1、精品文檔表語從句講解及專項練習概念：表語從句是在復合句中作表語的名詞性從句。放在系動詞之后，一般結構是 主語+系動詞+表語從句”可以接表語從句的連系動詞有be, look, remain, seem 等。 The trouble is that we are short 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 couldn'

2、;t think of the right word anyhow.當時,我似乎怎么也想不出一個恰當的字眼來。引導表語從句的詞：從屬連詞that、whether > as though、as if （That引導表語從句時，在口語中，間或可 以省略。）關系代詞 who, what, which, whom, whose, whatever, whoever, whomever, whichever 等；關系副詞 when, where, why, how, however, whenever, wherever 等。X由從屬連詞that , whether引導的表語從句。that在引導表

3、語從句日無詞義，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question（ 問題），trouble（ 麻煩），problem（問題），result（ 結果），chance（可能性）,suggestion（ 建議），idea（想法），reason（理由）等。表語從句對主句主語 進行說明、解釋，使主語的內容具體化。例如： 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

4、冰淇淋。 The problem was that it was too valuable for everyday use.問題是它作為 日常之用太貴重了。 What she couldn 't understand was that fewer and fewer students showed interest in her lessons.我們不能理解越來越少的學生對他的課不感興趣。派由關系代詞引導的表語從句。關系代詞 who, what, which, whom, whose, whatever, whoever, whomever, whichever 等引導表語從句，在句

5、中作主語、賓語、表語，關系代詞不能省略。例如： The question is which of us should go.問題是我們哪一個應該去。 The problem was who could do the work.問題是誰能做這項工作。 That's what he is worrying about.那就是他在擔心的事。 That's what we should do.那是我們應該做的。由關系副詞引導的表語從句。關系副詞when, where, how, why除在句子起連接作用外，在從句中還充當時間，地點，方式或原因狀語，本身具有詞義。例如： Go and g

6、et your coat. It's 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. That's 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 mice 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.那就是他所擔心的。派 由連詞because , as if/as thoug

7、h等引導的表語從句。 It looked as if it was going to snow.看起來好像要下雪了。 That's because we never thought of it.這是因為我們從未想過此事。 It seems as if he didn't know the answer.好像他不知道答案。在思A.表語從句一定要用陳述語序。False: The question is when can he arrive at the hotel.Right: The question is when he can arrive at the hotel.B.不可

8、以用if ,而用whether連接表語從句（as if 例外）。引導賓語從句時可以互換if/whether位于介詞后要用 whether位于句首時要用 whether。引導表語從句，主語從句，同位語從句時要用whether。False: The question is if the enemy is marching towards us.Right: The question is whether the enemy is marching towards us.Right: It looked as if he had understood this question.C.不像賓語從句，在

9、有表語從句的復合句中，主句時態和從句時態可以不一致。Right: The question is who will travel with me to Beijing tomorrow.Right: The question is why he cried yesterday.D. that在表語從句中不可以省掉?；居梅ū碚Z從句只能置于主句之后，而主句的動詞只能是聯系動詞。名詞性從句在be等系動詞后作表語時被稱為表語從句例如： The problem is how we can get the things we need.問題是我們怎樣能弄到我們需要的東西。（how在表語從句中充當方式狀語

10、） The scissors are not what I need.這把剪刀不是我所需要的。（what在表語從句中充當賓語）_O2歡迎下載精品文檔 What I told him was that I would find him a good play.我告訴他的是我會給他找個好劇本。（what在主語從句中作直接賓語，that作為表語從句的引導詞在該表語從句中不充當句子成分，不能省略 ） That is what I want to tell you.那就是我想要對你講的。（what在表語從句中充當直接賓語） That is why she failed to pass the exam.

11、那就是她考試不及格的原因。（why在表語從句中充當原因狀語）表語測試1. The question is we will have our sports meet next week.A. that B. if C. when D. whether2. The reason why he failed is he was too careless.A. 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. whe

12、re there4. The 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. 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

13、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. 一 I fell sick!-I think it is you are doing too much.A. why B. when C. what D. because10. The reason why he hasnA. because his mother is illC. that his mother is ill11. He was born here.t

14、come is.8. because of his motherD. for his mother is ills being ill-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. where C. that D. why13. your father wants to know is getting on with your studies.A. What; how are youB. That; how you areC. How

15、; that you areD. What; how you are14. The trouble is we are short of tools.A. what B. that C. how D. why that15. America was was first calledIndia " by Columbus.A. what B. where C. the place D. there where16. China is becoming stronger and stronger. It is no longerA. what it used to be B. what

16、it was used to beingC. what it used to being D. what it was used to be17. he really means is he disagrees with us.A. What thatB. ThatwhatC. What whatD. Thatwhat18. The energy is makes the cells able to do their work.A. that B. which C. what D. such19. I drove to Zhuhai for the air show last week. Is

17、 that you had a few days off ?A. why B .what C. when D. where20. .I had neither a raincoat nor an umbrella I got wet through.A. It 's the reason B. That 's why C. There 's why D. It's how21. See the flags on top of the building? That was we did this morning.A. when B. which C. where D. what22. - Are you still thinking about yesterdays game?-Oh, that's.C. how I feel about itD. when I feel excitedA. what makes me feel