1. 什么是状语？
状语是句子中修饰动词、形容词、副词或整个句子的成分，用于说明动作或者状态的时间、地点、原因、方式、目的等。
例句1：She left early. (early - 时间状语，说明主句动词left 的时间。）
例句2：She stayed because of the rain. (be cause of the rain - 原因状语，说明主句动词stayed 的理由）
状语可以是词，可以是短语，也可以是句子。
2. 状语从句的本质
- 状语从句就是用一个完整的句子来充当状语，实现和简单状语相同的功能。
- 状语从句是至少两个简单句构成的，由复合连词连接构成的。（连词在从句中至关重要）
3. 状语从句有9类
1）时间状语从句 ：表示主句动作发生的时间
- 常用的引导词（复合连词）：when (当...时候) , while(在...期间) , as (当...时，一边...一边） ，before （在...之前)，
after(在...之后）, since（自从)，until/till (直到） ,
as soon as （一...就） , once (一旦），whenever （ 无论何时，每当）
- 例句：He was reading when I entered the room.
As soon as he arrives, I will call you.
2）地点状语从句：表示主句动作发生的地方
- 常用引导词 （复合连词）：where (在...地方）， wherever (无论哪里）
- 例句：Put the book where you found it.
Wherever you go, I will follow you.
3) 原因状语从句 ：说明主句动作的原因
- 常用引导词（复合连词）： because (因为）， since (既然）， as（由于）, now that (既然），for (因为 ）
- 例句：He failed the exam because he didn't study hard.
Since you are busy, I'll come back later.
4) 条件状语从句 ： 表示主句动作发生的条件
- 常用引导词（复合连词) : if （如果），unless (除非）， as long as (只要），provided that (假如），in case (万一),
on condition that （条件是... )
- 例句：You can't succeed unless you work hard.
If it rains tomorrow, we will stay at home.
5) 目的状语从句 ：表示主句动作的目的
- 常用引导词 （复合连词）： so that （以便于），in order that (为了） ， lest (以免，正式用语），for fear that （生怕)
- 例句：He studies hard so that he can pass the exam.
She spoke quietly lest she wake the baby.
6) 结果状语从句：表示主句动作导致的结果
- 常用引导词（复合连词）: so ... that ... (如此... 以至于... ), such...that... (如此...以至于...)
- 例句：He was so tired that he fell asleep immediately.
It was such a beautiful day that we went for a picnic.
7) 让步状语从句 ：表示尽管存在某种情况，主句动作仍然发生
- 常用引导词（复合连词）：although (虽然），though （尽管），even though （即使）， while (虽然，所用于句首），
as (尽管，需倒装), no matter how/what/when... (无论怎么样/什么/何时...)
- 例句：Although it was raining, we went out.
No matter how hard it is, I will try.
8) 方式状语从句：表示主句动作发生的方式
- 常用引导词（复合连词): as (像...一样）， as if/as though （好像）
- 例句：Do it as I told you.
He talks as if he knew everything.
9) 比较状语从句 ：表示主句与从句直接的比较关系
- 常用引导词：than (bi) , as...as（和...一样）， not as/so...as (不如...），less...than... (...不如...)
- 例句：He is taller than I am.
I am not as tall as he is.
光靠文字不能讲解透彻所有的内容，还是要在具体应用中去理解句子，去悟，以下100道题，不仅仅是要选出准确答案，还要能准确翻
译并且能仿写，才能打好扎实的基础。
1．（2024·吉林·中考真题）Bob watches the news every night _________ he wonders what’s going on around the world.
A．although B．because C．unless
2．（2024·甘肃白银·中考真题）Many students lose marks simply ________ they do not read the questions carefully.
A．unless B．so C．before D．because
3．（2024·甘肃临夏·中考真题）Tom didn’t go to bed ________ his mother came back last night.
A．until B．if C．because D．unless
4．（2024·四川遂宁·中考真题）Everything is possible ________ you work hard.
A．as much as B．as soon as C．as long as D．as far as
5．（2024·江苏连云港·中考真题）Our school life is more interesting now _________ we can enjoy ourselves in different clubs.
A．because B．whether C．unless D．although
6．（2024·四川自贡·中考真题）We can’t go swimming ________ our parents are with us.
A．if B．when C．unless
7．（2024·河北·中考真题）Jeff still works hard ________ he has achieved great success.
A．if B．before C．though D．because
8．（2023·湖南湘西·中考真题）Wild animals will be in great danger ________ we protect them together.
A．if B．but C．unless
9．（2023·内蒙古·中考真题）Our teacher asks us to read newspapers every day ________ we can find out what’s going on around the world.
A．so that B．even though C．in order to D．as soon as
10．（2023·甘肃甘南·中考真题）—I wonder if Li Hua ________ to the hospital to receive the vaccination（疫苗接种）.
—I am sure he will if he ________ time.
A．goes; will have B．will go; has C．will go; will have
11．（2023·江苏常州·中考真题）As we live in a rapidly developing world, we will be left behind ________ we keep learning.
A．unless B．if C．after D．though
12．（2023·辽宁大连·中考真题）History is my favorite subject ________ it’s very interesting.
A．if B．though C．when D．because
13．（2023·江苏南通·中考真题）________ you can’t work out the problem, perhaps you need to ask your classmates for help.
A．Unless B．Though C．Since D．Whether
14．（2023·黑龙江哈尔滨·中考真题）For our safety, we must keep away from the tall buildings ________ the wind blows hard.
A．if B．although C．so
15．（2023·湖南益阳·中考真题）—Please give the Chinese book to Linda.
—OK. ________ I see her, I will give it to her.
A．As soon as B．Unless C．Before
16．（2023·江苏徐州·中考真题）Let’s take the simple steps today ________ we will save the world for our grandsons and granddaughters
tomorrow.
A．unless B．until C．so that D．though
17．（2023·四川雅安·中考真题）—Lucy, the Dragon Boat Festival is coming. I want to learn how to make zongzi.
—OK. If my grandma ________ free tomorrow, she will teach us.
A．is B．are C．am D．will be
18．（2023·江苏宿迁·中考真题）Miss Xu goes jogging in Huanghe Park every morning ________ it rains.
A．unless B．till C．since D．as
19．（2023·湖北恩施·中考真题）—Miss Wang, what’s the most important thing ________ we go travelling?
—You should make a plan first.
A．while B．before C．after
20．（2018·重庆·中考真题）It’s hard for us to say goodbye ________ we have so many happy days to remember.
A．so B．because C．although D．until
21．（2024·内蒙古兴安盟·二模）The TV play KuangBiao is ________ educational ________ I want to see it again.
A．too; to B．such; that C．so; that D．as; as
22．（2024·福建三明·三模）—What are you going to do tomorrow?
—I will play soccer ________ my mother lets me go out.
A．if B．before C．until
23．（2024·广西贺州·三模）________ the old man is 80, he still practices hard to keep healthy.
A．Unless B．Because C．Although
24．（2024·福建厦门·三模）— ________ you make a decision, you should take it into action at once.
—Yes, actions speak louder than words.
A．If B．Unless C．But
25．（2024·黑龙江哈尔滨·模拟预测）My friend Kitty made a telephone call to me ________ she arrived in Shanghai yesterday.
A．now that B．so that C．as soon as
26．（2024·北京石景山·二模）David had to stay in the hospital ________ he hurt his head.
A．or B．so C．but D．because
27．（2024·黑龙江哈尔滨·三模）—Excuse me, do you know when Tom ________ tomorrow?
—Sorry, I don’t know the exact time. When he ________ here, I will call you.
A．will arrive; gets B．will arrive; will get C．arrives; will get
28．（2024·北京石景山·二模）If you go to Kunming in winter, you_______ lots of birds from the north of China.
A．see B．saw C．will see D．have seen
29．（2024·广西钦州·二模）He finally finished the work, _______ he spent much more time than others.
A．so B．if C．though
30．（2024·黑龙江哈尔滨·三模）We won’t enter the high school that we have been expecting ________ we keep doing exercises every day.
A．ifB．becauseC．unless