2023年初中英语语法：状语从句大解析
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1地点状语从句
where，wherever
Generally, air will be heavily polluted where there are factories.
一般来讲，在有工厂的地方，空气会受到严重污染。
2时间状语从句
⑴ 当......的时候：when, as, while
I fell asleep when/as/while he was doing his exercises .
他正作练习时我睡着了。
When he arrived in Shanghai , his mother met him at the station .
他到上海时，他妈妈到车站接他。
While John was watching TV, his wife was cooking.
当约翰看电视的时候，他的妈妈在做饭。
She always sings as she walks .
她总是一边走一边唱。
注意：when 引导的时间状语从句中的谓语动词可以是持续的也可以是瞬时的;while和as引导的时间状语从句中的谓语动词必须是持续的。
⑵ 一......就......：as soon as, the minute, the moment，the instant，immediately , directly, instantly, no sooner … than..., hardly …when..., scarcely…when...
The children ran away from the orchard(果园) the moment they saw the guard.
孩子们一看到守卫就从果园跑掉了。
No sooner had I arrived home than it began to rain.
我一到家天就开始下雨。
⑶ 直到......till,until, not...until...（直到......才......，not翻译成“才”）
I didn’t realize how special my mother was until I became an adult.
直到我长大成人，我才意识到我的妈妈是多么特别。
⑷ ......次......的时候：every/each/the last/next/any/the first...time
Every time I listen to your advice, I get into trouble.
每次我听到你的声音，我就会有麻烦。
⑸ once一旦......就......
Once you begin, you must go on.
你一开了头,就应该继续下去.
⑹ before 在......以前
It was not long before he told me about this affair .
不久，他就告诉我这件事。
⑺ after 在......以后
After he had finished the work , he went home .
他干完活，回家了。
⑻ since 自从......以来
We have been friends (ever since) since we met at school.
自从我们在学校相遇以来，我们一直都是朋友。
3. 原因状语从句
⑴ because（因为，与why配套使用）
⑵ since/now that（既然，因为）
Now that everybody has come, let’s begin our conference.
既然大家都来了，让我们开始会议吧。
⑶ as（由于）
⑷ in that（因为）
The higher income tax is harmful in that it may discourage people from trying to earn more.
更高的所得税是有害的，因为那会阻止人们努力赚更多钱。
⑸ seeing that/considering that/given that（考虑到）
Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.
考虑到他仅仅十二岁，他一米八的身高就很引人注意了。
4结果状语从句
so … that..., such … that...，so that(以至于......)
It’s such a good chance that we must not miss it.= It’s sogood a chance that we must not miss it.
这是如此好的一个机会，以至于我们不能错过。
注意：so+形容词/副词，因为so是副词;such+名词，因为such是形容词。
5. 目的状语从句
so that(以便), in order that（为了） ,in case（以防）, in the hope that（希望能......）, for the purpose that（目的是......）
The boss asked the secretary to hurry up with the letters so that he could sign them.
老板让秘书快点处理信件，以便他能够签字。
The teacher raised his voice on purpose that the students in the back could hear more clearly.
老师提高声音，目的是后面的同学能够听得更清楚。
6. 条件状语从句
if,,unless（除非，=if...not...），
as。soon as(一...就...)
as/so long as（只要）
7. 让步状语从句
whether(是否)
Whether you believe or not, he is a villain.
无论你相信与否，他都是一个小人。
8. 比较状语从句
as, than
The house is three times as big as ours.
这所房子是我们房子的三倍大。
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