现在完成时就是指:过去发生或已经发生的动作对现在造成的影响或结果。其基本构成是:have/has+done;过去完成时是指:在过去某个特定时间点或动作之前就发生的行为,即过去的过去。其基本构...
七. 将来完成时:表示将来某个时间之前将要完成的动作或状态。 比如:Tomorrow morning, I will have cleaned the windows. [动作] 八. 过去将来完成时:表示在过去的某个时间之前应该完成...
could have done "本来可以……"(表示过去没有实现的可能)。 might have done"本来可能……;本来应该或可以做某事"(实际没有发生;含有轻微的责备语气。 should/ought to have done "本来该做某事"(而实际未做) should not/ought not to have done "本来不该做"(实际却...
“This should have been done earlier. Children nowadayslack adequate physicalactivitiesand canbarely distinguishwheatfromrice crops. Their proficiency (熟练) in life skills...
例1:He was the very person I should have been wished to see. 例2:It’s (high) time that we went to class. 8.用以表示说话人的主观愿望或选择,仅用在一些惯用句型的从句中 例1:I’d rather they came tomorrow. 例2:He’d rather I went to Fuzhou by sea...
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