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1、状语从句要点1. *when 引导突然发生的动作，意为：正在那时We were eating when a friend came to see me. (我们正在吃饭，正在那时一个朋友来了)2. *hardly/ scarcely/ barely when 句式 ， 意为：一.就.no sooner thanI had hardly fallen asleep when the telephone rang. 非倒装句 (我刚一睡着,电话铃就像了)I had no sooner fallen asleep than the telephone rang.Hardly had I fallen
2、 asleep when the telephone rang. 倒装句No sooner had I fallen asleep than the telephone rang.3. while 1) 当的时候 while 句子/while doing sthThey knocked at the door while/ when I was taking a bath *2) (放在句中)而, 但是(强调前后两者的反差)Jane is fashionable while her sisters clothes are often out-of-date.*3) (放在句首)虽然While
3、I admit the problem is difficult, I dont agree they cant be solved.4. *beforeIt wont be long before everyone knows it./ It wasnt long before everyone knew it.不久It was a week before he returned. 过了一周才*Long before 区别before long It wasnt long before she quit smoking. 不久她就戒烟了I expect the bus will be her
4、e before long. (before long = soon)Three years had passed before we knew it. 不知不觉三年过去了 Do it before you forget. 趁着没忘先做.The thief ran away before I had time to shout for help. 在我还没来得及求救之前,小偷跑了5. since 自从, It is two weeks since I came.It was two weeks since I had come.6. *until until 用于肯定句, 前面的动词要用持续动
5、词; until 用于否定句, 前面的动词使瞬间动词He didnt leave until I returned.否定句用瞬间动词Keep waiting until he comes back.肯定句用持续动词I didnt go to bed until I finished homework. not until 的原始句型 Not until I finished homework did I go to bed. not until 的倒装句型It was not until I finished my homework that I went to bed. not until
6、的强调句型7. *every time/ each time/next time/the minute/ the second/ the first time/ the moment 直接引导时间状语从句， 不加that或whenShe is nervous every time she sees me.The first time I saw her, I didnt take it seriously.The first time = when for the first time When I saw her for the first time, I was nervous.Cf. f
7、or the first time Last week, I went to the States for the first time.8. unless = if not 如果不9. as long as/ so long as/ on condition that 只要10. even though/ even if 即使11. *where 引导地点状语Where there is water , there is life.Plants grow well where there is plenty of water.Dont put the medicine where child
8、ren can get it. Leave the books where you found them.12. *区别It is/ has been ten years since I graduated. 我毕业已经十年了It will be/ is two years before I graduate. 我要过两年才毕业It was/ is .that/ who 强调句型It is ten years ago that I graduated.13I dont care whatever they say.Whatever they say/ No matter what they say, I dont care.14. Hard as/though he worked, he failed. 虽然 Adult as/though he is, he is really childish. 虽然As he worked hard, he realized his dream. 因为15 However hard it rains/ No matter how hard it rains , we will have the sports meeting.无论 注意语序！how/ however 后面跟形容词或副词13.