表语从句讲解与练习.ppt

表语从句,. 定义： 在复合句中作表语的从句 作用：位于系动词之后，对主语进行解释说明，使主语的内容具体化. 一般结构是“主语+系动词+表语从句” 可以接表语从句的连系动词有be, look, remain, seem等,不作任何成分，可省略,The trouble is that we are short of money. 困难是我们资金短缺。 That is why stone walls are used instead of fences around New England fields. 这就是为什么在新英格兰用石头墙而不用栅栏的原因。 At that time, it seemed as if I couldnt think of the right word anyhow. 当时,我似乎怎么也想不出一个恰当的字眼来。,My opinion is (that) it is getting better and better. The fact is (that) we should depend our future on ourselves,不作任何成分，无意义,The question is whether it is worth doing or not.,不作成分，不能省略 意义： 是否，究竟,疑问代词 what who which whom whose This is what we always worry about. The problem is who will support us. What I mean is which song you like best. 疑问副词 when where why The question is when will complete the work. This is why she doesnt want to see you. This is where he was born.,充当成分 主语，宾语， 表语,充当成分 状语,由连词because，as if/as though等引导的表语从句。 1.as if 引导表语从句，常置于连系动词 look seem sound, be, become 之后 It looked as if it was going to snow. 看起来好像要下雪了。 It seems as if he didnt know the answer. 好像他不知道答案。 2.because 引导表语从句通常只用于 Thats because we never thought of it. 这是因为我们从未想过此事。,This is/was because. That is/was because. It is/was because,注意 表语从句一定要用陈述语序。 False: The question is when can he arrive at the hotel. Right: The question is when he can arrive at the hotel. The question is when will we complete the work. The question is when we will complete the work.,1. The question is _ we will have our sports meet next week. A. that B. if C. when D. whether 2The reason why he failed is _he was too careless. A. because B. that C. for D. because of 3. Go and get your coat. It s _you left it A. where B. there C. there where D. where there 4The problem is _to take the place of Ted A. 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 C. whether D.不填,6. The reason is_ I missed the bus. A. that B. when C. why D. what 7. That is _ _ we were late last time. A. that B. when C. why D. what 8. She looked _ she were ten years younger. A. that B. like C. as D. as though 9.I fell sick! -I think it is _ you are doing too much. A. why 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 ill C. that his mother is ill D. for his mother is ill,11. He was born here. - That is _ he likes the place so much. A. that B. what C. why D. how 12.That is _ Lu Xun once lived. A. what B. where C. that D. why 13_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 are 14. The trouble is_ we are short of t