狀語從句的定義與功能

1、狀語從句的定義與功能：在復合句中擔任狀語成分的從句稱為狀語從句，修飾主句的謂語動詞，形容詞或副詞。狀語從句的位置:狀語從句同狀語一樣,在句中的位置比較靈活, 可置于句首,句未,或句中.狀語從句位于句首時,常用逗號分開, 狀語從句位于句尾時,其前一般不用逗號狀語從句的分類：根據(jù)意義和用途的不同，狀語從句可分為： 1. 時間 2. 原因3. 地點 4. 目的5. 方式6. 條件7. 結(jié)果8. 讓步 9. 比較狀語從句條件狀語從句 引導條件狀語從句的連詞有：if, unless, so/as long as(只要)，in case (如果，萬一)，if only( 要是，只要)，provided/p

2、roving (that) (假如)， on condition that (只要)， suppose/supposing(that)(假定)，assuming that ,once Ill go there _ he invites me. _ I forget, please remind me about it.( 假使我忘了， 請?zhí)嵝盐? Take an umbrella with you_it rains.（ 帶把傘吧， 萬一下雨） _ he has a chance, he will do great things.（只要他有機會，他就能干大事） Suppose/Supposing

3、(that) he cant come, who will do the work? Providing/Provided(that) there is no opposition, we shall hold the meeting here.【重點提示】同時間狀語從句一樣，條件狀語從句如果表示將來時間， 要用一般現(xiàn)在時代替將來時。 in case 如位于句首，意思是“假如”，位于句中和句尾，意思是“萬一”V方式狀語從句引導方式狀語從句的連詞有：as（正如-）, as if/though（仿佛,好象），just as-so (像-那樣) Please do_ I do. The child

4、talks _ he_ a man. ( be ) It looks_ it_ / _ going to rain. ( be ) Just_ water is to fish, so air is to man.空氣對于人，就像水對于魚一樣。 Just_you hate Mr.Green, so I dislike his wife.正如你不喜歡格林一樣，我也不喜歡他妻子?！局攸c提示】 as if/as though 引導的方式狀語從句一般用虛擬語氣， 但如果從句中所陳述的情況很可能實現(xiàn)，也可用陳述語氣。1. -The experiment is of particular importan

5、ce. -I see. We will carry on with it _ we can get enough money.a. until b. unless c. whether d. however2. I wont give you any help _ you tell me the truth. Its none of my business.a. Unless b. since c. if d. even if3. -Can I join you in the game? -Sorry, not_ you have finished your homework.a. if b.

6、 since c. unless d. that4. -Do you think we can get there on time? -Yes,_ the truck doesnt break down.a. even if b. unless c. until d. so long as5. We wont give up _ we should fail ten times.a. even if b. since c. whether d. until6. .-Id like to invite you to my new house next weekend.-Thank you, bu

7、t _ Ill have time I am not sure at the moment.a. when b. as c. in case d. unless7. .I dont think I will need any money but I will bring some_.a. at last b. in case c. once again d . in time8. The WTO cant live up to its name _it does not include a country that is home to one fifth of mankind. A. as

8、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 10. John may phone tonight. I dont want to go out _he phones. A. as long as B. in order that C. in case D. so that 讓步狀語從句引導讓步狀語從句的連詞有：though, although, even if/thoug

9、h（即使），however(不管怎樣)，whatever (無論什么)，wherever, no matter who(how, when, where-), while(盡管)，if(雖然)，when (雖然) whether-(or not) (不管是-還是-) , as _ it was only 9 oclock, there were few people in the street. _ he has failed many times, he doesnt give up trying. _ its hard work, I enjoy it. _ late it was(No

10、matter how late it was), he went out. _ you do, do it well. You cant come in, _ you are. I am going _ it is raining or not.(= No matter whether it-) _ I like the colour of the hat, I do not like the shape of it.【重點提示】 though 和although 的區(qū)別：有時候可以換用，但有區(qū)別： although 一般位于句首，though 而位于句首或句未。 though 與even ,

11、 as 連用，構(gòu)成even though, as though 短語，而although不可以。 though 可以放在句未， 作副詞，“然而，但是 ”，但是although 不可以。 though 還可以用在表示讓步的倒裝結(jié)構(gòu)中，表示“盡管”， 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

12、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 littl

13、e expensive.9. _ volleyball is her main focus, shes also great at basketball.10. _ regular exercise is very important, its never a good idea to exercise too close to bedtime.11. I will not attend his party _ invited .12. _serious a problem you may have, you should gather your courage to face the cha

14、llenge. _ a serious problem you may have , you should gather your courage to face the challenge.短文改錯I have a good friend names Liu Mei. She is our monitor and one of the excellent student in our class. Clever as she is, but she works very hard. We have a lot in common or have a lot to talk about. She was doing her homework one Sunday morning while she smelt something burning. S