to hAvE BEEn DonE

(不定式短语to hear the news作形容词happy的修饰语。)时态/语态 主动语态 被动语态 一般时 to do to be done 进行时 to be doing 完成时 to have done,to have been done 完成进行时 to have been doing

2 has /have been done现在完成时 All the preparations for the task have been completed, and we're ready to start. 3 am/is /are being done现在进行时 A new cinema is being built here. 4 was/were done一般过去时

shall+have+过去分词用于第一人称,will+have+过去分词可用于所有人称。将来完成时:will have done 被动语态:will have been done 其中,have been done为整个的V原 实例 a. 状态完成:表示某事继续到将来某一时为止一直有的状态。并

现在完成时的被动语态的肯定式为:have/ has +been +done。如: The experiment has been done successfully. 这个实验做得很成功。 现在完成时的被动语态的否定式为:have/ has +not +been +done。如:

10.过去完成时(had done)11.将来完成时(will/shall have done)12.过去将来完成时(would/should have done)13.现在完成进行时(have/has been doing)14.过去完成进行时(had been doing)15.将来完成进行时(will/shall have been

I would not have done it that way.我是不会那么做的。(可能暗含if I were you) I was busy that day. Otherwise I would have come to help you.我那天很忙。否则我会来帮你的。(可能暗含if I hadn’t been so busy.

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不定式短语
被动语态
完成时态
现在完成时(英语术语)
动词时态
虚拟语气
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