状语从句的定义与功能：在复合句中担任状语成分的从句称为状语从句，修饰主句的谓语动词，形容词或副词。
状语从句的位置:
状语从句同状语一样,在句中的位置比较灵活, 可置于句首,句未,或句中.状语从句位于句首时,常用逗号分开, 状语从句位于句尾时,其前一般不用逗号无题四首
状语从句的分类：
根据意义和用途的不同，状语从句可分为：
1. 时间 2. 原因3. 地点 4. 目的5. 方式
6. 条件7. 结果8. 让步 9. 比较状语从句
条件状语从句
引导条件状语从句的连词有：if, unless, so/as long as(只要)，in ca (如果，万一)，if only
( 要是，只要)，provided/proving (that) (假如)， on condition that (只要)尽心尽力的近义词，相天 suppo/supposing(that)(假定)，assuming that ,once
1 I’ll go there _________ he invites me.
2 _________ I forget, plea remind me about it.( 假使我忘了， 请提醒我)
3 Take an umbrella with you________it rains.（ 带把伞吧， 万一下雨）
4 _________ he has a chance, he will do great things.（只要他有机会，他就能干大事）
5 Suppo/Supposing(that) he can’t come, who will do the work?
6 Providing/Provided(that) there is no opposition, we shall hold the meeting here.
【重点提示】
★同时间状语从句一样，条件状语从句如果表示将来时间， 要用一般现在时代替将来时。
★ in ca 如位于句首，意思是“假如”，位于句中和句尾，意思是“万一”
V．方式状语从句
引导方式状语从句的连词有：as（正如---）, as if/though（仿佛,好象），just as---so (像---那样)
1 Plea do______ I do.
2 The child talks _____ he_____ a man. ( be )
3 It looks_______ it_____ / _____ going to rain. ( be )
4 Just______ water is to fish, so air is to man.空气对于人，就像水对于鱼一样。
5 Just_____you hate Mr.Green, so I dislike his wife.
正如你不喜欢格林一样，我也不喜欢他妻子。
【重点提示】 as if/as though 引导的方式状语从句一般用虚拟语气， 但如果从句中所陈述的情况很可能实现，也可用陈述语气。
机器人老师
1. ---The experiment is of particular importance.
---I e. We will carry on with it _____ we can get enough money.
a. until b. unless c. whether d. however
2. I won’t give you any help ____ you tell me the truth. It’s none of my business.
a. Unless b. since c. if d. even if
3. ---Can I join you in the game?
---Sorry, not____ you have finished your homework.
a. if b. since c. unless d. that
4. ---Do you think we can get there on time?
---Yes,___ the truck doesn’t break down.
a. even if b. unless c. until d. so long as
5. We won’t give up ___ we should fail ten times.
a. even if b. since c. whether d. until
6. .---I’d like to invite you to my new hou next weekend.
---Thank you, but ___ I’ll have time I am not sure at the moment.
a. when b. as c. in ca d. unless
7. .I don’t think I will need any money but I will bring some___.
a. at last b. in ca c. once again d . in time
8. The WTO can’t live up to its name _____it does not include a country that is home to one fifth of mankind.
A. as long as B. while C. if D. even though
9. The men will have to wait all day ____the doctor works faster..
A. if B. unless C. whether D. that 有一双眼睛
10. John may phone tonight. I don’t want to go out _____he phones.
A. as long as B. in order that C. in ca D. so that
让步状语从句
引导让步状语从句的连词有：though, although, even if/though（即使），however(不管怎样)，whatever (无论什么)，wherever, no matter who(how, when, where---), while(尽管)，if(虽然)，when (虽然) whether---(or not) (不管是---还是---) , as
1 _____ it was only 9 o’clock, there were few people in the street.
2 ________ he has failed many times, he doesn’t give up trying.
3 __________ it’s hard work, I enjoy it.
4 ________ late it was(No matter how late it was), he went out.
5 ________ you do, do it well.
6 You can’t come in, ______ you are.
7 I am going ________ it is raining or not.(= No matter whether it---)
8 ________ I like the colour of the hat, I do not like the shape of it.
【重点提示】
★ though 和although 的区别：
有时候可以换用，但有区别：新沙岛
● although 一般位于句首，though 而位于句首或句未。
● though 与even , as 连用，构成芭乐热量even though, as though 短语，而although不可以。
● though 可以放在句未， 作副词，“然而，但是 煎肉片”，但是although 不可以。
● though 还可以用在表示让步的倒装结构中，表示“尽管”， 而although 不可以。
Child though/as he is, he know a lot.
Tired though/as he was, he went on working.
1. Hard _____ he works , he makes little progress.
2. _______ it is good or bad , I will buy it .
3.It is a good story , ____ or not , it is true .
4. _______ I am unhappy , my friends will cheer me up .
5._____ it was raining, they still worked in the fields.
6. ______ there were only five soldiers left at the front, they went on fighting.
7. Young ____ she is , she knows quite a lot.
8. It was a nice meal, _______a little expensive.
9. __________ volleyball is her main focus, she’s also great at basketball.
10. ____ regular exerci is very important, it’s never a good idea to exerci too clo to bedtime.
11. I will not attend his party __________ invited .
