八过去完成时态：发生在过去的过去。

He has gone to Beijing. They have gone to the cinema.

youdao

学习使用过去完成时态。

Learn to express something with Past Perfect Tense.

youdao

“我过去已经完成了”是过去完成时态的一个例句。

Ihad finished 'is an example of the past perfect.

youdao

现在完成时和过去完成时都属于完成时态。

The present and past perfect tenses both belong to the perfect tense.

youdao

现在完成时和过去完成时都属于完成时态。

The present and past perfect tenses both belong to the perfect tense.

youdao