条件状语从句和让步状语从句

1、精品课件,1,条件状语从句和让步状语从句,精品课件,2,1.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),精品课件,3,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

2、succeed.,精品课件,4,If 虚拟条件句,精品课件,5,II. 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 clea

3、n.,精品课件,6,IV.on condition that（条件是） Well let 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

4、 turn to for help?,精品课件,7,让步状语从句,引导让步状语从句的连词有：,Although, though, as, even if, even though, no matter + 疑问词, 疑问词+ ever while, whetheror,精品课件,8,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 no

5、t his fault, he took all the blame.,精品课件,9,As: （虽然） 必须用一种特殊的倒装结构 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),精品课件,10,Even if /even though -即使,Ev

6、en if you dont like your boss, you should do your work.,Even though I might be wrong, I will go my way.,精品课件,11,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.

7、3.The father couldnt make his daughter smile however (no matter how) hard he tried. 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.,精品课件,12,While -尽管,While I have sympathy for you, I cant help you.,While its none of my business, I will watch you.,精品课件,13,Whether -不管，常与or not 连用,Whether he is good or no