三、状语从句：
一）.条件状语从句：引导词为:if, unless。
形式：
主句_______________, 从句______________.
练习：1.I am waiting for my friend.____________, I’ll do shopping alone.
A.If she comes B.If she will come C.If she doesn’t come D.If she didn’t come
2.I am sure I can make it better, if our teacher _________me a second chance.A.give B.gave C.gives D.will give
3.The art club is for members only. You can’t go in___you are a member. A.unless B.Because C.if D.though
4.I ________the CDs to you if I have time tomorrow. A.will return B.returned C.have returned D.return
5. 1）You won’t pass the final exam ___________(除非)you work hard.
2) The children __________ climb the mountain if it __________________(不下雨)
3) _______________________if he comes. (给我打电话）
二）时间状语从句：(常见从属连词有when,before, after, until, as soon as, while…)
1）As soon as he _____in Paris, he will call you. A.arrive B.arrived C.arrives
2）Don’t leave until the rain_______.A.stopped B.stops C.stopping D.stop
3）You can go skating after you ____A.finish the job B.finished the job C.finishing the job
4) I’ll tell her the good news when he _____ back. A.came B.comes C.come
5）Father was watching TV ________ Mum was washing dishes. A.before B. while C.after D.until
6）I was watching TV ____ you called me last night. A.when B.while C.until D.after
7) I ______ here since I came to China. A.lived B.have lived C.am living D. had living
8).My grandma didn’t go to sleep______ I got back home. A.till B.until C.since D.when
三）原因状语从句： (常用连词有because, since, as)
1. Tom is ill at home, _____he can’t come here. A.so B.if C.because D.and
2.—Why did you come to school late this morning?--___I watched the Football World Cup until 12:00 last night. A.If B.Because C.Since D.Though
3.I hope to go to France some day__there are many museums there.A.though B. unless C. because D. where
四）结果状语从句：由so… that…/such…that/so that引导的从句（so后接形、副原级）
1）与too…to…句型的转换：
He ran so fast that I couldn’t catch up with him. =______________________________________________
The box is so heavy that I can’t carry it= ___________________________________________________
2）“so… that +从句”与“enough to”的替换
He’s so strong that he can carry the box.=___________________________________________________
He is not old enough to go to school.=________________________________________________________
3)so that…/ so…that…/such…that ____________________________________________________________
如：He got up early in the morning so that he could catch the early bus.
The boy is so strong that he can lift up the heavy stone. He is such a clever boy that all of us like him.
练习：1.--He was _______tired ______he fell asleep as soon as he lay down. -- Oh, we can go out and let him have a good rest..A.too;to B.so; that C.enough; to D.such; that
2.There were _______many people ____I couldn’t find where she is. A.so;that B.so;as C.such;that D.as;that
3. He ran as fast as possible__he could reach school on time. A.in order to B so as to C such that D so that
4. They are ___interesting books __ I want to read them once more.A.so that B.such…that C.too…to D.so…that
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