The present perfect simple and continuous tenses.

现在和现在进行。

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

，们要学习现在和现在进行。

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

现在经常和很多副词连用。

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

这些是现在和现在进行之间的差异。

I've used the present perfect tense here.

在这里用了现在。

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

大概在这里，们会用现在。

Don't confuse this structure with the present perfect.

不要把这个结构和现在混淆。

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

同样地，这里使用了现在。

However, sometimes the present perfect continuous cannot be used but the present perfect simple can.

但是，有现在进行不可以使用，但现在可以。

Okay, there has been, present perfect.

There has been，现在。

And so I have a lot of present perfect here.

所以在这里使用了很多现在。

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

" How long" 经常用于现在。

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

所以你会用现在或现在进行来回答。

These examples show you general ways in which the present perfect is used today.

这些例子向你展示了现在的一般用法。

Use the present perfect and it'll indicate the action is still going on.

要使用现在，它会表示动作仍在进行。

And we could also use the continuous form of the present perfect here.

们还可以在这里使用现在的进行。

This example shows you a general way in which the present perfect is used.

这个例子向你展示了现在的一般用法。

But the present perfect had different uses in the past.

但是现在在过去有不同的用法。

Answer this conditional and this present perfect question.

回答这个条件问句和这个现在问句。

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

们要复习现在和过去动词态。