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

它帮助词watch和现词结尾-ing一起构成现进行时。

In part because of the present participle.

部原因是现词。

In a sleeping baby, the word sleeping is a present participle used as an adjective.

a sleeping baby (婴儿）中，sleeping为现词当形容词用。

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

它辅助词“watch”和现词结尾“-ing”一起构成现进行时。

A present participle is a word that is formed from a verb and ends in -ing.

现词是由词构成，以-ing结尾单词。

Did you find the present participle?

你找到现词了吗？

As a reminder, the present participle is a word form that ends in -ing and has specific functions in English.

提醒一下，现词是一种以-ing结尾单词形式，英语中有特定功能。

The present participle can act as a gerund, adjective or part of a verb.

现词可以作为名词、形容词或词一部。

These are examples of the present participle, a word form that ends in -ing and has a specific purpose in a sentence.

这些都是现词例子，现词以-ing结尾，句子中有特定用途。

Use of the present participle " talking" here suggests the speaker only heard part of what was said.

现词“talking”使用这里表示说话者只听到了说话内容一部。

You do not need to learn them all to understand the present participle.

你不需要为了理解现词而把它们全部学完。

On this Everyday Grammar program, we will talk about three uses for present participles.

今天《每日语法》课程中，我们将讨论现词三种用法。

The speaker used the verb " burn" in its present participle form, " burning."

说话者使用了词“burn”现词形式“burning”。

This headline has two present participles in it.

这个标题中有两个现词。

You need to finish either present participle or the infinitive here.

你需要这里完成现词或不定式。

Then we have a linking verb, is, and reigning is a present participle.

然后我们有一个系词“是”，而“reigning”是一个现词。

Present participles also can serve as what are called " gerunds" (gerunds).

现词也可以充当所谓“名词”（名词）。

Subject I, you, he, etc. plus had been plus the present participle, the verb ing.

主语（我、你、他等）加上had been再加上现词（词+ing）。

And you know the gerund has three uses: It's either a present participle -- working, talking, singing; an adjective -- a climbing tree or a swimming pool; or just a noun -- cooking.

你知道名词有三种用途：它要么是现词——工作、谈话、唱歌；形容词——一棵攀爬树或一个游泳池； 或者只是一个名词——烹饪。

Now, we form the present perfect continuous with the subject plus have or has and the present participle of the main verb.

现，我们用主语加上助词“have”或“has”以及主要词现词来构成现完成进行时。