过去完成时

1
Past Perfect Tense
... (1)过去将来时由“助动词would+动词圆形”构成。would常缩略为‘d。 3.过去完成时(The Past Perfect Tense) 4.动词不定式(The Ivnfinitive) ...
2
had been done
... was/were done 一般过去时 had been done 过去完成时 was/were being done 过去进行时 ...
3
Plusquamperfekt
Plusquamperfekt (vollendete Vergangenheit) 过去完成时 Futur I (unvollendete Zukunft) 第一将来时 ..
4
present perfect tense
... 现在完成时 past perfect tense 过去完成时 present perfect tense 将来完成时 future perfect tense ...

短语

1
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。
'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.
《牛津词典》
2
我们应该用过去完成时说“已经醒来”，但是“醒过来”更好，彼得总是说“醒过来”。
We ought to use the pluperfect and say wakened, but woke is better and was always used by Peter.
3
医生问他吃了什么。过去完成时的构成。
The doctor asked what he had been eating.

过去完成时
过去完成时(The Past Perfect Tense)：表示过去某一时间或动作以前已经发生或完成了的动作，对过去的某一点造成的某种影响或是结果，用来指在另一个过去行动之前就已经完成了的事件。在英语时态中，“时“指动作发生的时间，”态“指动作的样子和状态。它表示动作发生的时间是“过去的过去”，侧重事情的结果。

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