一般现在时：am/is/are/do/does/have/has一般现在进行时：am/is/are +doing have/has been doing一般过去时：was were had did would过去进行时：was/were doing had been doing一般将来时：will shall be about to ...
英语中的全部时态完整的（要英语的）,如was.to be ,has/have been done
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