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1、非谓语动词做表语做表语用的非谓语动词有：不定式(to do)，动名词(doing)，和分 词(done，doing)不定式做表语1. Her wish was to become an artist.她的愿望是成为一位艺术 家。2. The most important thing is to put the ory into practice.最 重要的是要把理论应用到实践。3.Our aim is to help them ，not to teach them a lesson.我们 的目的是帮助他们，而不是教训他们。总结：不定式做表语表示主语的具体内容，如例1；表示将来的动作，如例2；表
2、示目的，如例3。因此，在表示“目的，愿望，梦想， 需求”等名词做主语时其表语应该用不定式.4. What he did was_(wait)答案：wait 或是 to wait分析：当主语部分含do这个实义词，表语所说的是do的具体内 容，这时表语部分的动词用to do或do的形式。例如：All that he could do was(to) comfort her.他所能做的一 切就是安慰她。动名词做表语1. My job is teaching.(Teaching is my job.)2.See ing is believ ing.百闻不如一见。总结：动名词做表语，表示抽象概念。动名词
3、做表语一般用来表示“身份，职业”等.大部分时候主语与表语可以互换，如例 1。此外， 还要注意主语与表语的一致性，如例2。例2还可以说成：To see is to believe.比较一般来说，表示比较抽象的一般行为时多用动名词做表语 ; 表示具体某次动作，特别是将来的动作时，多用不定式.例如：Their job is building houses.他们的工作是盖房子.Our task now is to develop our econ omy.我们的任务是发展经济.有时两者都可以用，没有什么差别.例如：What she likes is watching the children play
4、.(二What she likes is to watch the children play.)也喜欢的是看孩子们玩分词做表语首先做一些练习1. The situation is(encourage).2. The door remained(lock)when he came again.答案：1.e ncouragi ng 2o cked总纟吉:surprise , interest , excite , puzzle , disappoint , astonish，encourage，inspire，shock，move 等及物动词用做表 语时，要看其与主语的关系。如果与主语为主动关系
5、，则用-ing形式， 表示主语的特征。如果是被动关系，用-done这种形式，表示主语的 状态。如：The news astonished us.这句话就表明了 the news 与 astonish为主动关系。astonish与us为被动关系。那么就可以直接得 出以下两个句子：1) The news was astonishing.2) We were astonished(by the news).练习：3.She looked(disappoint).4. The news is quite_(astonish).答案：3.disappo in ted 4.ast on ishi ng有时
6、候动词的过去分词作用在be动词之后，并非是被动语态，而 是做表语表示事物存在的状态。如：5. The bottles are broke n杯子都破了。选择最佳答案：1.The speech was so that they were all.A.inspiring;exciting B.inspiring;excited C.inspired;excite D.inspired;exciting2. Her wish is _an engineer.A.becoming B.become C.to become D.being come3.Some peoples greatest plea
7、sure is.A.fishing B.to fish C.to be fishing D.being fish4.The report was sothat they were all.A.inspiring ， exciting B.inspiring ， excited C.inspired ， excited D.inspired，exciting5. -“You look pale.”-“I feel a little.”A.tire B.tired C.tiring D.tiresome6. As we joined the big crowd I got from myfrien
8、ds.A.separated B.spared C.lost D.missed7. Her son，to whom she was so，went abroad ten yearsago.A.loved B.cared C.devoted D.affected8.It is believed that if a book is ， it willsurelythe readers.A.interested;interest B.interesting; beinterested C.interested; beinteresting D.interesting;interest9.From hisexpression，we could see he was.A.puzzled;puzzling B.puzzled;puzzled C.puzzling;puzzling D.puzzling;puzzled10. All that I did all the morning wasthe meal.A.prepare B.preparing C.prepared D.to have prepared Keys：BCABBACDBA
