不定式可以代替的从句.ppt

* 不定式可以代替哪些从句 ⒈ 代替主语从句 ① What we shall do next is unknown. = What to do next is unknown. ② It was a pity that she refused to obey the doctor. = it was a pity for her to refuse to obey the doctor. ③ It is said that he is the best doctor in the hospital. = he is said to be the best doctor in the hospital. ⒉ 代替宾语从句 ① I wonder whether we shall go to the concert. = I wonder whether to go to the concert. ② The captain ordered that they should set out before dawn. = The captain ordered them to set out before dawn. ③ We are thinking of how we should improve the quality. = We are thinking of how to improve the quality. 3. 代替表语从句 ① Her question is when we shall hold the next meeting. = Her question is when to hold the next meeting. ② His idea is that he should put off the meeting till next Tuesday. = His idea is to put off the meeting till next Tuesday. ③ It seems that she has said so. = She seems to have said so. ⒋ 代替定语从句 ① There is nothing that one should be worried about. = There is nothing to be worried about. ② She needs some people who can help her finish her work. = She needs some people to help finish her work. ⒌ 代替状语从句 ① I am glad that I have seen the film. = I am glad to have seen the film. *