1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 12,Life is full of the unexpected.,Grammar Focus4c,单元同步语法精讲精练,3,用法归纳,(1),常与,before,，,by,，,by the time,，,by the end of,等引导的时间,状语,(,从句,),连用。状语从句的谓语动词常用一般过去式。如：,By the time/Before I came to this school,，,I had learned English.,在来,这,个学校之前,，,我已,经,在学英,语
2、了。,(2),表示从过去某一时间开始,，,持续到过去另一时间的动作或状态,，,与,“,for,时间段,”,连用,，,谓语动词用,延续性动词。如：,He had been ill for a week when he told me.,当他告,诉,我,时,，,他已,经,病了一周了。,(3),主句谓语动词为一般过去时,(,如,said,，,asked,，,found,，,told,，,thought,等,),，,其后的宾语从句通常用过去完成时。如：,Mr.Zhang,said that he had lived in this city for ten years.,张,先生,说,他已,经,在,
3、这,个城市住了十年。,一、单项选择。,1,Wh,at good luck we had,！,The rain had stopped _the time the match began.,You were,lucky.Showers,usually come and go fast.,A,at,B,since,C,for,D,by,2,When he was in the shop,，,he found he _,his wallet.,A,lost B,has lost,C,had lost D,would lose,3,Did you see,Mrs.Lee,in the meeting
4、room?,No.When,I got there,，,she _,another meeting.,A,had left for B,had left to,C,was leaving for D,was leaving to,D,C,A,4,Were you still doing your homework at that time?,No,，,I had already finished it _,A,in two hours B,two hours,ago,C,before two hours D,two hours before,5,Had your parents been to
5、 quite a few countries _,2014?,A,at the end B,in the end of,C,by the end of D,at the end of,D,C,二、根据句意,，,用所给词的适当形式填空。,1,By the time I was thirty,，,I _,(teach)English for 5 years in this school.,2,Before you reached the village,，,we _,(not find)anyone else at all.,3,That old man said he _,(drink)too
6、much dirty water.,4,He said he _,(not see)his grandma before.,5,By,10 oclock yesterday morning he _(finish)his homework.,had taught,hadnt found,had drank,hadnt seen,had finished,三、从方框中选择合适的词组,，,并用其适当形式填空。,rush,out,，,sho,w,up,，,find,out,，,lea,v,e,for,，,w,ait,in,line,1,The famous actress didnt _,until the party was nearly over.,2,He _,Shanghai next week.,3,Have you _,how much the ticket from Shandong to Hubei costs?,4,When the earthquake happened,，,I _,of the supermarket.,5,When we bought tickets,，,we _,sho,w,up,is lea,v,ing for,found out,rushed out,w,aited in line,
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