2019年春八年级英语下册Module4Seeingthedoctor模块语法聚焦四练习(新版)外研版(共5页).docx
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1、精选优质文档-倾情为你奉上Module 4 Seeing the doctor 现在完成时(三)1How long have you been like this?你像这样有多长时间了?Since Friday. Ive been ill for about three days!自从周五。我已经病了大概三天了!2I havent done much exercise since I got my computer last year. 自从去年我有了电脑以来,我就没怎么锻炼过。 3We have played football for a year now.现在我们踢了一年的足球。. 1如果
2、要表达某一行为或状态从过去某时间一直持续到现在,则要用现在完成时态。这时,句子通常要与表示一段时间的时间状语连用,这类状语通常由for或since来引导。需要注意的是,for后面接一段时间,而since后面接时间点或过去时态的句子,即for用来说明动作延续的时间长度,since用来说明动作的起始时间。例如:I have lived in Hebei for ten years.我在河北已经住了十年。He has been in this school since 2010.自从2010年起,他就在这所学校了。My sister has learnt English since she was
3、four.我姐姐从4岁起就开始学英语。2如果要对现在完成时态句子中的时间状语进行提问,通常要用how long。例如:How long have you studied English?你学英语学了多长时间了?For four years. 四年了。How long has he taught here?他在这儿教书多长时间了?Since five years ago.自从五年前。3在现在完成时态的句子中,短暂性动词一般不能与时间段连用,但在否定句中,则一般可以和表示一段时间的for短语连用。例如:I have stayed in the hotel for a week.我已经在这家宾馆待了
4、一周了。My parents havent seen me for two years. 我父母有两年没见我了。He hasnt come to school for a week.他一周没来上学了。注意 短暂性动词不能和表示一段时间的时间状语连用,但如果要保留表示一段时间的时间状语,必须将短暂性动词改为延续性动词。常见的短暂性动词转换为延续性动词如下:(1)fall asleepbe asleep (2)begin/startbe on(3)buyhave(4)diebe dead (5)comebe in(6)arrivebe here(7)joinbe in/be a member of
5、(8)finish/endbe over(9)leavebe away(10)borrowkeep(11)begin to studystudy(12)come backbe back 4现在完成时态还经常用于“Its the first/secondtime that”结构中。例如:Its the first time that I have visited here.这是我第一次参观这里。Its the third time that you have seen the film with me. 这是你第三次和我一起看电影。.单项填空()1.Look at these stamps. I
6、 _ them for five years.Wow, they are wonderful.Akept Bhave kept Chave bought Dbought()2.2016宜宾Its already tens of years _ the worlds population reached five billion.Abefore BafterCsince Dfor ()3.Our foreign teacher Mr Green _ us English since three years ago.Ahas taught Bis teaching Ctaught Dteaches
7、()4.2017扬州You have a nice car.Thank you. I _ it for less than one month.Abought Bhave boughtChad Dhave had()5.Rick has learned a lotabout Chinese culture _ he came to China.Abefore BwhenCuntil Dsince()6._ have you learned Chinese?For 3 years.AHow often BHow muchCHow long DHow soon()7.2017宿迁My grandp
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