状语从句 Adverbial Clauses B1 · 中级

状语从句在句中充当状语，修饰主句的动作或状态，按功能分为时间、条件、原因、让步等。

一、时间状语从句

连词	含义	示例
when	当…时	When I arrived, he had left.
while	在…期间	While she was reading, I was cooking.
before	在…之前	Finish it before you go.
after	在…之后	After he graduated, he got a job.
as soon as	一…就…	I'll call you as soon as I arrive.
until / not...until	直到…/ 直到…才	Wait here until I come back.

📝

I didn't go to bed until I finished my homework.

我做完作业才睡觉。

💡not...until = 直到…才。主句否定，从句肯定

二、条件状语从句

连词	含义	示例
if	如果	If it rains, we'll stay home.
unless	除非（= if...not）	I won't go unless you come with me.
as long as	只要	You can go as long as you finish your work.
provided (that)	假如；条件是	I'll help you provided that you ask politely.

📝

If you study hard, you will pass the exam.

如果你努力学习，你会通过考试的。

💡条件状语从句用一般现在时表将来（主将从现）

:::warning 主将从现 条件和时间状语从句中，从句不能用 will，要用一般现在时代替将来时。

• ❌ If it will rain tomorrow...
• ✅ If it rains tomorrow... :::

三、原因状语从句

连词	含义	语气强弱
because	因为	最强（回答 why）
since	既然	较弱（已知原因）
as	由于	最弱（顺便提及）

📝

Since everyone is here, let's begin the meeting.

既然大家都到了，我们开始开会吧。

💡since 引导已知原因，语气较弱

四、让步状语从句

连词	含义	示例
although / though	虽然…但是	Although he is young, he is very capable.
even though / even if	即使	Even if it rains, I will go.
no matter what/how	无论…	No matter how hard it is, don't give up.

📝

Although she was tired, she continued working.

虽然她很累，但她继续工作。

💡although 和 but 不能同时使用！用了 although 就不能再加 but

:::warning 常见错误 ❌ Although he is rich, but he is not happy. ✅ Although he is rich, he is not happy. ✅ He is rich, but he is not happy. :::

五、目的状语从句

连词	含义
so that	以便；为了
in order that	为了

📝

She got up early so that she could catch the first bus.

她早起是为了赶上第一班公交车。

💡so that 引导目的从句，从句中常用 can/could/will/would

六、结果状语从句

连词	含义
so...that	如此…以至于
such...that	如此…以至于

📝

He was so tired that he fell asleep immediately.

他太累了以至于立刻就睡着了。

💡so + 形容词/副词 + that

📝

It was such a good movie that I watched it twice.

这部电影太好看了，我看了两遍。

💡such + a/an + 形容词 + 名词 + that

七、实战练习

💡练习题

I'll call you as soon as I _____ there.

💡练习题

_____ he is young, he has a lot of experience.

💡练习题

I won't leave _____ she comes back. (直到)

💡练习题

He spoke so fast _____ nobody could understand him. (以至于)

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