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1、时间状语从句状语从句(1) 时间状语从句 常用引导词 when 重点难点: 例句： when表示“正在那时候，We were having a meeting when somebody broke 突然” in. 当时我们正在开会，突然有人闯了进来。 侧重主句动作和从句动作相对比 Please dont talk so loud while others are working. while as “一边，” 或He hurried home, looking behind as he went. 他匆者 “随着” 匆忙忙回家去，一边跑一边回头望。 As time goes on, its
2、getting warmer and warmer. 随着时间的推移，天气变得越来越暖了。 肯定句延续性动词 否定句非延续性动词 You may stay here until the rain stop. 你可以在这里待到雨停。 He wont go to bed till/until she returns. 直到她回来他才睡。 Until you told me I had no idea of it. 直到你告诉我，我才知道这件事。 强调句型：It was not until you told me that I had any idea of it. Not until 置于句首，主
3、句要倒装：Not until you told me did I have any idea of it. till, until till不可以放在句首，until可以。 notuntil句型的强调和倒装用法 before 还未就，不到就，Before they reached the station, the train had gone. 才，还没来得及 他们还没到火车站前，火车已经开走了。 We hadnt run a mile before he felt tired. 我们跑了还不到一英里他就累了。 It will be + 一段时间+ It will be half a year
4、 before I come back. 还得待半before多久之后才 年我才能回来。 after since since从句的时态如果是一般过去时，主句为现在完成时或现在完成进行时。 I have written home four times since I came here. 自从我来到这儿，我给家写了四封信。 She has been working in this factory since she left school. 她离开学校以来，就在这个工厂工作。 It is + 一段时间 + since It is three years since the war broke o
5、ut.自战争爆从句 发以来有三年了。 It is three years since he lived here. 他不住在这里已经有三年了。 如果主句表示的是短暂动作，而从句用延续性动词的进行时态表示在一段时间内正在进行的动作，此时when, while, as 可互换使用。如 When/While/As I was walking down the street, I came across an old friend of mine. 当我沿着大街行走时，碰巧遇到我的一个朋友。 特殊引导词 一就 The moment I heard the voice, I knew father wa
6、s coming. 我一听到那个声音，as soon as, immediately, 我就知道父亲来了。 directly, instantly, the moment, The boy burst into tears the while, the minute, the immediately he saw his instant, once mother. 那男孩一见到他妈 妈便放声大哭。 no sooner与hardly/scarcely引 导的句子谓语动词应用过去 完成时，而than与when引导 的句子谓语动词应用一般过 去时；此外，当把no sooner 和hardly/sca
7、rcely提到句首 时，应用倒装语序。如： no soonerthan, I had hardly got home when it began to rain. hardly/scarcelywhen Hardly had I got home when it began to rain. 我们刚到家就下起雨来。 No sooner had we arrived at the station than the train left. 我们刚刚到车站，火车就离站了。 Next time you come, do remember to bring your son here. 下次你来的时候，
8、一定记得把儿子带上。 The last time she saw James, he was lying in bed. 上次她看见James的时候，他正躺在床上。 every time, each time, next time, the first time, any time, “每次”all the time等名词短语 “每当”“下次”等 习题： she realized(意识到) it was too late to go home. A. No sooner it grew dark than B. Scarcely had it grown dark when C. Hardly
9、 did it grow dark that D. No sooner had it grown dark when I was walking along the road suddenly someone patted(轻拍) me on the shoulder from behind. A. immediately B. when C. the moment D. while I was on the point of going out it began to rain heavily. A. when B. while C. as D. before You see the lig
10、htening it happens, but you hear the thunder(雷声) later. A. the moment B. for a moment C. at the moment D. in a moment Doing your homework is a sure way to improve(提高) your test scores, and this is especially true it comes to classroom tests(课堂测试). A. before B. as C. since D. when Someone called me u
11、p in the middle of the night, but they hung up(挂断) I could answer the phone. A. as B. since C. until D. before you talk to someone or write a message, you show your skills(技巧，才能) to others. A. At times B. Some time C. By the time D. Every time That was really a happy evening. Its years I enjoyed mys
12、elf so much. A. when B. that C. before D. since Hardly had he arrived in Hong Kong he rang me up. A. when B. than C. that D. and they hared the shout for help, they rushed out. A. Immediately B. The moment C. The while D. All the above(以上全部) he took part in the competition, he won a second prize. A.
13、 For the first time B. At a time C. At one time D. The first time I had just started back for the house to change my clothes I heard the voice. A. as B. after C. while D. when Ill be back before you . A. will leave B. will have left C. leave D. would leave I was about to leave my house the phone ran
14、g. A. while B. when C. as D. after They decides to chase(追) the cow(奶牛) away it did more damage. A. unless B. before C. until D. although No sooner had we reached the top of the hill we all sat down to rest. A. when B. then C. than D. until A man escaped(逃跑) from the prison(监狱) last night. It was a
15、long time the guards (警卫) discovered(发现) what had happened. A. before B. until C. since D. when Scientists say it may be five or ten years it is possible to test this medicine on human patients. A. since B. before C. after D. when We had not met for 20 years, but I recognized(认出) her I saw her. A. for the moment B. the moment when C. at the moment when D. the moment
