11我五年后才能回来。It will be five years before I came back. 用不了多久他们就会互相了解了。Hardly… when/No sooner… than 一…就 Every time / each t

me.注意：before从句中谓语不用否定式。 Before they reached the station, the train had gone.• 含有before的句型结构： 1. It will be / was＋一段时间＋be

.b. 主语 + 谓语 + 形容词 / 副词 比较级 + than + 被比对象.在这种结构中，than是个连词 ，引导比较状语从句，如果被 比较的对象为名词或代词，一 般采用省略形式，省去与主句 中相同的部分。.This river is

Put the medicine where you can easily getit.3（4）原因状语从句:引导词有：because，as，since，for I'll be absent, because I am ill.（5）目的状

(while不适合用于这样的语境)， when表示“当……的时候”受限制条件最少。.17Your Topic Goes 2 After livinHgeinreParis for fiftyye• aYrosur,suhbteopriceg

1．while引导的时间状语从句的谓语动词必须是 可延续的， 而when引导的时间状语从句的谓语 动词是可延续的，也 可以是表短暂性动作的动词。 When/While he was eating his breakfast, he hear

1. as, while , when的区别as引导的时间状语从句, 可以表达“正当……”， “一 边……一边……”，“随着……”等意思。1. 表示某事一发生，另一事立即发生。 As the sun rose, the fog disapp

began to rain. • No sooner had he arrived / He had no sooner arrived than shestarted complaining.• ③ directly, immediate

正如打扫房屋一样，我们也要扫除我们头脑中落后的东西。2、 as if, as though两者的意义和用法相同，引出的状语从句谓语 多用虚拟语气，表示与事实相反，有时也用陈 述语气，表示所说情况是事实或实现的可能性 较大。汉译常作 “仿佛…

• 答案：D • 解析：句意为—— 星期五那天，当我们正准备出发去过周末的时 候，我的女儿听到有人叫救。易混淆：在while和when这里犹豫。对比： (2006湖南) 2. I had just stepped out of the ba

• Many people feel so worried that they don’t sleep very well .• Although I tell myself not to worry about them , I alwa

.123. ______ the day went on, the weather got worse.A. With B. since C. As D. While B. 4.

A.whereB.at the placeB.C.the place at which D. at whichTips: 介词+which 代替只有是定语从句情况 下才用，

7.We should strike __w_h_i_le__the iron is hot.1)While he was walking in the street, he me

factory.62.条件状语从句常用引导词： if unless as long as once1. I will help you with your English if I

Read and actRead and learn • You should be quiet when you are in theplastic: 塑料 reading ro

I recognized him the moment I saw him.--- Did you remember to give Mary the money you owed

或同段进行，可用延续行动词的一般过去式表式过去进行时。 (一边…一边; 随着…)when, while 后还可以接分词短语。when 作并列连词，表示一个动作在发生时， 另一个动作