1、表語從句1、概述用作表語的從句叫作表語從句，它位于主句中的連系動詞之后。引導(dǎo)表語從句的詞有從屬連詞that、whether、as though(if)；關(guān)系代詞who, what, which, whom, whose, whatever, whoever, whomever, whichever等；關(guān)系副詞when, where, why, how, however, whenever, wherever等?？梢越颖碚Z從句的連系動詞由be, look, remain, seem等。That引導(dǎo)表語從句時，在口語中，間或可以省略。The trouble is that we are short

2、 of money.困難是我們資金短缺。That is why stone walls are used instead of fences around New England fields.這就是為什么在新英格蘭用石頭墻而不用柵欄的原因。At that time, it seemed as if I couldnt think of the right word anyhow.當(dāng)時,我似乎怎么也想不出一個恰當(dāng)?shù)淖盅蹃怼?、由從屬連詞that，whether引導(dǎo)的表語從句。that在引導(dǎo)表語從句時無詞義，而whether有詞義，意為、“是否”。這時主句的主語常常是些抽象名詞，如questio

3、n(問題)，trouble(麻煩)，problem(問題)，result(結(jié)果)，chance(可能性)，suggestion(建議)，idea(想法)，reason(理由)等。表語從句對主句主語進(jìn)行說明、解釋，使主語的內(nèi)容具體化。 The trouble is (that) she has lost his money. 麻煩的事是他丟了錢。The question is whether we need more ice cream.問題是我們是否還需要一些冰淇淋。The problem was that it was too valuable for everyday use.問題是它作為

4、日常之用太貴重了。What she couldnt understand was that fewer and fewer students showed interest in her lessons. 我們不能理解越來越少的學(xué)生對他的課不感興趣。3、由關(guān)系代詞引導(dǎo)的表語從句。關(guān)系代詞who, what, which, whom, whose, whatever, whoever, whomever, whichever等引導(dǎo)表語從句，在句中作主語、賓語、表語，關(guān)系代詞不能省略。The question is which of us should go.問題是我們哪一個應(yīng)該去。The pro

5、blem was who could do the work.問題是誰能做這項工作。Thats what he is worrying about.那就是他在擔(dān)心的事。Thats what we should do.那是我們應(yīng)該做的。4、由關(guān)系副詞引導(dǎo)的表語從句。Go and get your coat. Its where you left it. 去把雨衣拿來。就在你原來放的地方。I had neither a raincoat nor an umbrella. Thats why I got wet through. 我們既沒傘也沒雨衣，這是我們淋濕的原因。That is how mic

6、e ruin many stores of grain every year.那就是老鼠是怎樣每年損害大量糧食的。That is what he is worried about.那就是他所擔(dān)心的。5、由連詞because，as if/as though等引導(dǎo)的表語從句。It looked as if it was going to snow.看起來好像要下雪了。Thats because we never thought of it.這是因?yàn)槲覀儚奈聪脒^此事。It seems as if he didnt know the answer.好像他不知道答案?？梢越颖碚Z從句的系動詞有：1：be（

7、being,been,am,is,are,was,were)2: feel , seem , look, appear ,sound, taste , smell 3: stand , lie , remain ,keep, stay4: become ,get , grow , turn ,go ,come, run, fall5: prove, turn out 系動詞的固定搭配:come true, fall asleep, fall ill, go bad, come right, run wild 連接詞：that / whether /as if /as though (if不引導(dǎo)

8、表語從句)連接代詞：who / whom / whose / which / what 連接副詞：when / where / why / how / because 注：引導(dǎo)表語從句的連詞that間或可以省略。The truth is（that）I didnt go there. 事實(shí)是我沒去那兒。表語從句練習(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

9、. because B. 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 getC. who we can get D. that we can get5. What I want to know is _ he likes the gift given by us.A.

10、 that B. if 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

11、B. when C. what D. because 10. The reason why he hasnt come is _. A. because his mother is ill B. because of his mothers 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.

12、A. what B. where C. that D. whythat/what的區(qū)別練習(xí)1_your father wants to know is_ getting on with your studies.A. What; how are you B. That；how you are C. 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

13、” by Columbus.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 being C. what it used to being D. what it was used to be 5. _he really means is _he disagrees with us.A. What that B. That whatC. What

14、 what D. That what6. The energy is _ makes the cells able to do their work.A. that B. which C. what D. such高考練習(xí)1 I drove to Zhuhai for the air show last week .Is that_ you had a few days off？（NMET1999）A. why B .what C. when D. where 2 .I had neither a raincoat nor an umbrella _I got wet through. （1998 上海）A. Its the reason B. Thats why C. Theres why D. Its how3. See the flags on top of the building? That was _ we did this morning. （06 全國）A. when B. which C. where D. what4. - Are you still thinking about yesterdays game?(2003北京春) -Oh, thats _.A. what makes me feel excited B. whatever I