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(2) It is the greatest happiness on earth ______.
A. loving and to be loved
B. to love and being loved
C. to love and to be loved
D. love and be loved
38. 注意:
当主语和表语都是不定式时,不能用形式主语代替动词不定式。
对)To teach is to learn. (错)It is to learn to teach.
(二)动词不定式作表语 不定式作表语可以说明主语的具体动作或表示目的。
39. (1)(表具体动作)That beggar
(乞丐) seems _____ anything yesterday. A. not to have eaten B. not to eat C. didn't eat D. to not have eaten
40.(1)(表目的)His wish is _____ an astronaut(宇航员).
A.to become B. becoming
41.注意:
有些作表语的不定式,在结构上是主动的,但在意义上却是被动的。 She is ______.
她应该受到责备。
A.to blame. B.to be blamed
42.The house is______. 此房出租。
A. to let B to be let
43.The result is____. 结果不久就会看到。
A. not long to see B. not long to be seen
(三) 动词不定式作宾语
不定式可以充当部分及物动词的宾语,也可以充当but和except等介词的宾语以及形容词的宾语。 1.作动词的宾语
必背:
只能用接不定式作宾语的动词有:
44.afford负担得起,常与can (could )/ be able to 连用,如:
(1)I can(am able to) afford____ a car
买得起一辆车
A.to buy B.buying
45.常用在否定句或疑问句..如: (1)can't(am not able to) afford ____ a car
买不起一辆车
A.to buy B.buying
46.happen 碰巧
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