初中英语延续与非延续性动词的现在完成时精.ppt
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1、初中英语延续与非延续性动词的现在完成时第1页,本讲稿共21页 动词按其动作发动词按其动作发生的方式、发生过生的方式、发生过程的长短可分为程的长短可分为延延续性动词与非延续续性动词与非延续性动词。性动词。第2页,本讲稿共21页 一一.延续性动词表示能够延续延续性动词表示能够延续的动作的动作,如:如:learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay等。延续性动词等。延续性动词可以与表示时间段的状语连用。可以与表示时间段的状语连用。第3页,本讲稿共21页 二二.非延续性动词也称非延续性动词也称终
2、止性动终止性动词、瞬间动词、短暂性动词词、瞬间动词、短暂性动词,表表示不能延续的动作示不能延续的动作,这种动作发这种动作发生后立即结束。生后立即结束。如如:open,die,close,begin,finish,come,go,move,borrow,lend,buy等。等。第4页,本讲稿共21页用法:用法:、它们可以用于完成时态,说明某个动作的结果还、它们可以用于完成时态,说明某个动作的结果还存在存在e.g.e.g.He has come back.He has come back.The film has begun.The film has begun.2 2、这类动词不能和表示一段时间
3、的状语连用,但在否定句中,、这类动词不能和表示一段时间的状语连用,但在否定句中,非延续性动词也可以用表示一段时间的状语来修饰非延续性动词也可以用表示一段时间的状语来修饰e.g.e.g.I I havenhavent t heard from Uncle Wang heard from Uncle Wang for a for a long time.long time.We We haventhavent seen him seen him since 1992.since 1992.第5页,本讲稿共21页3 3、还可改用一般过去时来表达、还可改用一般过去时来表达e.g.e.g.He He c
4、amecame back back a week agoa week ago.4 4、也可用、也可用“It is It is 一段时间一段时间sincesince”句型句型 来表达来表达e.g.e.g.It is It is a weeka week sincesince he came back.he came back.第6页,本讲稿共21页非延续性动词可以转换成延续性动词,主要有以下几种:非延续性动词可以转换成延续性动词,主要有以下几种:、用相应的延续性动词;、用相应的延续性动词;buybuy-havehave,borrowborrow-keepkeep,put onput on-wea
5、rwear,catch/getcatch/get a cold-a cold-havehave a cold,a cold,come/go/becomecome/go/become-bebe.、转换成、转换成 bebe名词名词;joinjoin the Party-the Party-bebe a Party member,a Party member,joinjoin the army-the army-bebe a soldier,a soldier,gogo to school-to school-bebe a student.a student.第7页,本讲稿共21页、转换成、转换成b
6、e+be+介词短语介词短语 :gogo to school-to school-be inbe in school,school,joinjoin the army-the army-be inbe in the army.the army.、转换成、转换成be+adj./adv.be+adj./adv.:die-be dead,die-be dead,finish-be over,finish-be over,begin/start-be on,begin/start-be on,leave(leave()-be away(from),)-be away(from),close-be clo
7、sed,close-be closed,open-be open,open-be open,fall asleep-be asleep.fall asleep-be asleep.第8页,本讲稿共21页The meeting started 15 minutes ago.The meeting has been on for 15 minutes.The train left half an hour ago.The train has been away for half an hour.He began to teach here 16 years ago.He has taught he
8、re fo r16 years.James started to work for MAP Advertising last year.James has worked for MAP Advertising for a year.第9页,本讲稿共21页He started to play chess at the age of five.He started to play chess when he was five.He has played the chess since he was five.He has played the chess for seven years.I sta
9、rted to work here 15 years ago.I have worked here since 15 years ago.I have worked here for 15 years.They moved to Paris two years ago.They have lived here for two years.They have lived here since two years ago.第10页,本讲稿共21页1.I bought the book two days ago.I have had the book for two days.2.He borrow
10、ed the book three months ago.He has kept the book since 3 months ago.3.I got to know Jane 2 years ago.I have known Jane for 2 years.4.I joined the League three years ago.I have been a League member for 3 years.Eg.第11页,本讲稿共21页巩固练习:(同义转换,每空一词)巩固练习:(同义转换,每空一词).Li Lei joined the Party three years ago.Li
11、 Lei joined the Party three years ago.Li Lei Li Lei the Party _ the Party _ three years ago.three years ago.Li Lei Li Lei the Party_ the Party_ three years.three years.three years three years Li Lei joined the Party.Li Lei joined the Party.Three years Three years Li Lei joined the Li Lei joined the
12、Party.Party.2.My father left Gucheng last week.2.My father left Gucheng last week.My father My father Gucheng Gucheng last week.last week.My father My father Gucheng Gucheng a week.a week.has been inhas been insincesincehas been inhas been inforforItIts ssincesincehas passed sincehas passed sincehas
13、 been away fromhas been away fromsincesincehas been away fromhas been away fromforfor第12页,本讲稿共21页3.The factory opened in 1996.3.The factory opened in 1996.The factory The factory ten years.ten years.The factory The factory since 1996.since 1996.4.His grandfather died five years ago.4.His grandfather
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