past perfect tense 去完成时 ; 过去完成时 ; 现在完成时
The simple past perfect tense 去完成时
Future-in-the-Past Perfect Tense 过去将来完成时 ; 过去将来完成进行时
A Past perfect tense 过去完成时态
past future perfect tense 过去将来完成时 ; 去将来完成时 ; 过去未来完成时
the Past Perfect Tense 过去完成时
Learn the past perfect tense 标
papf past perfect tense 过去完成式
the past future perfect tense 过去将来完成时 ; 将来完成时 ; 去将来完成时
Past Perfect Progressive Tense 去完成进行式 ; 去完成进行时 ; 过去完成进行时
'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。
When you ask about something that started in the past but continues to the present time, you use the Present Perfect tense, e.g.: I’ve been there for 5 years / I’ve been there for 5 years.
当你谈论在过去开始但是一直持续到现在的某事时，用现在完成时态，例如：I’ve been there for 5 years/我在那里已经5年了。
We use the past perfect continuous tense to show that an action started in the past and continued up until another time in the past.
我们用过去完成进行时态来形容一个在过去开始的行动，这个行动持续到过去的另一个时间。
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