Relative clause, adjective clause, what are we talking about? That sounds confusing!

系从，词从，我们说什么呢？完全听不懂啊！

Learning about relative clauses can help you to connect your ideas in complex sentences.

学习系从可以帮助你复杂的子中将不同想法进行连接。

Relative clauses are another useful topic if you want to improve your sentence grammar.

如果你想提高你的子语法水平的，系从是另一个非常有用的题。

This one, however, we're adding more information in this relative clause here.

然而，我们这个系从中添加了更多的信息。

We discussed relative clauses in an earlier Everyday Grammar story.

我们之前的每日语法已讨论了系从。

We use them in relative clauses too.

我们系从中使用它们。

We use relative clauses to give more information about something we've just mentioned.

我们使用系从来提供于我们刚刚提到的事情的更多信息。

This is where we come to adjective clauses, also called relative clauses.

这就是我们要讲的词从，叫系从。

So for example, I'm living in London which is a beautiful city. Relative clause, two clauses.

I'm living in London which is a beautiful city.系从，两个从。

There is the clauses, so a mixture of subordinate dependent or non dependent clauses, relative clauses.

有从，由从属从或非从、系从混合而成。

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

那就是词性的定语从里面。

A relative pronoun is used to connect a relative clause to the rest of a sentence.

系代词用来连接一个系从和子的其余部分。

The relative clauses here all begin with 'who' or 'whose'.

这里的系从都以 who 或 whose 开头。

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

最后一个系代词 “what” 可以用于定语从中，但是它比较特别。

Now these words are exactly what we're going to talk about today, 'which' or 'that' in relative clauses.

这两个单词就是我们今天要讨论的内啦，系从中的‘which’或‘that’。

Thirdly, don't use relative clauses, with who, which, that, where, etc. , unless it's really necessary.

第三，不要用 who、which、where 等引导系从，除非真的很有必要。

Let's see how those relative clauses work.

让我们看看这些系从中是如何使用 whom 的。

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

像这些子就是限定性定语从了，限定了我们所讨论的名词是哪个。

We use relative clauses to add information about someone we've just mentioned.

我们使用系从来添加我们刚刚提到的人物的信息。

Now, in a relative clause, we can use 'who' or 'whom' for people, and 'which' for things.

现来说一下吧，一个系分里，是人时，用Who，指物时，用Which。