九年级英语上册 Unit 2 Great People单元语法归纳 （新版）冀教版课件

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1、单元语法归纳单元语法归纳1.before“1.before“在在之前之前”,引导时间状语从句时引导时间状语从句时,表示主句动作发生在从表示主句动作发生在从 句动作之前。注意句动作之前。注意beforebefore引导的从句一般不用否定式的谓语引导的从句一般不用否定式的谓语,并且当并且当 beforebefore引导的从句位于主句之后时引导的从句位于主句之后时,有时译成有时译成“就就,才才”。还要注意主。还要注意主 句和从句之间的时间关系。当主句用将来时句和从句之间的时间关系。当主句用将来时,从句一般用现在时从句一般用现在时;如果如果 beforebefore引导的从句谓语用的是过去时引导的从句

2、谓语用的是过去时,则主句动词多用过去完成时则主句动词多用过去完成时,这这 样以便体现动作发生的先后。样以便体现动作发生的先后。before,after,asbefore,after,as引导的时间状语从句引导的时间状语从句2.after“2.after“在在之后之后”,引导时间状语从句时引导时间状语从句时,表示主句的动作发生在从句表示主句的动作发生在从句 的动作之后。主句和从句的动作的时间关系正好与的动作之后。主句和从句的动作的时间关系正好与beforebefore引导的从句相引导的从句相 反。例如反。例如:It will be four days before they come back.

3、It will be four days before they come back.他们要过四天才能回来。他们要过四天才能回来。My father had left for Canada just before the letter arrived.My father had left for Canada just before the letter arrived.我父亲恰好在信件到达之前去加拿大了。我父亲恰好在信件到达之前去加拿大了。After we had finished the work,weAfter we had finished the work,we went home.

4、went home.完成工作之后完成工作之后,我们回家了。我们回家了。(从句用过去完成时从句用过去完成时,主句用一般过去时主句用一般过去时)3.as3.as表示表示“一边一边一边一边”,as,as引导的动作是延续性的动作引导的动作是延续性的动作,一般用于主句一般用于主句 和从句动作同时发生和从句动作同时发生;as;as也可以强调也可以强调“一先一后一先一后”。例如。例如:We always sing as we walk.We always sing as we walk.我们总是边走边唱。我们总是边走边唱。(as(as表示表示“一边一边一边一边”)As we were going out,i

5、t As we were going out,it began to snow.began to snow.当我们正要出门时当我们正要出门时,开始下开始下 雪了。雪了。(as(as强调句中两个动作紧接着先后发生强调句中两个动作紧接着先后发生,而不强调开始下雪的特定而不强调开始下雪的特定 时间时间)一、用一、用before,after,asbefore,after,as填空填空1.He had learned Chinese 1.He had learned Chinese he came to China.he came to China.2.2.finishing the work,wefi

6、nishing the work,we sat down to sum up sat down to sum up experience.experience.3.She likes everything to be in place 3.She likes everything to be in place she starts to she starts to work.work.4.They decided to go back home 4.They decided to go back home their money ran out.their money ran out.5.I

7、saw her just 5.I saw her just she was getting off the train.she was getting off the train.beforebeforeAfterAfterbeforebeforebeforebeforeasas二、单项选择二、单项选择()6.It was evening()6.It was evening we reached the little town of Winchester.we reached the little town of Winchester.A.that A.thatB.untilB.until C

8、.sinceC.since D.beforeD.before()7.Why didnt you tell him about the meeting?()7.Why didnt you tell him about the meeting?He rushed out of the classroom He rushed out of the classroom I could say a word.I could say a word.A.before A.before B.untilB.until C.whenC.whenD.afterD.after()8.()8.we got to the

9、 station,thewe got to the station,the bus came.bus came.A.Before A.Before B.Because B.BecauseC.AsC.AsD.SinceD.Since()9.It was quiet()9.It was quiet those big trucks started coming through the those big trucks started coming through the town.town.A.before A.beforeB.afterB.after C.untilC.until D.unles

10、sD.unless()10.The students were talking()10.The students were talking the teacher came in.the teacher came in.A.until A.until B.after B.after C.asC.as D.before D.beforeD DA AC CA AC C单项选择单项选择()1.These sentences are very important;you()1.These sentences are very important;you must must.A.write down i

11、t A.write down itB.writeB.write it down it down C.write them down C.write them down D.writeD.write down them down them()2.The idea sounds()2.The idea sounds;we all agree on it.;we all agree on it.A.well A.wellB.goodB.goodC.badlyC.badly D.bad D.bad()3.“Have you read todays newspaper?”“Yes.Its()3.“Hav

12、e you read todays newspaper?”“Yes.Its really boring.really boring.There is There is in it.”in it.”(2014(2014贵阳贵阳)A.something new A.something newB.nothingB.nothing new new C.anything C.anything new new()4.He is as()4.He is as as his sister.as his sister.A.careful A.careful B.carefully B.carefully C.m

13、ore careful C.more carefulD.moreD.more carefully carefully()5.The old music makes him()5.The old music makes him the past time.the past time.A.to remember A.to rememberB.rememberB.remember C.remembering C.rememberingD.remembersD.remembersC CB BA AB BB B易错提醒易错提醒:1.write down 1.write down加代词时加代词时,代词要放

14、于两词中间。主语为复数代词要放于两词中间。主语为复数,故排除故排除B B。2.sound2.sound为系动词为系动词,后加形容词后加形容词,不能加副词。由第二句可知选不能加副词。由第二句可知选B B。3.3.形容词修饰不定代词形容词修饰不定代词,形容词后置。由答语前半部分可知选形容词后置。由答语前半部分可知选B B。4.“as+4.“as+形容词或副词原级形容词或副词原级+as”+as”表示表示“和和一样一样”,”,本句有本句有is,is,所所以用以用carefulcareful。5.make sb.do sth5.make sb.do sth.意为意为“让某人做某事让某人做某事”,要用动词原形。要用动词原形。