—DidMaxgototheconcertwithhisfamilyyesterday?—Thereports...
问题详情:
—Did Max go to the concert with his family yesterday?
—The report scheduled to be handed in tomorrow, he _______ it.
A.couldn’t have attended B.needn’t have attended
C.wouldn’t attend D.shouldn’t attend
【回答】
A
【解析】
考查情态动词表推测。句意:——Max昨天和他的家人去听音乐会了吗?——这份报告定于明天提交,他不可能已经参加。couldn’t have done表示对过去事情有把握的否定推测,意为“不可能已经做了某事”,故选A。
【点睛】
情态动词+ have done结构:
1. “must + have + 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句。如:It must have rained last night, for the ground is wet.
2. “can / could + have + 过去分词”表示对过去某种情况的怀疑或不确定,can和could一般用于否定句和疑问句,could的语气较can弱。如:He can't have finished the work so soon.
3. “may / might + have + 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点。这种结构主要用于肯定句和否定句,疑问句改用can或could。如:They may not have known it beforehand.
4. “need + have + 过去分词”表示过去做了不必做或不需要做的事情,或过去做某事纯属多余。如:I needn't have bought so much wine—only five people came.
5. “should / ought to + have + 过去分词”表示过去本该做某事但没做,其否定式表示过去不该做某事但做了,这种句式含有不满或责备之意,ought to的语气比should强一些。如:
You ought to / should have studied harder. 你本应该更努力学习的。(但没有)
He oughtn't to / shouldn't have done that. 他本来就不该做那件事。(可是做了)
6. “would + have + 过去分词”表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不像用should或ought to那样含有责备之意。如:
I guess the poet would have been about twenty when she wrote her first poem.
Another worker wouldn't have acted like that.
知识点:虚拟语气与情态动词
题型:选择题
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