表語(yǔ)從句用法

1、表語(yǔ)從用法1. 定義：用作表語(yǔ)的從句叫做表語(yǔ)從句2. 引導(dǎo)表語(yǔ)的從句的關(guān)聯(lián)詞的種類（ 1）從屬連詞 that. The trouble is that I have lost his address.The reason was that he was late for school.(2)從屬連詞 whether, as, as ifHe looked just as he had lookedten years before.The question is whether they will be able to help us.注：從屬連詞 if 一般不用來(lái)引導(dǎo)表語(yǔ)從句，但as if 卻

2、可引導(dǎo)表語(yǔ)從句。All this was over twenty years ago, but its as if it was only yesterday.The key is whether we can solve the problem.It looked as if it was going to rain.注：能跟表語(yǔ)從句的謂語(yǔ)動(dòng)詞一般為系動(dòng)詞be, seem, look, sound等He looked just as he had looked ten years before.It sounds as if someone is knocking at the door.(

3、3) 連接代詞 who, whom, whose, what, which, whoever, whatever, whichever 在表語(yǔ)從句中做主語(yǔ)、賓語(yǔ)等。The problem is who we can get to replace her.That was what she did this morning on reaching the agreement.My question is who left.(4) 連接副詞 where, when, how, whyWhat I wonder is when he left.This is where they once live

4、d.That is why he didntcome here.The question is how he did it.(5) 連詞 because 可引導(dǎo)表語(yǔ)從句。注意： because 可引導(dǎo)表語(yǔ)從句，但與之同義的 since, as, for等不用于引導(dǎo)表語(yǔ)從句。I think it is because you are doing too much.Its just because he doesntknow her.Thats because he didntunderstand me.(Thats because 強(qiáng)調(diào)原因 )That's why he got angr

5、y with me.(Thats why強(qiáng)調(diào)結(jié)果 )注意：在一些表示“建議，勸說(shuō)，命令”的名詞后面的表語(yǔ)從句中，謂語(yǔ)動(dòng)詞用虛擬語(yǔ)氣 . Should+動(dòng)詞原形表示， should 可省略。My suggestion is that we (should) start early tomorrow.一堅(jiān)持（ insisit）二命令（ command, order）三建議（ suggest, advise,propose）四要求（ desire, demand, require, request）四注意事項(xiàng)（重點(diǎn)看）1. 表語(yǔ)從句要用陳述語(yǔ)序。That is where the famous sc

6、ientist was born.This is why she is so happy today.2. that 和 what 在引導(dǎo)的表語(yǔ)從句that 本身沒(méi)有詞義，在句中只起連接作用，不充當(dāng)句子成分；what則表示“所的（人或事）”，在表語(yǔ)從句中充當(dāng)主語(yǔ)或賓語(yǔ)等。That facet is that more than seventy percent of the earths surface iscovered by water.What he told you was what had been discussed at the meeting.3. if 與 whether 均意

7、為“是否”引導(dǎo)的表語(yǔ)從句是，只能用whether，不能用if 。The question is whether we can finish our work bytomorrow evening.4. 語(yǔ)氣（ 1）主語(yǔ)為 advice, order, idea, notion, proposal, suggestion, request等一些表示“建議，勸說(shuō)，命令”的名詞，之后的表語(yǔ)從句中，謂語(yǔ)動(dòng)詞用虛擬語(yǔ)氣。 Should+動(dòng)詞原形表示， should 可省略。My suggestion is that we (should) start early tomorrow.Our only re

8、quest is that this should be settled as soon as possible.(2) as if / though 引導(dǎo)的表語(yǔ)從句時(shí)， 從句謂語(yǔ)多用虛擬語(yǔ)氣。 這是因?yàn)閺木渲械那闆r與事實(shí)不相符。具體來(lái)說(shuō)，如果從句表示與現(xiàn)在事實(shí)相反，謂語(yǔ)動(dòng)詞用一般過(guò)去式；如果從句表示與過(guò)去事實(shí)相反，謂語(yǔ)動(dòng)詞“ had+done”,如果從句表示將來(lái)的可能性不大，用 would(might, could)+ 動(dòng)詞原形。Li Lei is now in a new jacket he looks as if he were an American boy.The girl is g

9、iving us a vivid description of the moon.It seems as if she had been to the moon many times.但是，如果 as if, as though 引導(dǎo)的表語(yǔ)從句所表示的與事實(shí)相符，從句則用陳述語(yǔ)氣。The clouds are gathering. It looks as if it is going to rain.5. 時(shí)態(tài)不像賓語(yǔ)從句，在有表語(yǔ)從句的復(fù)合句中，主語(yǔ)時(shí)態(tài)和從句時(shí)態(tài)可以不一致。The question is who will travel with me to Beijing tomorrow

10、.The question is why he cried yesterday.系動(dòng)詞分類：一根據(jù)系動(dòng)詞后所跟結(jié)構(gòu)，我們可以把英語(yǔ)系動(dòng)詞分為兩大類：完全系動(dòng)詞（其后只能跟表語(yǔ)動(dòng)詞，如be, seem）和半系動(dòng)詞（其后既跟表語(yǔ)作系動(dòng)詞用法，也可以跟賓語(yǔ)或狀語(yǔ)作實(shí)義動(dòng)詞用，如look ）1) He looked sadly at the boy. 看(著，實(shí)義動(dòng)詞用法 ) He looks a clever boy. (看起來(lái)，系動(dòng)詞用法 )2）He looks at a clever boy.看(著，實(shí)義動(dòng)詞用法 )在英語(yǔ)中，某一動(dòng)詞是多義詞， 既有實(shí)義動(dòng)詞用法， 又有系動(dòng)詞用法。二根據(jù)系動(dòng)詞的

11、意義，我們把英語(yǔ)系動(dòng)詞分為四類：A五大感官系動(dòng)詞B. 狀態(tài)系動(dòng)詞 C. 動(dòng)態(tài)系動(dòng)詞D.雙謂語(yǔ)系動(dòng)詞1.look “看起來(lái)像是“，后接adj,n.分詞，介詞短語(yǔ)，不定式等。The girl bit her lips and looked thoughtful.2.Smell “聽(tīng)起來(lái)”，后接 adj,分詞。 The flower smell sweet.3. sound “聽(tīng)起來(lái)“，后接 adj,分詞。 The music sounds sweet.4. taste “嘗起來(lái)“，后接 adj,分詞。 The apples taste very good.5. feel “摸起來(lái)，給 .感覺(jué)”；

12、“覺(jué)得”，后接 adj, p.p You will feel better after a nights sleep.B.狀態(tài)系動(dòng)詞：1. be, “是“，屬完全系動(dòng)詞。I am a student.2. seem,“似乎，好像“，完全系動(dòng)詞。They seem quite happy.3.appear,“顯得，看起來(lái)好像”，半系動(dòng)詞。It appeared (to be) a true story.4. keep,“保持 的狀”，半系動(dòng)詞，后接 adj 或介詞短語(yǔ)。Youd better go to bed and keep warm.5.remain,“仍是”，半系動(dòng)詞。I remaine

13、d silent.6. stay “保持 (某種狀態(tài) )”,半系動(dòng)詞 ,后接 adj,過(guò)去分詞。The window stayed open all the night.7. prove“證明是”，半系動(dòng)詞，后接 adj,nThe treatment proved to be sucessful.C. 動(dòng)態(tài)系動(dòng)詞：都屬于半系動(dòng)詞，描述狀態(tài)變化過(guò)程。1.get “變成，變得起來(lái) ”,后接形容那個(gè)詞，分詞，介詞短語(yǔ)。The days are getting longer and longer.2. fall“進(jìn)入（某種狀態(tài)），成為“，后接以下形容詞： asleep,lame, silent, il

14、l, sick, flat. The old men, unable to express himself, fell silent.My father fell ill and died.3. grow “漸漸變得 .起來(lái)，長(zhǎng)得 ”Its growing warm.4. turn“轉(zhuǎn)變成（新的與原來(lái)完全不同的色彩或性質(zhì)） ，變質(zhì)（色）”。Maple trees turn red in autumn.It was cloudy this morning, but fortunately it has turned fien.5. go, “變成（某種壞的狀態(tài)） ”The telephone h

15、as gone dead. The material has gone a funny colour.Go 之后常接 adj.還有： bad,blind, wild, wrong, sour, hard, hungry, mad, red, with, anger, white, pale, blue, grey6. become”變成，成為（好壞均可的情況） ”I became interested in drawing. He became angry with me.They became good friends.7. come, “變成為（已知的狀態(tài)） ，證實(shí)為”，后接形容詞或前綴

16、un-的過(guò)去分詞作表語(yǔ)，表示狀態(tài)或情況的變化。His wish to become a pilot has come true.后面接的形容詞還有apart,dear,natural,open,short, right,unstuck, untied.8. run “變成 ”，后接 adj. The price ran high.9. make, “達(dá)到某種狀態(tài)，后接形容詞，如：sure, certain, merry, bold,free.We must make certain of facts.D 雙謂語(yǔ)系動(dòng)詞此類系動(dòng)詞既有系動(dòng)詞功能，后接表語(yǔ)，又保留原實(shí)義動(dòng)詞本身的含義。The sun

17、 rose red. She stopped and stood quite still.The snow lay thick on the ground. He married young.Lei Feng died young.He continued silent.表語(yǔ)從句練習(xí)1. The question is _ we will have our sports meet next week. A. that B. if C. when D. whether2The reason why he failed is _he was too careless. A. because B.

18、that C. for D. because of3. Go and get your coat. It s _you left itA. where B. there C. there where D. where there4The problem is _to take the place of TedA. who can we get B. what we can get C. who we can get D. that we can get 5. What I want to know is _ he likes the gift given by us.A. that B. if

19、 C. whether D. 不填6. The reason is_I missed the bus.A. that B. when C. why D. what7. That is _ _ we were late last time.A. that B. when C. why D. what8. She looked _ she were ten years younger.A. that B. like C. as D. as though9. I fell sick!-I think it is _ you are doing too much.A. why B. when C. w

20、hat D. because10. The reason why hehasn t come is _.A. because his mother is ill B. because of his mother s being illC. that his mother is ill D. for his mother is ill11. He was born here. - That is _ he likes the place so much. A. that B. what C. why D. how12.That is _ Lu Xun once lived. A. what B.

21、 where C. that D. why that/what 的區(qū)別1_your father wants to know is_ getting on with your studies.A. What; how are you B. That；how you areC. How； that you are D. What；how you are2. The trouble is_we are short of tools. A. what B. that C. how D. why that3. America was _was first called“ India ” by Colu

22、mbus.A. what B. where C. the place D. there where4. China is becoming stronger and stronger. It is no longer_ . A. what it used to be B. what it was used to beingC. what it used to being D. what it was used to be5. _he really means is _he disagrees with us.A. Whatthat B. ThatwhatC. Whatwhat D. Thatwhat6. The energy is _ makes the cells able to do their work.A. that B. which C. w