Focus now on the past perfect and the past perfect continuous.

请注意过去完成时和过去完成进行时。

This is the past perfect tense.

这是过去完成时。

There is also the past perfect and past continuous tenses.

还有过去完成时和过去进行时。

What about present perfect to past perfect?

那么现完成时变成过去完成时呢？

And past perfect, I was able to add it in.

然后是过去完成时，我能够加入它。

Did you find some examples of the past perfect tense?

你找到带有过去完成时的句子了吗？

That's an example of the past perfect.

" had departed" 是过去完成时。

For example, present becomes past, and past becomes past perfect.

比如，现时变成过去时，过去时变成过去完成时。

Find sentences with the past perfect tense.

找到带有过去完成时的句子。

How about past perfect? You try this one.

那过去完成时呢？你来写。

With this grammar, you're going to use the past perfect.

有了这个语法，你会使用过去完成时。

It was past perfect and the verb was " had studied."

它是过去完成时，动词是 had studied。

Well, this is the past perfect.

这是过去完成时。

I had never been to, okay, past perfect.

I had never been to，过去完成时。

Today we are reviewing the present perfect and past perfect verb tenses.

今天我们要复习现完成时和过去完成时动词时态。

And everyone should learn past perfect!

而且每个人都应该习过去完成时！

And instead of using past perfect forms he uses past simple forms.

这里，他没有用过去完成时而是用了一般过去时。

We know that that's the past perfect because of the verb form that follows.

我们知道那是过去完成时，因为后面的动词的形式。

Past perfect, we need " had" and a past participle.

过去完成时，我们需要 had 和一个过去分词。

And instead of using past perfect forms he uses past simple forms.

这里，他没有用过去完成时而是用了一般过去时。