Predicative Clause表语从句试一试：找出下列句中的表语He is a teacher.The girl looks beautiful.I often stay at home on weekends.My dream is to be a teacher.The story is interesting.The question is whether they will come.思考：1）什么是表语？2）表语可以由哪些词类充当？3）表语的位置？连系动词有哪些？1．be动词、2．表示持续的系动词3．感官动词4．表示变化的系动词5．表终止的系动词补充：一些系动词的固定搭配:come true, fall asleep, fall ill, go bad, come right, run wild注意：连系动词通常不用于被动语态和进行时态中。
一：定义：比较与发现：The problem is puzzling.The problem is when we can get a pay rise.发现：表语从句就是______________作表语。
一般结构是________________________________________ 二：划出每句中的表语从句及引导词，并分析引导词在从句中所充当的成分，然后加以总结。
(1).My hometown is no longer what she used to be.(2).The boy has remained where you stood this morning for an hour.(3).The truth is that everyone should take care of disabled people, not just the government.(4).The question is whether your uncle will offer help to us.(5).The question is who did it yesterday.(6).Bruce did not watch the game last night. That was because he had to help his little sister with her homework.(7).He had seen the film before. That was why he did not see it last night.(8).My suggestion is that we should offer help to him..(9).My suggestion is when they will start the project.(10). The reason why he was absent from work was that he was seriously ill.【总结】：★可接表语从句的词除系动词______外，还有appear, become, look, get, grow, remain, seem, sound, turn等连系动词。
★表语从句一定要用______语序。
★在advice, suggestion, order, proposal等表示建议、劝告、命令含义的名词后的表语从句中，谓语需用“______+动词原形”，______可省略，如第8句。
充当句子成分，如第3句和第8句。
______则表示“所……的（人或事）”，在表语从句中充当主语或宾语等，如第1句。
★if不可引导表语从句，但______可引导表语从句（as if也可引导也可表语从句）如第4句That is because…指原因或理由：That is______...则指由某种原因所造成的后果，但是在表语从句中，当reason作主语时，表语从句的引导词只能用______，不能用because如第6句、第7句和第10句。
★连接代词who，whom, whose, what, which, whoever, whatever, whichever和连词副词where，when，how，why也可以引导表语从句，如第1句、第2句，第5句、第7句和第9句。
※引导词连接词：that / whether /as if /as though (if不引导表语从句)连接代词：who / whom / whose / which / what连接副词：when / where / why / how / because练习：1. The question is ________ we will have our sports meet next week.A. thatB. ifC. whenD. whether2．The reason why he failed is ________he was too careless.A. becauseB. thatC. forD. because of3. Go and get your coat. It’s ________you left itA. whereB. thereC. there whereD. where there4．The problem is _________to take the place of TedA. who can we getB. what we can getC. who we can getD. that we can get5. What I want to know is ______ he likes the gift given by us.A. thatB. ifC. whetherD.不填6. The reason is_________ I missed the bus.A. thatB. whenC. whyD. what7. That is _________ we were late last time.A. thatB. whenC. whyD. what8. She looked _________ she were ten years younger.A. thatB. likeC. asD. as though9.—I fell sick!--I think it is _______ you are doing too much.A. whyB. whenC. whatD. because10. The reason why he hasn’t come is ___________.A. because his mother is illB. because of his mother’s being illC. that his mother is illD. for his mother is ill11. —He was born here.-- That is _______ he likes the place so much.A. thatB. whatC. whyD. how12.That is ______ Lu Xun once lived.A. whatB. whereC. thatD. why13．_______your father wants to know is________ getting on with your studies.A. What; how are youB. That；how you areC. How；that you areD. What；how you are14. The trouble is__________ we are short of tools.A. whatB. thatC. howD. why thatA. whatB. whereC. the placeD. there where16. China is becoming stronger and stronger. It is no longer_________ .A. what it used to beB. what it was used to beingC. what it used to beingD. what it was used to be17. ________he really means is ________he disagrees with us.A. What … thatB. That …whatC. What … whatD. That … what18. The energy is ________ makes the cells able to do their work.A. thatB. whichC. whatD. such19 —I drove to Zhuhai for the air show last week.—Is 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 reasonB. That’s whyC. There’s whyD. It’s how21. See the flags on top of the building? That was ______ we did this morning.A. whenB. whichC. whereD. what22. --- Are you still thinking about yesterday’s game?---Oh, that’s _____.A. what makes me feel excitedB. whatever I feel excited aboutC. how I feel about itD. when I feel excited23. What surprised me was not what he said but ______ he said it.A. the wayB. in the way thatC. in the wayD. the way which夯实基础知识1.表语从句一定要____________语序。
2.不可以用if，而用whether 连接表语从句(as if 例外）。