人教版八年级英语下册Unit6 单元语法归纳与练习.ppt

1、单元语法归纳与练习,状语从句,1.时间状语从句 时间状语从句常用when,as,while,before,after,since,not.until,as soon as,whenever等来引导。 As soon as he comes back,Ill tell him the good news.他一回来我就告诉他这 个好消息。 2.原因状语从句 原因状语从句通常由because,since,as等连词引导。 He didnt come to school because he was ill. 他因为病了,所以没来上学。 3.结果状语从句 结果状语从句由so.that,such.tha

2、t,so (that)引导。 He is so poor that he cant buy a bike for his son. 他太穷了,不能为他的儿子买辆自行车。 My pencil fell under the desk,so (that) I couldnt see it. 我的铅笔掉到课桌下面了,以至于我看不到它了。,4.条件状语从句 条件状语从句通常由if,unless引导。if引导的条件状语从句中,主句用一般 将来时,从句用一般现在时,遵循“主将从现”的原则。 What shall we do if it snows tomorrow? 如果明天下雪我们将做什么? Dont l

3、eave the building unless I tell you to. 不要离开这座楼,除非我告诉你离开。 5.比较状语从句 常用as(so).as,than引导。 Jim runs faster than Tom.吉姆比汤姆跑得快。 This river is almost as long as that river. 这条河和那条河几乎一样长。,6.让步状语从句 让步状语从句通常由although,though等连词引导。 Although I am tired,I must go on working. 虽然我累,但我必须继续工作。 7.目的状语从句 由so (that),in

4、order that等引导。 We started early so that we could catch the first train.我们很早就 出发,以便我们能赶上第一班火车。,单项选择 ( )1.Tony was drawing a picture I was doing my homework. (2018 天津) A.if B.because C.while D.until ( )2.Tom will go to see his uncle he gets to Shanghai. (2018 邵阳县期末) A.soB.as soon as C.and,C,B,( )3.I p

5、ainted the apartment quickly my parents could move in soon. A.althoughB.unless C.so thatD.as soon as ( )4.Bob,dinner is ready.Please wash your hands you eat.(2018 河北) A.untilB.after C.whileD.before ( )5.I always get up early on weekdays, Im afraid I will be late for school.(2018 黄石) A.becauseB.so C.

6、though D.then,C,D,A,( )6.I have to study too much I dont get enough sleep. (2018 岳阳) A.butB.soC.or ( )7.Can students go online during lessons? They can it is for that lesson.(2018 江西) A.ifB.or C.soD.but ( )8.I really want to pass the exam for further study. Believe in yourself,dear! Your dream will come true . you put your heart into it.(2018 菏泽) A.even ifB.as long as C.as soon as,B,A,B,( )9.Little Jack has learned to do lots of things on his own,. he is only four years old.(2018 安徽) A.ifB.though C.forD.since ( )1