could have done "本来可以做某事实际却没做”或“可能已经做了某事” might have done "或许已经做了某事“ should/ought to have done "本来该做某事而实际未做” should not/ought n...
So I would also sayit's premature to discuss pausing. It'snot something that we're thinking about. That's reallynot a conversation to be had now. Wehave a ways to go. The l...
注意:如果不定式中含有be, have,或have been,一般要保留be, have或have been。 -Are you on holiday?你放假了吗? -No, but I’d like to be (on holiday).没有。不过我真愿意。 -She hasn’t done it yet.她还没有做。 -She ought to (have done it).她该做。 2、so ...
It was not until she took off her dark glasses that I realized she was a film star. 6. get sb doing 让—开始做—have sb doing 让—一直做— get sb to do have sb do get sth done have sth done can you get the machine running?
A. studied B. studying C. to have studied D. to be studying 11) As the light turned green, I stood for a moment, not ___, and asked myself what I was going to do. A. moved B. moving C. to move D. being moved 3.
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