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(4) 某些使役动词（let, make, have）及感官动词（see, watch, hear, notice, observe, feel, look at, listen to等）后面作宾语补足语的不定式一定要省去 to, 但在被动语态中须将to 复原。 I saw the boy fall from the tree. The boy was seen to fall from the tree. The boss made us work 12 hours a day. We were made to work 12 hours a day. (5) 主语从句中有动词do,后面作表语的不定式的 to可带可不带。 All we can do now is (to) wait. (6) find 当“发现”讲时，后面作宾语补足语的不定式符号to可带可不带。 We found him (to) work very hard at the experiment. 但如果是不定式 to be，则不能省略。 She found him to be dishonest. 4、连词if在部分虚拟条件句中可省略，但后面的语序有变化。 Had they time, they would certainly come and help us. (2) Were I you, I would do the work better. (3）Should there be a flood, what should we do? 5、主句和从句各有一些成分省略。 The sooner (you do it), the better (it will be). ●难点磁场 1.(★★★★)John plays football________,if not better than,David. A.as well B.as well as C.so well D.so well as 2.(★★★★★)If you go to Xi’an ,you’ll find the places there more magnificent than commonly________. A.supposing B.supposed C.to suppose D.suppose 3.(★★★★)—What do you think made Mary so upset? —________ her bicycle. A.As she lost B.Lost C.Losing D.Because of losing 4.(★★★★★)I thought her nice and honest________ I met her. A.first time B.for the first time C.the first time D.by the first time 5.(★★★★)Boris has brains.In fact,I doubt whether anyone in the class has________IQ. (NMET 2002) A.a high B.a higher C.the higher D.the highest (责任编辑：admin) |