条件状语从句和让步状语从句.ppt

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1、条件状语从句和让步状语从句,1.条件状语从句,引导状语从句的连接词有: if, unless = if not as long as on condition that in case provided/providing (that) suppose/supposing (that),I. if If you work harder,you will succeed.,Work harder, and you will succeed.,Work harder,or you wont succeed.,Working harder,you will succeed.,If 虚拟条件句,II.

2、 unless= if not We cant write to Mary unless she tells us her address.,We cant write to Mary if she doesnt tell us her address.,III. as/so long as(只要 ) =only if 1)I will never give up learning as long as I live. 2)You may borrow the book as long as you keep it clean.,IV.on condition that（条件是） Well l

3、et you use the room on condition that you keep it tidy.,V.in case(万一） Youd better take your raincoat with you in case it rains/should rain.,VI. suppose/supposing/provided/providing Suppose /Supposing /Provided/Providing (that) they refuse us, who else can we turn to for help?,让步状语从句,引导让步状语从句的连词有：,Al

4、though, though, as, even if, even though, no matter + 疑问词, 疑问词+ ever while, whetheror,although, though, as -虽然 although 常放在句首 although 不倒装 Though 可以倒装也可不用于倒装 as 必须倒装（特殊结构）,Although it was raining, the plane managed to take off. Though it was not his fault, he took all the blame.,As: （虽然） 必须用一种特殊的倒装结

5、构 adj./n./adv./v.放句首+as+陈述语序 1.clever as he is, he isnt diligent 2.Child as he is, he knows a lot. 3.Much as he likes it, he will not buy it. 4.Try as he might, he cant find a job. （注：这里的as 可以换成though),Even if /even though -即使,Even if you dont like your boss, you should do your work.,Even though I m

6、ight be wrong, I will go my way.,no matter + 疑问词 = 疑问词+ever,1.Whenever (no matter when) you come to our country, you will be warmly welcomed. 2.Wherever(No matter where) he goes, he always brings two bodyguards with him. 3.The father couldnt make his daughter smile however (no matter how) hard he tr

7、ied. 4. The old man wouldnt believe anything whatever (no matter what) you said. 5. Whatever b(no matter what ) good use you have made of time, you cant finish the task.,While -尽管,While I have sympathy for you, I cant help you.,While its none of my business, I will watch you.,Whether -不管，常与or not 连用,Whether he is good or not, the company decided to send him abroad.,Whether his proposal is practical or not, the department plans to adopt.,