摘要：复合句（主句 + 从句），下面全面给大家细细分析主语从句一、引导词分类1.① 连接词thatThat the sun rises in the east is a natural law.太阳从东方升起是自然规律。That you apologized is

复合句（主句 + 从句），下面全面给大家细细分析主语从句

一、引导词分类

1.① 连接词 that

That the sun rises in the east is a natural law.

太阳从东方升起是自然规律。

That you apologized is enough.你道歉了就够了。

②.连接词 whether

Whether we’ll go hiking tomorrow depends on the rain.

我们明天是否去徒步取决于天气。

2. 疑问词

①代词类

What he said at the meeting surprised everyone.

他在会上说的话让所有人惊讶。

Which book you choose is up to you.

（你选哪本书由你决定。）

② 副词类

When the project will finish remains unknown.

项目何时完成还不清楚。

How she learned English so fast is a mystery.

她如何快速学会英语是个谜。

二、常见结构形式

1. 直接位于句首

Who will be our new teacher hasn’t been announced yet.

谁将成为我们的新老师尚未公布。

2. 用 it 作形式主语

① It + be + 形容词

It’s obvious that he’s lying.

很明显他在撒谎。

②It + be + 名词短语

It’s a shame that you didn’t join us.

你没加入我们真可惜。

③ It + 不及物动词

It appears that the experime was successful.

实验似乎成功了。

三、主谓一致

Where and when the accident happened is still under investigation.

事故发生的时间和地点仍在调查中。

主句谓语动词用单数 is，而非 are。

四、错题本

①. that 不可省略

(√) That she passed the exam made her parents proud.

(X)She passed the exam made her parents proud.

2. whether vs. if

(√)Whether they’ll support us matters a lot.

(x)If they’ll support us matters a lot.

3. 从句语序

(√)How he solved the problem is impressive.

(x)How did he solve the problem is impressive.

来源：昊焱教育