Make a sentence using the present progressive form of the verb “dust.”

用动词“dust”的现在进行式造句。

So, a building, it's already been built, so why is it in the present continuous or the present progressive?

一栋建筑，已经建造好了，为什么要用现在进行时呢？

It is helping the verb " watch" along with the present participle ending –ing to become the present progressive tense.

它辅助动词“watch”和现在分词结尾“-ing”一起构成现在进行时。

It is helping the verb " watch" along with the present participle ending -ing to become the present progressive tense.

它帮助动词watch和现在分词结尾-ing一起构成现在进行时。

Make a sentence using the present progressive form of the verb " dust." Be sure to use the object, " the bookshelf."

用动词“dust”的现在进行时造句。一定要使用宾语“the bookshelf”。

So we call this the present progressive.

所以我们称其为现在进行时。

The present continuous also has another name, which is " present progressive" .

现在进行时还有另一个名字，就是“现在进行时”。

In the example, we have the subject, " I, " the present progressive form " am cleaning, " and the object, " my house."

在这个例子中，我们有主语“I”，现在进行时形式“am cleaning”，宾语是“my house”。

You can even write present progressive or present perfect progressive in our comments.

您甚至可以在我们的评论中写下现在进行式或现在完成进行式。

We use the present progressive to express the idea that it is going on right now.

我们使用现在进行时来表达现在正在进行的想法。

So, if you have a progressive sentence, we have present progressive, past progressive, and future progressive.

所以，如果你有一个进行式句子，我们有现在进行式、过去进行式和将来进行式。

So this is how we use the present perfect progressive.

所以这就是我们使用现在完成时的方式。

So, this could also be called present perfect progressive. And this one can also be called past perfect progressive.

所以，这也可以称为现在完成进行时。而这个也可以称为过去完成时进行式。

Okay, so let's look at some examples of the present perfect continuous or present perfect progressive.

好的， 让我们看一些现在完成进行时或现在完成进行时的例子。

I could be wrong, but you could use the present perfect progressive to describe their relationship.

我可能是错的， 但你可以用现在完成时进行时来描述他们的关系。

So, in order to do this, first I'm going to teach you: What is the present perfect progressive?

所以，为了做到这一点， 首先我要教你：什么是现在完成进行时？

What about if we want to ask somebody a question in the present perfect progressive, how would

如果我们想用现在完成时问某人一个问题呢？

" I was eating pizza" was the past, and " I am eating pizza" , something's happening now, that's present progressive.

“我在吃披萨” 是过去，而“我在吃披萨”是现在正在发生的事情， 现在是进步的。

We've done some practice with the present perfect progressive, so how are you going to use this in a conversation this week?

我们已经用现在完成时进行了一些练习，所以你打算如何在本周的对话中使用它？

The main thing that we're using the present perfect progressive for is we're talking about how long, so how long something is happening.

我们使用现在完成进行时的主要目的是谈论事情发生了多长时间，所以持续了多长时间。