八年级下现在完成时的用法及练习.doc

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八年级下现在完成时的用法及练习.doc

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八年级下现在完成时的用法及练习.doc

一现在完成时

1.过去某一时间点发生的动作对现在产生影响。

2.过去某一时间点发生的动作持续到现在或还将持续下去。

二基本结构

have/has+done助动词(可以帮助构成肯定、疑问和否定句)

1.Hehascleanedhisroom.

(写一个一般疑问句)

2.ShehaslivedinLondonforfouryears.(划线部分提问)

3.HehasbeentoChina,________?

(写出反义疑问句部分)

4.Theyhavecomebackfromwork.(写否定句)

三Keywords

1.注意:

already用于肯定句,yet用于疑问句和否定句中

A:

______yourbrother______hishomeworkyet?

(finish)

B:

Yes,he‘salreadydoneit.

2.注意:

ever曾经用于疑问句中never从不带有否定意义

A:

_______youever_______tothepark?

(be)B:

No,never.

3.Just刚刚与现在完成时连用一般置句中Justnow刚才与一般过去时连用

I______just________thedesk,youcantakeittoyourclassroom.(mend)

4.since后面带过去时间或有一般过去时的句子

Tom___________inthefactorysinceheleftschooltenyearsago.(work)

5.for+一段时间

A:

Howlong______you________inthisschool?

(teach)B:

For6years.

6.sofarWe_______only____________100treessofar.(answer)

7.inthepast10yearshowlongtwice也可以是其他表示次数的词

Hehasboughtthebook.Hehasboughtthebookforaweek.

Hehashadthebookforaweek.Shehasboughtthecomputerfortwoyears.

HowlonghaveyoucometotheUnitedStatesAnnhasgonetoChinasincethreemonthsago.

例句1.Mybrotherhasjoinedthearmyforfiveyears.

2.IhaveleftShanghaifor3days.

3.Ihaveborrowedthedictionarysince3daysago.

4.Thefilmhasbegunfor10minutes

5.Theconcerthasfinishedforhalfanhour

6.Hisdoghasdiedfortwoyears.

四短暂性动词转换成延续性动词

Buy---have/hashadleave-----have/hasbeenaway

cometo---have/hasbeeninborrow-----have/haskept

goto-----have/hasbeeninbegin----have/hasbeenon

gotto-----have/hasbeeninfinish----have/hasbeenover

join----have/hasbeenindie---have/hasbeendead

have/hasbeenasoldier

五havegoneto去了某还没回来不与只用于第三人称

havebeento去过某地已经回来常与ever,never,once,twice,连用

havebeenin一直留在某地与for/since连用用howlong提问

1,。

Hersister_____________Australia,Sheleftthismorning.

2.A:

WhereisBob?

B:

He____________Japanwithhissister.

3.A:

Howlong____you_______China?

B:

I_________herefor3years.

4.A:

_____youever________thecity?

B:

No,never.

六.用所给动词的适当形式填空

1.I____already____(see)thefilm.I________(see)itlastweek.

2._____he____(finish)hisworktoday?

Notyet.

3.___you____(be)toHongKong?

Yes,I_____(be)theretwice.

4.He_______just______(finish)hishomework.

5._______theyoungwomanever_______(travel)toEngland?

6._______eachofyou_______(read)"Gonewiththewind"yet?

7.Haveyou_______(get)anynewCDs?

8.Myfamilyhavenever_______(be)toSanya.

9.They_______ever_______(eat)fishandchips.

10.I_______just_______(lose)mysciencebook.11.HasTom_______(finish)hiswork

12.Ihavealready_______(read)thisbook.13.Shehasn't_______(return)herbookyet.

14._________youever____(eat)chocolatesundaes?

No,never.

15.Myfather____just____(come)backfromwork.Heistirednow.

16.Where'sLiMing?

He__________(go)totheteacher'soffice.

17.Shanghai_____(be)asmalltownhundredsofyearsago.Nowit_________(become)alargecity.18.I____________(work)heresinceI___________(move)herein1999.

9.SofarI_______________(make)quiteafewfriendshere.

20.Howlong________theWangs______________(stay)here?

Fortwoweeks.

21.I________just___________(finish)myhomework.

22.____you____________(find)yoursciencebookyet?

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