否定形式:can't / couldn’t have done 例:She must have come here last night. She can't have gone there 6. may have done sth可能做过某事 否定形式:may not have done 例:Philip may have been hurt seriously in the car accident. 7.might have done sth 或许...
或许,可能 英语释义:used to show that something is possible or that you are not certain about something 多用于英式口语,与maybe同义。可用于句末、句中、句首。 He hasn't writte...
finish 最常用,后接动词的-ing形式,表示在一个活动的连续过程中完成了最后的一步或阶段。如:I’ll finish the job alone. (我要独自完成这项工作。) achieve 完成,实现,强调通过努力而...
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