And that's when they're used in relative clauses to introduce adjective clauses.

那就是在形容词性的语从句里面。

So the participle is just a reduced adjective clause.

这个分词就是这个语从句的省略形式。

One kind of dependent clause is the adjective clause. It gives more information about a noun.

语从句是从句的一种，它提供了更多与名词相关的信息。

The last relative pronoun " what" can also be used in relative clauses, but it is different.

最后一个关系代词 “what” 也可以用于语从句中，但是它比较特别。

Defining relative clauses such as these specify which noun we are talking about.

像这些句子就是限性语从句了，限了我们所讨论的名词是哪个。

They use the relative pronouns " who" and " which" .

限性语从句会用到关系代词 “who” 和 “which”。

If it is at the end of the relative clause, the sentence is less formal.

如果它出现在语从句句末，句子就会不那么正式。

So, if you don't know what a relative clause is, that's okay.

所以，如果你不知道什么是语从句，也没关系。

Now what is a defining relative clause?

什么是限性语从句？

So, we have relative clauses in there.

所以，那里有语从句。

And we're talking about defining relative clauses.

我们正在讨论限性语从句。

In this programme, we're talking about relative clauses.

在本期节目中，我们将探讨语从句。

Yes, relative clauses add information about the person or thing that you're talking about.

是的，语从句为所谈论的人或事物添加了信息。

The taxi is a small Swiss airplane called a Pilatus Porter .

分词作语Done 作语。

Dialogue heavily weighted with adverbs after the attributive verb is cluttery and annoying.

语动词后面量使用副词的对话显得杂乱且烦人。

They begin with a pronoun and go after the noun that you want to define.

语从句以代词开头，跟在你想要义的名词之后。

So, let's have a closer look at the grammar of relative clauses.

那么，让我们仔细看看语从句的语法。

Today we're talking about defining relative clauses.

今天我们来讨论限性语从句。

For non-defining clauses, you can't leave out the pronoun.

对于非限性语从句，不能省略关系代词。

Let's start by looking at what relative clauses are, and how we make them.

让我们先看看什么是语从句，以及我们是如何造一个语从句。