初中英语语法三大从句总结(3)

　　The moment --- 一……就…… =as soon as ， immediately，

　　---Did you remember to give Mary the money you owed her？

　　---Yes， I gave her the moment I saw her.

　　Not… until --- 直到……才

　　He didn’t leave the office until he finished the work.

　　Before --- 在……之前

　　The passengers should arrive at the airport an hour before the flight departs.

　　After --- 在…… 之后

　　The customer left the ticket counter after he had a quarrel with the ticket agent.

　　Since ---自从……， 通常主句用现在完成时

　　I have never been there again since I graduated from the university.

　　It is just a week since we arrived here.

　　As soon as --- 一……就……

　　Jack went to school as soon as he got well.

　　No sooner than --- 一……就……

　　no sooner… than… 用于句首要求倒装

　　Hardly …when…

　　Scarcely …when…

　　No sooner had he arrived than he went away again.

　　Once  --- 一但……就……

　　Once you see him， you will never forget him.

　　Every time， each time 每次whenever 每当

　　Each time he came to town， he would visit our school.

　　2. 条件状语从句

　　引导状语从句的连接词有：

　　If如果， unless除非， as long as只要， As (so) far as --- 据……所知，in case万一， provided that假如， on condition that若是，以…为条件

　　If ---如果

　　If you don’t hurry up， you will miss the plane.

　　Unless --- 如果不， 除非=if not

　　We can’t get there on time unless we book the earliest flight

　　As long as --- 只要

　　We will succeed as long as we keep on trying.

　　As (so) far as --- 据……所知

　　As far as I know， he speaks English very well.

　　In case --- 假使， 如果

　　The plane cannot take off in case it rains.

　　Provided that 如果，有时省略 that

　　The plane will be in good condition provided that it is taken care of carefully.

　　On condition that --- 条件是…

　　He said that he would come to the meeting on condition that no one asked him to speak.

　　注：主从句的动作发生在将来时，则主句用将来时， 从句用一般现在时。

　　If he arrives tomorrow， I will be waiting for him at the airport.

　　3. 地点状语从句

　　地点状语从句只有两个连词： Where， wherever

　　Where --- 在……地方

　　Where there is a will， there is a way.

　　Wherever --- 无论哪里

　　Wherever you are， I will be right there waiting for you.

　　4. 原因状语从句

　　because， as， since， now that， 和considering that， seeing that 这六个连词都用于表示表示原因， 但在语气上一个比一个弱.

　　Because --- 因为，通常从句放在主句后.

　　Mr Smith was very upset because he couldn’t find his luggage.

　　As --- 因为， 通常放在句首

　　As he is honest and modest， all his friends like him.

　　Since ---既然  因语气较弱， 常译为既然(众所周知的原因)

　　Since everybody has come， we can set off.

　　Now that --- 既然

　　Now that you are here， you can join us.

　　considering that --- 顾及到

　　Considering that they are just beginners， they are doing quite a good job.

　　seeing that --- 由于

　　Seeing (that) quite a few people were absent， we decided to put the meeting off.

　　5. 结果状语从句

　　引导结果状语从句的连词有：that， so that， so…that…

　　such…that  So… that --- 太……以至于 so 后面应用形容词或副词， 有时省略so只用that

　　Boeing 747 is so large that people like to call it jet bomb喷气炸弹.

　　So that --- 因而，以便，为了 有时so 可以省去

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