不能直接放在一起，需要连词来连接。本句不缺成分不缺意思，因此连词选用that。
The reason is that we cannot arrive on Tuesday morning.
表语从句的考点是连词，连词包括：that（不担任句子成分，不翻译意思）、所有特殊疑问词、wher（不担任句子成分，翻译成是否）、as if / as though（好像，虚拟语气）。
人教版高中英语必修3《Unit 4 the science of the stars》教案
人教版高中英语必修3《Unit 4 the science of the stars》教案 教学准备
教学目标
Teaching goals 教学目标
1. Target language目标语言
a重点词汇和短语
astronomy, atmosphere, , violent, solid, explode, carbon, dioxide, oxygen, suce, planet, harmful, dlopment, spread, mod, depend, solar , in time, prnt…from, depend on
b重点句子
1.What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun. P25
2.It’s exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earth’s atmosphere. P25
3.It allowed the earth to dissolve harmful gases, which had become part of the earth’s atmosphere, into the oceans and seas. P25
4.Wher life will continue on the earth for millions of years to come will depend on wher this problem can be solved. P26
2. Ability goals 能力目标
a. Enable Ss to talk about the science of the stars, the dlopment of life and space trel and grity
Where do we come from?
How did the universe begin?
Why is the universe the way it was?
How will it end?
How much do you know about universe?
Do you want to he a space trel?
Do you know soming about grity?
b. Understand the text and answer the following questions:
1. What was there on the earth before life could begin?
2. Why do scientists think there has nr been life on the moon?
3. Why did animals first appear in the seas?
4. Why did green plants life to dlop?
5. Why were mammals different from other animals?
c. Enable the Ss to understand the details about the passage, choosing the correct answer according to the text and put the order of dlopment of life into a time line and answer questions.
d. Rel the passage using key sentences.
3. Learning ability goals 学能目标
Enable Ss learn how to talk about the beginning of life on the earth.
教学重难点
Teaching important points教学重点
a. Talk about the beginning of life on the earth.
Why did animals first appear in the seas?
Why did green plants life to dlop?
b. Discuss the order of dlopment of life
Teaching difficult points教学难点
a. Understand the beginning of life on the earth.
b. Discuss the questions:
What will our future be if the earth may become too hot for the lives on it?
Why are humans the clrest animals on the earth?
教学过程
...
人教版高中英语必修3《Unit 4 the science of the stars》教案
教学准备
教学目标
掌握重点短语
教学重难点
学会运用本课的句型。
教学过程
Step I Revision
1. Check reling of the passage
2. Translate the following sentences.
a. 你迟早会成功的.
b. 我的车与你的不一样.
c. 站在门旁边的那个人是谁?
d. 他总是个来,一个走.
e. 既然你已经长大了,你自己决定吧.
Suggested answers:
a. You will succeed in time.
b. My car is different from yours.
c. Who is the person standing by the door?
d. He is always the first to come and the last to go.
e. Now that you he grown up you can decide it yourself.
Step Ⅱ Word study
This part is a consolidation of the words learnt in this unit. Ask the students to do the exercises individually.
a. Page 28. First let students finish part 1,2
b. Check the answers with the whole class.
c. Give students 3minutes to finish part 3.
d. Let the students read part 4 for a while and finish it.
e. Check the answers.
Step Ⅲ Preparation
Show some sentences on the blackboard.
a. A tree has fallen across the road.
b. You are a student.
c. To find your way can be a problem.
d. Smoking is bad for you.
e. “How do you do?” is a greeting.
f. What she said is not yet known.
g. That we shall be late is certain.
h. It’s certain that we shall be late .
T: What part does the underli ned part serve as in each sentence? Or find its subject in each sentence.
Step Ⅳ Grammar
1. Give the students some time to find the sentences in the passage. The collect answers from the class.
2. Show typical examples of how to make a subject clause. Guide the Ss to find out what changes we he to make when we make a sentence or combine two sentences using subject clause. Teacher shows the example and Ss write down the sentences.
3. Turn to page 64, finish the eight sentences in exercise 2.
4. He a discussion in pairs. The topic is My dream. One talks about the problems in his study or life, another gives some a. Remind the students to use the following structures
a. My problem is…
b. My trouble is…
c. The question is…
d. My a is…
e. What I think about it is…
f. The fact is…
g. My suggestion is…
【高考链接】
主语从句
一、由what(whatr，whor)等代词的主语从句。
What th ey are after is money. 他们追求的是金钱。
Whatr was said here must be kept secret. 这里说的话都应当保密。
二、由连词that的主语从句。其中that一般不可省略，但若用it作形式主语， that从句后置时，则可省略。为避免头重脚轻，我们倾向用it开头，后接be，seem等。如果句子是疑问形式，就只能用带it的结构。
That money doesn't grow on trees should be obvious.
金钱不能从树上长出来是显而易见 的。
It is obvious(that)money doesn't grow on trees .显而易见，金钱是不能从树上长出来的。
Has it been announced when the planes are to take off?飞机什么时候起飞宣布了没有?
注意：
1)选用what还是用that主语从句要根据关联词在从句中是否担任成分而定。且what(以及whatr，whor等)的主语从句一般不用it作形式主语。
What he said is true.他说的是真的。(what在其的主语从句中作宾语。)
That China is a great socialist country is well known.(=It’s well known that…)众所周知，是一个伟大的。(that在其的主语从句中不作任何成分，也无词义，只起连接作用。)
2)it的强调句与it作形式主语的复合句不可混淆。it的强调句是用来对句中某一成分加以强调，其结构为：“It is(或was)+强调部分+that(或who)…”强调句去掉It is(或was)…that(或who)…框架后，剩余部分为一个完整的句子。
It was I that(who) met Mary in the street yesterday.是我昨天在街上遇见了玛丽。(强调主语)
3)常见的用it作形式主语的复合句结构：
It is+形容词(necessary，strange，important，wonderful，sible，likely，等)+that从句，从句中常用虚拟语气。
Its said that our English teacher will go abroad nextweek.据说我们英语老师下周要去出国。
It +不及物动词(seems，appears，happens， matters等)+that从句
It seems that she is in great need of .看来她急帮忙。
4)主语为从句时，一般要用单数谓语动词形式;但如果的从句作主语、代表复数概念(常可从表语上看出)时，谓语动词则常用复数形式：
What we need is water. 我们需要的是水。
What we need are useful books. 我们需要的是有用的书。
三、由连接代词或连接副词(或if, wher)的主语从句。
When they will come hasn't been made public.他们什么时候回来还没有宣布。
Wher I’ll attend the meeting hasn’t beendecided.=It hasn’t been decided wher(if) I’ll attend the meeting.我是否参加会议还未决定。
【高考链接】
1 ._____we’ll go camping tomorrow depends on theweather.
A.If B. Wher C. That D. Where
2.______she couldn't understand was____ fewer and fewer students showedinterest in her lessons.
A.What;why B. That;what C. What;because D. Why;that
3._____ lees the room last ought to turn off thelight.
A.Anyone B. The person C. Whor D. Who
4. These wild flowers are so special I would do____ Ican to se them
A.whatr B. that C. which D. whichr
5. It is pretty well understood _____ controls the flow of carbon dioxide in and outthe atmosphere today.
A.that B. when C. what D. how
6.___we can’t get seems better than ____we he.
A.What; what B. What; that C. That; that D. That; what
7. _______ team wins on Saturday will go through tothe national championships.
A.No matter what B. No matter which C. Whatr D. Whichr
8. ______ makes this shop different is that it offerore personal servs. (06 辽宁)
A.What B. Who C.Whatr D. Whor
9. After Yang Liwei succeeded in circling the earth, ______ ourastronauts desire to do is to walk in space.
A.where B. what C. that D. how
10. ______ in the regulations that you should not l other people thepassword of your e-mail account.(2005上海)
A.What is required B. What requires C. It is required D. It requires
【巩固练习】
1.____studies hard will pass the exam.
A.Whor B. Any student C. Who D. Those who
2.____the workers insisted on was that they ____morepay.
A.That; must be given B. What; begiven
C.Wher; would be given D. What;should give
3.____he will be sent to Hainanis certain.
A.Why B. Wher C. That D. How
4 ---You look so worried, what has happened?
----Itworries me ____I’ve hurt him.
A.if B. which C .what D. wher
5.____he said at the meeting astonished rybodypresent.
A.What B. That C . The fact D. The matter
6. Does ____ matter if he can’t finish the job ontime?
A.this B. that C .he D. it
7. ____breaks the law should be punished.
A.Anyone B. Whor C. He D. Whatr
8. ____I accept the gift or refuse it is none of yourbusiness.
A.If B. Wher C. Even if D.When
9. ____said that was wrong.
A.Who B. Whor C. Anybody D. Everybody
10. _____ is unknown to us all.
A.Where did he get it B. Where he got it
C.That where he got D. Which he got it
11.____has ed to se the drowning girl is worthpraising.
A.Who B. The one C. Anyone D. Whor
12. It worried her a bit ____her shoes were worn out.
A.while B. that C. if D. for
13.I read about it in some book or other，does it matter____ it was?
A.Where B. what C. how D. which
14.____ is a fact that English is being accepted as an internationallanguage
A.There B. This C.That D. It
15.I found ____strange that she didn't show any interest in it.
A. that B. what C. it D. which
【汉译英】
1. 澳大利亚出产羊毛。
2. 父亲把零钱放进钱包。
3. 他们敏捷的行动阻止了火势蔓延。
4. 你不能永远依赖你的双亲。
5. 我们初次见面到如今已有好多年了。
【及解析】
【高考链接】
1. B 因谓语动词depends on，说明go camping这件事尚未确定。主语从句在句首时，不用if，故用wher。
2. A 本句兼考查主语从句与表语从句。
3. C 此题中有两个不是并列的动词谓语，而Anyone和The person不是连接代词，也不是关系代词，所以先排除A和B;又whor=the person who,故选C.
4. A 本句考查“do what one can(do)”这一句型。用whatr代what语气更强。
5. C what主语从句，在从句中做主语，it是形式主语;that主语从句时，只起作用，不作任何成分。
6. A 主语从句we can’t get后缺宾语，故需用what;而than后分句也缺宾语，仍需用what。
7. D 根据句子结构可知本题考查名词性从句用法，故A、B项排除;whatr与whichr的不同之处在于前者没有范围而后者有范围，而本句中所表达的是在本周六参加比赛的获胜队，是有范围的，故D项正确。
8 A what主语从句，在主语从句中作主语。表语从句部分是说明该商店与众不同的具体内容，并未指人，因此排除B、D两项;whatr：anything that … 意为“……的任何事物”，不合句意，故排除。
9. B 根据题干中的…to do is…可知主语从句中缺少主语，而选项中能作主语从句主语的只有what。
10. C 此句中it作形式主语，代替后面的that从句，而且that从句内容与require构成被动关系，故C项正确。
【巩固练习】
1.A 2B. 3C 4D 5A 6D 7B 8 B 9B 10B 11D 12B 13D 14D 15C
【汉译英】
1.Australiaproduces wool.
2. The father put the all change into thewallet.
3. Their prompt actions prnted the fire from spreading.
4. You can’t depend on your parents forr.
5.Many years he gone by since we first met.
课后习题
Homework
1. Finish exercises (P63)
2. Finish exercises (P64)
英语语法—从句—表语从句
1. 在句子中起表语作用的从句叫做表语从句。表语从句的词和主语从句的词相同。
What the pol want to know is when you entered the room.
警察想知道的是你什么时候进的房间。
The trouble is that we are short of funds. 困难是我们缺乏资金。
That's why I want you to work there. 那就是我要你在那儿工作的原因。
His first question was wher Mr. Smith had arrived yet.
他的个问题是史密斯先生到了没有。
as if, as though, because也可用来表语从句。
She seems as if she had done a great thing. 她看起来好像做了一件大事。
It is because you eat too much. 那是因为你吃得太多了。
2. 虚拟语气：表语从句
主语是idea, notion, proal, suggestion, request等名词时, 作表语从句的动词为原形动词或should+原形动词。
My suggestion is that we (should) go and him. 我的建议是我们应该去帮助他。
Our only request is that this should be settled as soon as sible.
我们的请求就是尽快解决这个问题。
高中英语，麻烦简单核心的讲一下表语从句的特点和连接词？
表语从句简单的理解就是用一个句子来代替表语的位置故而称为表语从句，多存在于主系表这样的结构中。它的连接词指的就是在从句之前用来连接主句和从句的词，可以是that、wher、
if等，也可以是连接代词who、whom、whose等，还可以是连接副词when、where、why等。
连接词有that、wher、as if等；连接代词有who、whom、whose等，连接副词有when、where、why等。表语从句是名词性从句的一种，是指从句在主句中作表语成分，用来补充说明主语是什么。
英语从句的讲解和例子
英语从句分为名词性从句，形容词性从句（定语从句），以及状语从句。例如结果状语从句：He was so angry that he couldn't speak. 他气得话都说不出来。,从句体系包括：,名词性从句（主语从句、表语从句、宾语从句及同位语从句）、定语从句、状语从句,分类：,从句不能单独成句，但它也有主语部分和谓语部分，是一个特殊句子，就像一个句子一样。所不同在于，从句须由一个关联词。,根据从句语能的不同可分为：主语从句、表语从句、宾语从句、同位语从句、定语从句和状语从句6类。,前四类由于主语从句、表语从句、宾语从句及同位语从句在句子的功用相当于名词，所以通称 名词性从句 ；,定语从句功能相当于形容词，称为 形容词性从句 ；而状语从句功能相当于副词，称为 副词性从句 。,状语从句还可以分为条件状语从句、原因状语从句、地点状语从句、目的状语从句、让步状语从句、比较状语从句、方式状语从句、结果状语从句和时间状语从句。, 主语从句 （Subject Clause）,用作主语的从句叫主语从句。主语从句的关联词有从属连词、疑问代词、疑问副词、缩合连接代词、缩合连接副词等。, 表语从句 （Predicative Clause）,用作表语的从句叫做表语从句。表语从句的关联词与主语从句的关联词很多都一样。, 宾语从句 （Object Clause）,在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类：动词的宾语从句、介词的宾语从句和形容词的宾语从句。, 同位语从句 ,是名词性从句(主语从句、表语从句、宾语从句、同位语从句)中的主要从句之一，从句作同位语表示与之同位的名词(短语)的实际内容，它的作用相当于名词，对前面的名词(短语)加以补充说明或进一步解释，相当于一个表语从句，它们之间的关系就是同位关系，即主表关系。, 定语从句 ,是由关系代词或关系副词的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，所以又称为形容词性从句，一般紧跟在它所修饰的先行词后面。, 状语从句 ,时间状语从句（aerbial clause of time）,地点状语从句（aerbial clause of place）,原因状语从句（aerbial clause of cause）,条件状语从句（aerbial clause of condition）,目的状语从句（aerbial clause of pure）,让步状语从句（aerbial clause of concession）,比较状语从句（aerbial clause of parison）,方式状语从句（aerbial clause of manner）,结果状语从句（aerbial clause of result）,英语八类状语从句的用法归纳,一、概说,状语从句即指在主从复合句用作状语的从句。按照其意义，状语从句可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句等。状语从句是高中英语学习中的一个语法重点，也是历年高考重点考查的内容之一。学习状语从句主要应注意状语从句的从属连词的用法与区别，以及从属连词在一定的语言环境中的意义与用法。,二、 时间状语从句 ,1. 时间状语从句的从属连词很多，常见的有before, after, when, while, as, since, till, until, as soon as 等。,2. 表示“当…时候”的 while, when, as 的用法区别是：while从句中的谓语动词必须是延续性动词；表示带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时，只能用 when；当表示“一边…一边…”或“随着”时，只能用 as。另外，用于此义的 as 所的时间状语从句谓语只能是动作动词，不能是状态动词。如下面一道高考题的是 B 而不能是A：,“I’m going to the t off.” “_____ you’re there, can you get me some stamps?”,A. As B. While C. Because D. If,3. until 在肯定句中通常只连用延续性动词，表示相应动作结束的时间；在否定句中通常连用非延续性动词，表示相应动作开始的时间，意为“直到…才”。如：,He waited until she was about to lee. 他等着一直到她准备离开。,I did not begin to work till he had gone. 他走了后我才开始工作。,4. 表示“一…就”除用 as soon as 外，还可用 the minute, the second, the instant, immediay, directly, instantly, no sooner…than, hardly…when 等。如：,I came immediay you called. 你一来电话我就来了。,Hardly had she arrived when it began to snow. 她刚到就下起雪来了。,The moment I he finished I'll give you a call. 我一干完就给你打电话。,5. ry time, each time, (the) next time, (the) last time, by the time, the first time, any time 等以 time 结尾的词语也可用作连词，时间状语从句。如：,Next time you e in, please close the door. 下次你进来，请关门。,He didn’t l me anything the last time I saw him. 上次我见到他时他什么也没告诉我。,By the time I got home, she had already gone to bed. 我到家时她已睡觉了。,三、 条件状语从句 ,1. 条件状语从句的从属连词主要有 if, unless, as [so] long as等。如：,Don’t e unless I ephone. 除非我打电话，否则你别来。,If you watch carefully you will see how to do it. 如果你仔细瞧你会看出该怎样做。,As long as you do your best, we’ll be happy. 只要你尽力，我们就满意了。,2. in case 也可条件状语从句，其意为“如果”、“万一”。如：,In case I fet, please remind me about it. 如果我忘了，请提醒我。,四、 让步状语从句 ,1. 让步状语从句的从属连词主要有 although, though, howr (=no matter how), n if(即使), wher…or(不论…还是)等连词。如：,The speech is good, though it could be better. 这次演讲不错，虽然还可以再好一点。,He went out n though it was raining. 尽管下雨，他还是出去了。,2. as 也可让步状语从句，但要将名词、形容词或副词等提到 as 前，若提前的是单数可数名词，要省略 a / an。如：,Teacher as he is, he can’t know rything. 虽然是老师，他也不可能什么都懂。,3. 连词 while 有时也可表示“尽管”、“虽然”，让步状语从句。如：,While we don’t agree we continue to be friends. 尽管我们意见不同，我们还是朋友。,4. whatr, whor, howr, whenr, wherr 等让步状语从句。如：,Don’t lose heart whatr you do. 不管你做什么，都不要灰心。,Whor you are, you can’t pass this way. 不管你是谁，你都不能从这里通过。,注：表示“虽然”的 though, although 不可与 but 连用，但可与 yet, still 连用。,五、 原因状语从句 ,1. 原因状语从句的从属连词主要有because, as, since, seeing (that), now (that)等：,They can’t he gone out because the light’s on. 他们不可能出去了，因为灯还亮着。,Since you are going, I will go. 既然你去，我也去。,Now that we are alone, we can speak freely. 现在我们单独在一起，可以随便谈了。,2. 除以上提到的大家比较熟悉的原因状语从句的从属连词外，when有时也可原因状语从句，其意“既然”。如：,I can’t l you when you won't listen. 既然你不想听，我就不告诉你了。,3. 有关原因状语从句还应注意以下几点：,(1) as 与 since, now that 一样表示双方都知道的原因，通常位于主句前，且均不可用于强调结构被强调。,(2) 当表示直接的因果关系，回答 why 时，或有 only, just, all, partly, not, but 等副词修饰时，或用在强调结构中都只能用 because。,(3) for 有时也可引出表示原因的分句，但它只能位于后面，对前一分句加以解释或推断。,(4) 不要受汉语意思影响将表示“因为”的连词与表示“所以”的 so 连用。,六、 地点状语从句 ,地点状语从句的从属连词主要有where (在…的地方), wherr(无论什么地方), rywhere(每个…地方), anywhere(任何…地方)。如：,I’m not living where I was. 我不在原处住了。,You can’t camp where [wherr, anywhere] you like these days. 如今你可不能随便在哪儿宿营。,Everywhere I go, I find the same thing. 不管我走到哪里，我都发现同样情况。,2. 有的同学认为地点状语从句在平时见得不多，误认为考试不会涉及，但恰恰相反，地点状语从句却是英语考试经常考查的一个知识点。请看以下考题：,(1) When yoead the book, you’d better make a mark _____ you he any questions.,A. at which B. at where C. the place where D. where,(2) After the war, a new school building was put up _____ there had once been a theatre.,A. that B. where C. which D. when,(3) You should make it a rule to lee things _____ you can find them again.,A. when B. where C. then D. there,(4) She found her calculator ______ she lost it.,A. where B. when C. in which D. that,以上四题均选where，其意为“在…的地方”，用以地点状语从句。,七、 目的状语从句 ,1. 目的状语从句的从属连词主要有 in order that, so that, in case, for fear等。如：,I hired a boat so that I could go fishing. 我租了一条船去钓鱼。,Take your coat in case it rains (should rain). 带着雨衣以防下雨。,He studied hard in order that he could pass the exam. 他努力学习，是为了能通过考试。,2. 目的状语从句的 so that 有时可省so 或 that，即单独用 so 或 that 来目的状语从句。如：,Check carefully, so any mistake will be caught. 仔细检查，以便任何错误都可检查出。,Bring it closer that I might see it better. 拿近些，使我能看得清楚些。,八、 结果状语从句 ,结果状语从句的从属连词主要有so that, so…that, such…that等。如：,He was so angry that he couldn't speak. 他气得话都说不出来。,He shut the window with such force that the glass broke. 他关窗子用力很大，结果玻璃震破了。,注：so…that和such…that中的that有时(尤其在口语中)可省略。
英语语法名词性从句：表语从句用法解析
英语语法名词性从句：表语从句用法解析
表语从句的词有连词that，wher，连接代词和连接副词，关系代词型what，以及as if，as though，because等连词。
1.由that
The fact is that he doesn’t really try.事实是他没有做真正的努力。
The trouble is that I he lost his address.麻烦的是我把他的地址丢了。
My suggestion is that we should l him.我的建议是我们应该告诉他。
His sole require mentw as(is)that the work.他的.要求是这个制度能起作用。
My idea is that we should start preparations right now.我的意见是我们马上就开始做准备工作。
2.由wher
The question is wher the film is worth seeing.问题是这部电影是否值得看。
【注意】wher可表语从句，但与之同义的if却通常不用于表语从句。
3.由连接代词
You are not who I thought you were.你已不是我过去所想像的人。
The problem is who we can get to replace her.问题是我们能找到谁去替换她呢。
The question is who(m) we should trust.问题是我们应当相信谁。
What I want to know is which road we should take.我想知道的是我们应走哪条路。
4.由连接副词
The problem is how we can find him.问题是我们如何找到他。
That was when I was fif.这是我15岁时发生的事。
That’s where I first met her.那就是我次遇见她的地方。
That’s why he didn’t come.这就是他没有来的缘故。
That’s why I object to the plan.这就是我反对这个的原因。
That’s where you are wrong.这就是你不对的地方。
5.由关系代词型what
That’s what I want to stress.这是我想强调的。
That’s what we are here for.我们来这里就为了这个。
Fame and person algainis what they’re after.他们追求的是名利。
He is no longer what he was.他已经不是以前的他了。
6.由as if/as though
It isn’t as if you were going away forr.又不是你离开不回来了。
Now it was as though she had known Millie for years.现在好像她认识米莉已有好多年了似的。
It is not as though we were poor.又不是我们家里穷。
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高中英语表语从句的介绍 高中英语表语从句讲解
高三网权威发布高中英语表语从句的介绍，更多高中英语表语从句的介绍相关信息请访问高三网。 【导语】从句是高中英语的学习的重点，下面大范文网将为大家带来高中英语的表语从句和宾语从句的区别的介绍，希望能够帮助到大家。
1.表语从句:就是用一个句子作为表语。说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。
Eg:The problem is puzzling.这问题令人困惑
主语 连系动词 形容词作表语
The problem is when we can get a pay rise.问题是什么时候我们可以得到加薪.
主语 连系动词 一个句子作表语---表语从句
2.连接表语从句的连接词有：that, what, who, when, where, which, why, wher,how.
He has become a teacher.他已经成为一名教师。
He has become what he wanted to be ten years ago.
他已经成为了他10年前想成为的。
She has remained there for an hour.
她曾在那里停留了一个小时。
She has remained where I stood yesterday for an hour.
她一直在我昨天站的地方站了一个小时。
His suggestion is good.他的建议是好的。
His suggestion is that we should stay calm.
他的建议是，我们应该保持冷静。
The question is when he can arrive at the ho.
问题是，他什么时候可以到达酒店。
who will trel with me to Beijing tomorrow.
谁与我明天将前往。
why he cried yesterday.昨天他为什么哭。
how I can persuade her to join us in the party.
我怎么能说服她加入我们的派对。
wher the enemy is marching towards us.
是否敌人正向我们行进.
英语语法：表语从句的用法
导语： 表语从句在一个 复合句中，从句作的是主句的表语成分。下面我为您收集整理了英语表语从句的用法，希望对您有帮助!
表语从句的定义：
A. 表语从句就是用一个句子作为表语。说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。
例句：The problem is when we can get a pay rise. 问题是，当我们可以得到加薪。
B. 连接表语从句的连接词有：that, what, who, when, where, which, why。例句：
He has become what he wanted to be ten years ago.
他已经成为了他10年前想成为的。
She has remained where I stood yesterday for an hour.
她一直在我昨天站的地方站了一个小时。
His suggestion is that we should stay calm.
他的建议是，我们应该保持冷静。
The question is when he can arrive at the ho.
问题是，他什么时候可以到达酒店。
表语从句的.注意事项：
A. 表语从句一定要用陈述语序。
False: The question is when can he arrive at the ho.
Right: The question is when he can arrive at the ho.
B. 不可以用if，而用wher连接表语从句(as if 例外);
宾语从句时可以互换if/wher，位于介词后要用wher;
位于句首时要用wher;
表语从句，主语从句，同位语从句时要用wher。
False: The question is if the enemy is marching towards us.
Right: The question is wher the enemy is marching towards us.
Right: It looked as if he had understood this question.
C. 不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。
Right: The question is who will trel with me to Beijing tomorrow.
Right: The question is why he cried yesterday.
D. that在表语从句中不可以省掉。
表语从句的基本用法：
表语从句只能置于主句之后，而主句的动词只能是联系动词。
名词性从句在be等系动词后作表语时被称为表语从句，例如：
The problem is how we can get the things we need. 问题是我们怎样能弄到我们需要的东西。(how 在表语从句中充当方式状语)
The scissors are not what I need. 这把剪刀不是我所需要的。(what在表语从句中充当宾语)
What I told him was that I would find him a good play. 我告诉他的是我会给他找个好剧本。(what在主语从句中作直接宾语，that作为表语从句的词在该表语从句中不充当句子成分，不能省略)
That is what I want to l you. 那就是我想要对你讲的。(what在表语从句中充当直接宾语)
That is why she failed to pass the exam. 那就是她考试不及格的原因。(why在表语从句中充当原因状语)
注意：“That is why...”是常用句型，意为“这就是……的原因/因此……”，其中why的名词性从句在句中作表语，该句型通常用于针对前面已经说明过的原因进行总结，又如：That is why you see this old woman before you know, Jeanne. 珍妮，这就是现在这个老太婆出现在你面前的原因。(前文提到Jeanne对老妇人显得苍老憔悴深感诧异，说话人对她讲述了其中的原因之后，用这一句来进行概括)。
下面是两个与“That is why...”形式相似的结构，它们与“That is why...”结构之间的关系要能够辨析清楚：
(1)“That is why...”与“That is the reason why...”同义，只不过从语法结构上讲，“That is the reason why...”中why的是—个定语从句，将其中的the reason去掉则与“That is why...”结构一样，例如：
That is (the reason) why I cannot agree. 这就是我不能同意的理由。
(2)“That is because...”句型中从属连词because的名词性从句在此作表语，这也是个常用句型，意为“这就是为什么……/因为……”。“That is because...”与“That is why...”之间的不同在于“That is because...”指原因或理由，“That is why...”则指由于各种原因所造成的后果， 例如：
He did not see the film last night. That is because he had to his little sister with her homework. 昨天晚上他没有去看电影，那是因为他得帮助他的妹妹做作业。(句话说明结果， 第二句话说明原因)
He had seen the film before. That is why he did not see it last night. 他以前曾看过那部电影，因此他昨天晚上没有去看。(句话说明原因，第二句话说明结果)
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