题目内容
11.The tree is dead.I think I___________ it more water.( )A. | will give | B. | would have given | ||
C. | must give | D. | should have given |
分析 考查情态动词,句意:这棵树死了,我想我本应多给它浇点水的.
解答 答案:D,should have done本应该做而未做,含有责备、后悔之意,根据树已经死的事实,排除A选项"我将会多给它浇点水"和C选项"我一定多给它浇点水",B选项表达"本来会",用于虚拟语气,表示过去.
点评 needn't+动词完成式表示一种已经做过的但并无必要的行为must+动词完成式表示对过去行为的推断,具有较大的可能性,意为"一定…,想必…".
may和might+动词完成式,此结构用于推测过去的行为.可能性较小.
can't/couldn't have done,表示过去不可能做过.
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