现在完成时Present perfect tense

现在完成时的概念 :1. 过去发生的动作对现在有影响。如： e.g.1 ） I have finished my homework. I can go to bed now.　 2 ） I have had breakfast. I am not hungry. 3) I’m sad now. My grandfather has died.4……

2. 表示过去发生的动作延续到现在，有可能继续下去。如：　 1 ） I have studied English for six years. 　 2 ） I have lived in Shenyang since 1990.

Eddie has lived with Millie since he was born.

Eddie has lived with Millie for four years.

presentPast

Past present4 years

一、现在完成时的构成have\has+ 过去分词 (done)1 现在完成时的肯定句句型 I/ You/ We/ They/ 名复 +have + 过去分词 He/She/ It/ 名单 +has + 过去分词2 现在完成时的否定句 主语 +have/has not+ 过去分词 +……3 现在完成时的一般疑问句Have\has + 主语 +…? Yes, 主语 +have\has. No, 主语 +have\has not. (haven’t\hasn’t).4 特殊疑问式 : 特殊疑问词 +have/has+ 主语 + 过去分词

1.I have done my homework already.

否定：

一般问句：

划线提问 :

cost-cut-hit-hurt-bring-build-burn-buy-catch-dream-feed-feel-fight-get-hear-

cost-costcut-cuthit-hithurt-hurtbrought-broughtbuilt-builtburned/burnt-…bought-boughtcaught-caughtdreamed/dreamt-…fed-fedfelt-feltfought-foughtgot-gotheard-heard

hold-have/has-keep-lay-learn-leave-lend-be-become-begin-blow-break-choose-come-do-

held-heldhad-hadkept-keptlaid-laidlearned/learnt-…left-leftlent-lentwas/were-beenbecame-becomebegan-begunblew-blownbroke-brokenchose-chosencame-comedid-done

draw-drink-drive-eat-fall-fly-forget-give-go-grow-hide-know-

drew-drawndrank-drunkdrove-drivenate-eatenfell-fallenflew-flownforgot-forgottengave-givenwent-gonegrew-grownhid-hiddenknew-known

Learn more about irregular verbs

过去分词的变化• Most verbs

• +ed travel\miss\land

• +d

move\live

• y 变 i+ed

study\hurry

• 双写 +ed stop\step\chat

• Irregular verbs

• 熟记 P121 不规则动词表

现在完成时的时间状语• 常与时间副词 already （已经） ， yet

（还、已经） ， just( 刚刚、仅仅 ) ， ever （曾经） ， never （从不） ， before（以前） recently( 最近，近来 ) 等连用。

• 注意句型 have\has not…+done…yet.

• Have\has…+done…yet?

• Not yet\ No, never.

1. I bought a new bag last month. （用 already 改写） ____________________________________2.He has already had lunch at home. （改一般疑） _______________________________?3.These American friends have visited our school. （改否） ___________________________________4. The boy has stood outside for half an hour. （提问） ________________________________5. John has been to the U.S.A a few times. （提问）

__________________________________

I have already bought a new a bag.

Has he had lunch at home yet

These Americans friends haven’t visited our school.

How long has the boy stood outside?

Where has John been a few times?

1.Have you done your homework ______? (for, just, yet)2.I have _______ been to Chengdu. (ever, never, yet)3.He has _______ washed the dishes. (already, ever, for)4.He has worked there _______ he left school. (already, just, since)5.Have you cleaned your room _______? (for, just, yet)6.She has known Sam _______ nine years. (for, never, since)7.Have you ______ ridden a horse? (ever, for, yet)8.They have ______ arrived. (ever, just, yet)9.We have not completed the project _______. (already, for, yet)

yet

neveralready

since

yetfor

everjust

yet

1)   He ___________ (wait) for an hour. 2)   I ________________ (not finish) the work yet. 3)   ___________ you ___________ (know) him since then? 4)  I ___________ (hear) from my brother recently. 5)   We ___________ (be) there many times in the past 3 years. 6)   How long ________ you__________ (stay) at home already? 7)    He ___________ (not read) the book before.

has waitedhaven’t finished

Have known

have heard

have been

have stayed

hasn’t read

8)    Her sister _________ (go) to Changchun. She______ (leave) this morning. 9)    He ___________ (live) in his hometown since he left here. 10)   The writer ______________ (finish) several story-books since 1990.

has goneleft

has lived

has finished

Practise:用括号中动词的适当形式填空1. He ___ (wait) for an hour. 2. I (not finish) the work yet.3. you (know) him since then?4. I ________ (hear) from my father recently.5. We ____ (be) there many times in the past 3 years.6. The dog ________ (die) since 3 days ago.7. They _____ (finish)the work so far.8. How long you ____ (stay) at home already?9. I ________ (not read) the book before.10. He just (do) it.11. My sister ____ (walk) to school every day last year.12. We ____ (have) an exam again sometime next week.13. By 2013, we __________ (plant) 2000 trees.14. Lucy _____ ___ (go) to Shanghai. She __ (leave)this morning. 15. Tom ___________ (buy) the bike for 2 years.

has waitedhaven’t finished

Have knownhave heard

have beenhas been dead

have finishedhave stayed

haven’t readhas done

walkedwill have

have plantedhas gone left

has had

用所给动词的正确形式填空 :1.I_______(mop) the floor already.2.I_______(not wash) the clothes yet.3.Tom isn’t here. He _________( go ） to the bank.4.The girl __________( not give) it to me yet.5.Tom and Jill ____ just _______( buy) some flowers.6.They_____ever_______(study) in the school.7.We____never_____(see) such an interesting film.8.My mother____ never _____( be) to Shanghai before.9.Mike_______(have) lunch already.10.Jill_______(meet) me yesterday afternoon.11.The first class ________already (begin ） .

have moppedhave

haven’t washed

Hass

has gone

has given

have bought

have studied

studied

have seen

has been

has had

met

has begun

1 I have already worked out this math problem? ( 改为否定句 ) I worked out the math problem ____ .2 He has already finished the book.( 改一般疑问句并做回答 ) ____he the book ____? Yes, he . No, he .4 I have got a book. ( 改一般疑问句并做肯定和否定回答 ) you a book? Yes, I . No, I .5 He has got a book. ( 改一般疑问句并做肯定和否定回答 ) he a book? yes, he .No, he_____.6. Millie has ever traveled to Beijing twice. _____Millie ____ ____ to Beijing? Yes,____ No.____ Millie ____ ____traveled to Beijing.() ____ ____ ____ ____Millie ____ to Beijing?6 You have done your homework, you ?( 改为反意疑问句 )7 He has never been abroad, he? ( 改为反意疑问句 )8 We have got little milk, we? ( 改为反意疑问句 )

haven’t yet

Has finished yet has hasn’t

Have got have haven’t

Has ever travelledhas never

How many times has ever been

句型转换：1.I’ve written a letter already. （否定句 . 一般问句）2.My daughter has flown her kite （ 2--8 划线部分提问） ____has ____daughter____?3.They have ever visited Zhalong Naturre Reserve. —— ——they ever visited?4. The Green family have taken over100 photos this year. ___ ___ ___have The Green family ___ this year?5.Miss Liu has been to Hangzhou twice. ___ ___ ___ ___Miss liu ___ to Hangzhou?6.David goes to the park twice a week.___ ___ ___ David ___ to the park?7.The police have stayed there for an hour. ___ ___ ___ the police ___ there?

改错：1.I have meet Mr Green yet.2.Tom have just telled a story.3.We have heared the talk already.4.Have your father bought a new car?5.He has just drink some milk.6.Have you lunch yet? 7.Jill has went to Dalian three times.8They have planted 20 trees just now.9.When have you see the film? Just now.10.They haven’t been to Guangdong already. 11.The police has return already.

翻译：1. 我已经看过这场电影。 (see)2 我爸刚刚买了台电脑。 (buy)3 警察已经抓住了那个小偷。 (catch ）4 他们已经去无锡了。 (go)5 我们刚刚喝了可乐。 (drink)6 那个小孩已吃了一碗米饭。 (eat) 他是半小时前吃的。7 我奶奶从没拍过照。 (take)8 昨天他们去天安门广场了。 (go)

动词填空： ( 先找出关键的时间或副词）1.So far, no man ___(travel) farther than the moon.2.I___(hear) from my parents recently.3.Tom with his friends ____( be) to Jiangyin many times.4.Hu Jingtao ____( visit) several countries this year.5.___your mother ____( write) to you yet ? Yes, she___.6.Look, the snow ____( stop). Let’s ___( make) a snowman.7.My family ___( travel) a few cities in recent years.8.Our city ___( change) a lot during the past few years.9.The twins ____( see) the film twice .10.What___you just ____( do) with the boy?11.We___(hold) five class meetings already.

综合练习 :( 找出关键词或时间）1.___you____(go) to Yunnan ?Yes ,I___. I ____( go) there last year.2.Tom____ （ not see) the doctor yet. He ____( see) him tomorrow.3.Mum____(drink) some milk already. She ____( drink) it 10 minutes ago.4.Nick____(eat) KFC once a week. Nick ____( read) the book once.5.The police_____ （ watch) the traffic this time yesterday.6.There____(be) great changes in our city during the past 7 years.7.Xiao Ming ____( sweep) the floor already. He ____(sweep) it 5 minutes ago.

9.My grandpa ___( carry ） water just now. The sun ___ just___ （ rise). Look,it ___( shine) brightly.10.____your uncle ever ____( drive) a car? No, he____.11.Sorry, I _____( forget) your telephone number. Will you let me know?12.Listen, the song ____( sound) wonderful. 13 The rain ___( stop). Let’s ___(play) basketball now.14.How many words ___ you___ ( learn) in the past few years?15.It____ （ not be) cold enough to wear warm clothes so far.16.___we__(have) a picnic this Wednesday? Good idea.17.The bell ____( ring) already.18.Great changes __( happen) here over the past 5 years.