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1、铁放在屋外露天会生锈，那么金子呢？拿鸡蛋扔石头，为什么鸡蛋没破？“新华字典”有多少个字？状语从句首先你要弄清楚什么是状语？他已经走了咱们北京见科学终于以伟大的不可抑制的力量战胜了神权一九四九年，我们国家举行了开国大典在杭州，我们游览了西湖美景状语说白了，就是修饰动作的词，也可以理解成修饰谓语的词。也就是说就是动词的九个状态：时间地点原因结果目的比较条件让步方式时间结果目的让步方式在一个月黑风高的夜晚，你照了镜子，突然发现你长得非常帅！约架鹿晗地点原因条件比较1.表示时间的状语从句我们常见的从属连词精选when whileas/since A.when 的用法当的时候When he receiv
2、e the letter,he will tell us.当他接到信时候，就会告诉我们When you get good grades,you will be happy.当你取得好成绩的时候，你会很开心的 小练习当外面下雨的时候，你就呆在家里。当你打开门的时候，你就会看到礼物。当你进入清华大学，你就会感谢当初努力的自己。正在那个时候若when 不放在句首，且前面有逗号时，主句动词一般表示“正在，即将”（用延续性v）when=at that moment We were watching TV,when suddenly the light went out.大家正在看电视，突然灯灭了I wa
3、s having lunch，when the doorbell rang.我正在吃午饭，突然门铃响了小练习我正在听课，突然停电了。我正在玩游戏，突然班主任看到了我。B.while 的用法当的时候表示主句动作和从句动作同时发生（且从句的谓语动词必须是延续性的动词）He visited a lot of places while he was traveling.=He visited a lot of places during his traveling.while 有的时候还含有对比的意思I was doing my homework while my brother was playin
4、g games.我正在做功课，而我弟弟却在玩游戏C.as 的用法在的同时 一边一边He smiled as he handed me a bunch of flowers.他微笑的同时给我递了一束花他听音乐的同时记笔记 He listened to the music as he took a note.他画画的同时想事情 He drew as he thought something.我们一边走，一边谈As we walked,we talked.我们一边看电影，一边吃爆米花As we saw the film,we had popcorn.有时候会用just as 表示两件事在时间上很接近
5、Just as I was leaving my home,the phone suddenly rang again.我正要离开家时，电话突然又响了AS /WHEN/WHILE 比较区别：uas.when.while 都表示主从句状态同时发生，三者差异如下：强调两个动作同时进行，并表示对比用于历时较短表示：一边.一边asThe room grew colder as the fire burnt down.随着炉火逐渐减弱，房间越来越冷。As time goes by my memory seems to get worse.随着时间的流逝，我的记忆力似乎越来越差。The ice crack
6、ed as I stepped onto it.我一踩冰就裂了。He jumped to his feet as the boss came in.老板一进来他立刻站了起来。when另外还可以表示从句的动作在主句的动作“之前”“之后”I was having lunch，when the doorbell rang.我正在吃午饭，突然门铃响了When he receive the letter,he will tell us.当他接到信时候，就会告诉我们 while 一般用于较长的情景。He visited a lot of places while he was traveling.他在旅行
7、中参观了很多有趣的地方说完这些你明白了吗？1.表示对比用while（延续doing）2.表示动作的先后顺序用when3.表示动作同时发生用as我到达那里的时候，正在下大雨。当我看完这篇文章后，他给我打了电话。当我到电影院的时候，电影已经开演了。It was raining hard when/as I got there.When I had read the article,he called me.When I got to the cinema,the film had begun.她以为我在谈论她的女儿，然而,实际上我在谈论我的女儿。She thought I was talking
8、her daughter,_,in fact,I was talking about my daughter.再不会我就.什么都不说了，加群吧：小试牛刀在下列各句的空格中填入适当的连词 1_ he comes tomorrow,I shall ask when he was born.2_ he was speaking,everybody listened carefully.3It was already eight oclock _ we got there.4Have a good look at that man _ you pass him.5I waited _ he came back.6.I was about to go out _ a visitor came.7The thieves ran away _ they saw the police.8.He learned to speak German _ he was in Berlin.9.She likes everything to be ready _ she starts to work.10.We played outside till sunset,_ it began to rain.