高考必备经典句型1when引导并列分句，“当时突然”，强调另一个动作的突然发生。I was walking along the river when I heard a drowning boy crying for help.我正沿河边走，突然听到了一个溺水儿童的求救声。I was about to leave when it began to rain. 我正准备离开，这时候天开始下雨。2while = although “尽管”While I was angry with her, I didnt lose my temper. 虽然很生气，但我当时并没有对她发脾气。3no soonerthan=hardly/scarcely/barelywhen一就，刚刚就no sooner/hardly + 过去完成时，than/when + 一般过去时如果no sooner, hardly位于句首，主句要倒装。He had hardly gone to bed when the door bell rang.Hardly had we arrived when she started crying to go home.我们刚一到，她就闹着要回家。4as soon as 一就= directly/immediately/presently/instantly= the second/the minute/the moment/the instantI shall come as soon as /the moment/immediately I finish my supper.吃过晚饭我就过来。They informed us the news immediately/directly they got the news.他们一得到消息就通知了我们。She came to the spot the moment/ the minute she heard of the accident.一听说有事故，她就到了现场。5.until. 直到.时候 not.until. 直到.才.You are to stay here until/till your mother comes back.The meeting was put off until ten oclock. 会议被推迟到10点。Not until all the fish died in the river did the villagers realize how serious the pollution was.（倒装句）=The villagers didnt realize how serious the pollution was until all the fish died in the river.It was not until his mother came back that he went to bed. （强调句）=He didnt go to the bed until his mother came back. 6.before.特殊用法（1）没来得及.就.He ran off before I could stop him.我还没来得及组织他，她已经跑了。7.before.特殊用法（2）“过了多久才怎么样”或“动作进行到什么程度才怎么样”He almost knocked me down before he knew it.他几乎快把我撞到了才看见我。Three years went by before I knew it.不知不觉，三年过去了。8It was + 时间段 + before. “过了多久才怎么样.”It was not long before. 不久，就怎么样.It will (not) be + 时间段 + before .要过多久（不久）.才. It was not long before he sensed the danger of the position. 不久他就意识到他处境的危险。It was three days before he came back. 三天后他才回来。It will be half a year before you graduate from this school.要过半年你才能毕业。9. Since. 自从.以来Since he lived in Nanjing, I have not heard from him.(= Since he left Nanjing, .) 自从他离开南京以来，我没有收到过他的信。10It is (has been) + 时间段 + since + 过去时 自从.到现在多久了It is/has been two years since his father died. 11. once “一旦.”表示时间和条件Once you understand this rule, you will have no further difficulty. 一旦你理解了这条规律，你就不再感到难了。12 where. （地点状语）You should put the book where it was.把书放回原处。Where there is a will, there is a way. 有志者，事竟成。13 as (so) . as. “和.一样”；同级比较Henry is as good a player as Petre (is).Henry与Peter一样，都是好运动员。Well give you as much help as we can. 我们将尽可能地帮助你。My handwriting is not as(so)good as yours(is).14. the + 比较级，the + 比较级. “越.，越.” The more you read, the better you understand.The more tickets you sell, the more money you will get.票卖的多，钱挣的就越多。The sooner, the better. 越快，越好。15. no + 比较级 + than 表示A和B都不. not + 比较级 + than 表示A不如BThis book is no more interesting than that one. 这本书和那本书都没有趣味。This book is not more interesting than that one. 这本书不如那本书更有趣。16. more than “不仅仅” no more than只不过” “仅仅” =only not more than不多于= at most There are no more than ten students in the classroom. 教室里仅有10个学生。 There are not more than ten students in the classroom. 教室里最多有10个学生。 He is no more than a child, so I dont take him too seriously. 他不过是个孩子，所以我根本不把他当回事。17. more + adj. / n. + than + adj. / n. 与其说.倒不如说.He is more like his father than his mother. 与其说他像他母亲，倒不如说他更像他父亲。He is more of a student than of a teacher. 与其说他是个老师，倒不如说他是个学生。He is more clever than diligent. 与其说他勤奋不如说他聪明。18. as引导的行为方式状语从句Please do exactly as your doctor says. 请按医生的吩咐做。You must do the exercises just as I show you. 按我教给你的去做。19. as it is = as things are 照现在的情形看He promised to study hard, but as it is ,he does no better than before.他原答应要更加努力地学习。但照现在的情形看，他和以前没什么两样。Life is difficult as it is. 生活本来就不容易。20. though, although, as 引导的让步状语从句although位于句首；though位于句首或句中；as 位于句中= though 它的词序是把句中强调的形容词、副词、动词或名词放在连词前。Although / though Im young, I already know what career I want to follow. Young as / though I am, I already know what career I want to follow.我虽然年轻，但我已经明白我应该追随什么样的事业。Although I respect him very much, I can not agree with his idea. Much as / though I respect him, I can not agree with his idea.Although / though he is a child, he knows a lot of Chinese characters. Child as / though he is, he knows a lot of Chinese characters. Although he might try, he couldnt solve the problem. Try as he might, he couldnt solve the problem.Although it is raining, I am going out for a walk.Raining as it is, I am going out for a walk.21. whether . or “不管.还是”Whether the weather is good or bad, they will set off as they planned.无论天气好坏，他们都要按计划出发。22. 疑问词+ even whatever, whoever, whichever, whenever, wherever, however 均可引导让步状语从句，相当于no matter 与what, who, which, when, where, how连用Whatever(=No matter what)may happen