past perfect tense的意思|示意

We use the present perfect tense to talk about things that started in the past and still have some connection with the present.

我们用现在完成时来谈论在过去开始并且仍与现在有联系的事情。

There are three kinds of shapes of the tenses in the Utopia Novels of the later Qing Dynasty: the future past tense, the future perfect tense and the future continuous tense.

晚清的乌托邦小说在时间构形上通常表现为“将来过去时”、“将来完成时”和“将来进行时”等三种不同面相。

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。

We use the present perfect tense to talk about something that happened at an indefinite time in the past.

我们使用现在完成时谈论发生在过去某个不确定的时间的事情。

To grasp the usage of the tenses, including the present, past, future tense and continue, perfect tense.

掌握现在时，过去时， 未来时， 进行时， 完成时的各种用法。

'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。