Maybe you noticed this structure is called the causative.

也许你注意到个结构被称为役。

No causative studies has ever shown artificial sweeteners causing weight gain.

没有任何研究表明人造甜味剂会导致体。

In this lesson, we're looking at causative verbs.

本节课，我们要学习役动词。

There are more than 10 causative verbs in English.

英语中有 10 多个役动词。

Let's look at another causative verb — have.

我们来看看另一个役动词 have。

When we want to talk about that, we use causative verbs.

当我们想个问题时，我们用役动词。

Right, let's get started with the causative verbs.

好的，我们开始讲解役动词。

The causative verb or the other verb?

役动词还是另一个动词？

However, in about 40% to 25% of the cases the causative genes are still unknown.

但是，有40％至25％病例的致病基因仍然未知。

It's the causative verb that takes the tense.

用时态的是役动词。

It's about the causative verbs 'have' and 'get'.

内容关于役动词 have 和 get。

We are going to be talking about causative verbs, in particular, have, make, get, help and let.

我们将讨释义动词，特别是 have，make，get，help 和 let。

As I said before, we're looking at five verbs that we use with causative structures.

就像我之前说的那样，我们要学习五个用役结构的动词。

Now there are two ways that we can use have as a causative verb.

我们用 have 作为役动词有两种方式。

Now you know the meanings of the three most common causative verbs.

现在你知道了三个最常见的役动词的意思了。

Some are in the causative structure; some are not in the causative structure.

有些在役结构中；有些不在役结构中。

Again you only need to conjugate the causative verb.

同样地，你只需要改变役动词的形式。

Last week we looked at the meanings of three common causative verbs.

上周我们学习了三个常见役动词的意思。

And finally, we have the causative verb " help" .

最后，我们有因果动词“ 帮助” .

First of all, " What is the causative" , you're wondering?

首先，“原因是什么”，您想知道吗？