So you would respond using the present perfect or the present perfect continuous.

所以你用在完成或在完成进行来回答。

Today we are looking at the present perfect, and the present perfect continuous.

今天，我们要学习在完成在完成进行。

The present perfect continuous has a use that is the same as the present perfect simple.

在完成进行有个用法，这个用法在完成是一样的。

Those are the differences between the present perfect and the present perfect continuous.

这些是在完成在完成进行之间的差异。

Ambush is always preferable when the terrain presents perfect color.

周边环境理想，狮子更喜欢打伏击战。

The present perfect simple and continuous tenses.

在完成在完成进行。

I've used the present perfect tense here.

我在这里用了在完成。

And again, I've got your present perfect here.

同样地，这里我使用了在完成。

We've got the present perfect continuous.

我们看到了在完成进行。

Probably here, we would use the present perfect, right?

大概在这里，我们用在完成。

Please make a sentence using the present perfect tense.

请以在完成式的态造句。

Or when asked in the present perfect, " Have you ever forgotten an important number? " Immediately, present perfect.

或者遇到用在完成提出的问题：“你曾经忘记过一个重要的数字吗？”立即，用在完成回答。

Don't confuse this structure with the present perfect.

不要把这个结构在完成混淆。

If the question is being asked in present perfect, then definitely use present perfect in your answer.

如果问题是用在完成问的，那么一定要在回答中使用在完成。

Okay, there has been, present perfect.

There has been，在完成。

Answer this conditional and this present perfect question.

回答这个条件问句这个在完成问句。

The present perfect is often associated with a number of adverbs.

在完成经常很多副词连用。

" How long" is often used with the present perfect verb tense.

" How long" 经常用于在完成。

And so I have a lot of present perfect here.

所以我在这里使用了很多在完成。

I've got another present perfect sentence.

还有另一个在完成句。