... Future progressive(将来进行时) Present and past perfect(现在完成时和过去完成时) Future perfect(将来完成时) ...
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present perfect and past simple 目前完善和过去简单的 ; 现在完成时和过去简单 ; 目前和过去简单完美
Present perfect and past 现在完成时与过去完成时
They are used as auxiliaries to the present and past perfect tenses.
它们是用作现在完成时和过去完成时的助动词。
The present and past perfect tenses both belong to the perfect tense.
现在完成时和过去完成时都属于完成时态。
'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
I have eaten是动词eat的现在完成时；I had eaten是过去完成时；I will have eaten是将来完成时。
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