We also usually stress the auxiliary verb.

我们通常也会重读助动词。

Can you see those auxiliary verbs?

你能看到助动词吗？

'Do' is the auxiliary verb, or help verb.

“do”是助动词，或帮助动词。

He also didn't stress the auxiliary verbs.

他也没有重读助动词。

Let's first talk about dropping the auxiliary verb.

我们先来谈谈省略助动词。

It's because does is an auxiliary verb.

那是因为does是一个助动词。

So to form the question you need an auxiliary verb.

所以要形成问句，你需要一个助动词。

British English speakers often add the auxiliary verb " do" in short replies.

说英式英语的人经常在简短回答中加入助动词 do。

It's C because it has an auxiliary verb!

是第三句，因为它用了助动词！

It can also be an auxiliary verb, which you use to make negatives and questions.

它也可以是助动词，用它来造疑问句和否定句。

You use the auxiliary verb — 'did' — to add emphasis and contradict the other person.

你使用助动词——“ did” ——来加重强调，并否定另一个人。

They use an auxiliary verb only, but short answers are possible.

它们只用助动词，但是可以简短回答。

And please note that you shouldn't pronounce all the auxiliary verbs clearly, listen to it again.

请注意，不用把所有的助动词都发清楚，再听一遍。

It's really common to hear these contractions when the be verb is the auxiliary verb.

当 be 动词作为助动词的时候，听到缩写形式是非常普遍的。

If you have an auxiliary verb plus not, you can put the words together and contract not to n't.

如果助动词+not，您可以合并放在助动词之後，并缩读n't。

We have the auxiliary verb, have, with our main verb in past participle form.

我们有助动词，have，还有主动词的过去分词形式。

With these questions, we do not invert the auxiliary verb and subject like we do with object questions.

在主语问句里，我们不需要和宾语问句那样子，插入助动词和主语。

They use the auxiliary verbs had and been along with the main verb which is in -ing form.

他们使用助动词“had”和“being”加主动词的“-ing”形式。

So, you use that to mirror if it's an auxiliary verb or a modal verb, okay? How about negatives?

所以，如果它是一个助动词，你可以用那些来对应。那否定呢？

Reported questions do not switch the auxiliary verb and subject like object questions do.

间接疑问句不用像宾语问句那样，交换助动词和主语的位置。