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

它帮助词watch和词结尾-ing一起构成行时。

In part because of the present participle.

部原因是词。

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

a sleeping baby (熟睡的婴儿）中，sleeping为词当形容词用。

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

它辅助词“watch”和词结尾“-ing”一起构成行时。

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

词是由词构成的，以-ing结尾的单词。

Did you find the present participle?

你找到词吗？

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

提醒一下，词是一种以-ing结尾的单词形式，英语中有特定的功能。

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

词可以作为名词、形容词或词的一部。

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

这些都是词的例子，词以-ing结尾，句子中有特定的用途。

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

词“talking”的使用这里表示说话者只听到说话内容的一部。

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

你不需要为理解词而把它们全部学完。

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

今天的《每日语法》课程中，我们将讨论词的三种用法。

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

说话者使用词“burn”的词形式“burning”。

This headline has two present participles in it.

这个标题中有两个词。

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

你需要这里完成词或不定式。

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”是一个词。

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

词也可以充当所谓的“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：它要么是词——工作、谈话、唱歌；形容词——一棵攀爬的树或一个游泳池； 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.

，我们用主语加上助词“have”或“has”以及主要词的词来构成完成行时。