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。

Use present perfect progressive tense in one conversation this week.

本周在一次对话中使用现在完成进行时。

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。

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。

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？

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？

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？

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。

Plus, if they have been researching possible sightings of the creature, it's something they've been doing for a while and are still doing now, making it present perfect progressive.

再难点，如果他们一直在研究生物的目击证据，表明他们已经做了一阵并且仍在做的事情，" have been researching" 是现在完成进行时。

Okay, so we've looked at some examples of the present perfect progressive, and let's think a little bit more about the meaning.

好的， 我们已经看过现在完成时的一些例子，让我们多想想它的意思。

She does show a broad range of grammar, including present perfect, progressive form, passive form; but there are some cases where she could use some more complex grammar to add an extra layer of clarity and accuracy to her language.

她的语法的确涉及面很广，包括现在完成时、进行时和被动语态；但在某些情况下，她可以使用一些更复杂的语法来使她的语言更加清晰和准确。