现在完成时的定义现在完成时的基本句型动词的过去分词课件

第一课时现在完成时的定义现在完成时的基本句型动词的过去分词第一课时现在完成时的定义1现在完成时ThePresentPerfectTense定义：①表示过去发生或已经完成的某一动作对现在造成的影响或结果。Ihaveopenedthewindowalready.(Thewindowisopennow.)②表示开始于过去并持续到现在的动作或状态。MygrandmahaslivedinZhangzhouforfortyyears.LiPinghaslearnedEnglishforthreeyears,sohecanspeakEnglishwell.现在完成时ThePresentPerfectTen2WeTheyYou复数主语2.基本句型：主语+助动词have/has+动词过去分词doneSheHeIt单数主语

+hasdone…+havedone…We2.基本句型：主语+助动词have/has+33.动词过去式和过去分词的构成规则规则变化：原形--过去式--过去分词allow–allowed--allowed

look–looked--lookedaccept--accepted--accepted直接加ed原形--过去式--过去分词refuse--refused--refuseduse--used--used

lived--lived--lived以不发音的e结尾的动词直接加d3.动词过去式和过去分词的构成规则规则变化：原形4原形--过去式--过去分词tidy--tidied--tidiedstudy--studied--studied以辅音加y结尾的动词，把y改为ied原形--过去式--过去分词chat--chatted--chattedstop--stopped--stoppedprefer--preferred--preferred以重读闭音节结尾的动词，双写辅音字母再加ed原形--过去式--过52.不规则变化：cost

cut

hit

hurt

letAAB型costcostcutcuthithithurthurtletletAAA型原形--过去式--过去分词beat原形--过去式--过去分词beatbeaten2.不规则变化：cost

cut6become

comerun原形--过去式--过去分词ABA型ABB型原形--过去式--过去分词broughtbrought

boughtboughtthoughtthoughtcaughtcaughttaughttaughtbring

buy

think

catch

teach

becamebecomecamecomeranrunbecome

come原形7was/werebeendiddonewentgonebeganbegundrankdrunkrangrungsangsungswamswumABC型原形--过去式--过去分词bedo/doesgobegin

drink

ring

sing

swimwas/werebeenABC型8句型练习：1.她已经解答出那道数学题了。Shehasworkedoutthemathproblem.2.我已经做完作业了。现在我可以看电视了。Ihavefinisheddoingthehomework.NowIcanwatchTV.3.我已经告诉她那个好消息了,她感到很高兴。Ihavetoldherthegoodnews,andshefeelsveryhappy.肯定句：主语+have/has+done…句型练习：Shehasworkedoutthema9否定句:主语+haven’t/hasn’t+done…Shehasworkedoutthemathproblem.否定句：Shehasn’tworkedoutthemathproblem.Theyhavehadsomebread.否定句：Theyhaven’thadanybread.否定句:主语+haven’t/hasn’t+done10一般疑问句:Have/Has+主语+done…?肯定回答：Yes,主语+have/has.否定回答：No,主语+haven’t/hasn’t.Wehavefinishedthework.一般疑问句：肯定回答：否定回答：Haveyoufinishedthework?Yes,wehave.No,wehaven’t.Tomhascomebackhome.一般疑问句：肯定回答：否定回答：HasTomcomebackhome?Yes,hehas.No,hehasn’t.一般疑问句:Have/Has+主语+done…?We11课堂练习：他们已经到达学校了。肯定句：改为否定句：改为一般疑问句：肯定回答：2.康康已经读过那本书了。肯定句：改为否定句：改为一般疑问句：否定回答：Theyhavearrivedatschool.Theyhaven’tarrivedatschool.Havetheyarrivedatschool?Yes,theyhave.Kangkanghasreadthebook.HasKangkangreadthebook?Kangkanghasn’treadthebook.No,hehasn’t.课堂练习：他们已经到达学校了。Theyhavearriv12第二课时复习have/hasbeentoVS

havebeen/hasgoneto3.yet,already,ever等词的使用第二课时复习13Review说出下列动词的过去式及过去分词形式。be(am/is/are)begincomedodrinkfindtakeworkpayseewritehit

was/werebeenbeganbeguncamecomediddonedrankdrunkfoundfoundtooktakenworkedworkedpaidpaidsawseenwrotewrittenhithitReview说出下列动词的过去式及过去分词形式。be(a14carrychatflysaycostlikeusewatchchangeleave

carried

carried

chatted

chatted

flew

flown

said

said

cost

cost

liked

liked

used

used

watched

watched

changed

changed

left

leftcarrycarriedcarri15Review按要求完成下列句子。我吃过晚饭了。Ihavehaddinner.2.他知道那个消息了。他感到非常兴奋。Hehasknownthenews.Hefeelsveryexcited.3.这些天你有看到李老师吗？没，他去北京了。HaveyouseenMr.Lithesedays?No,hehasgonetoBeijing.4.以前他们曾经去过古巴。TheyhavebeentoCubabefore.Review按要求完成下列句子。16Attention!

have/hasbeento和have/hasgoneto的区别

have/hasbeento表示“曾经到过某地”，暗示人已经回来了，而have/hasgoneto表示“已经去某地了”，暗示人不在说话地点。HehasbeentoShanghai.他去过上海。（已经回来）HehasgonetoShanghai.他已经去上海了。（还没回来）Attention!have/hasbeento17Exercise:Fillintheblankswithhave/hasbeento

orhave/hasgonetoA:Hi,WangWei.Nicetoseeyouagain.B:Hi,Jack.Nicetoseeyou,too.A:WangWei,where_____you______?B:I_______________Jiuzhaigou.A:Didyouenjoyyourselfthere?B:Yes,Idid.Bytheway,whereisTom?Ididn’tseehimtoday.A:Well,he_____________Fuzhou.B:Howsoonwillhecomeback?A:Intwodays.

havebeen

havebeento

hasgonetoExercise:Fillintheblankswi181.just---刚刚,刚才；一般用于肯定句中她刚刚看过新闻。Shehasjustwatchedthenews.justalreadyyeteverneverbefore用法have/hasjustdone…2.already---已经；多用于肯定句中他们已经看过这部电影了。Theyhavealreadyseenthisfilm.1.just---刚刚,刚才；一般193.yet---已经，尚、还；多用于否定句或疑问句句末Havetheyfinishedtheirhomeworkyet?No,theyhaven’tfinishedhomeworkyet.或简单回答成:No,notyet.justalreadyyeteverneverbefore用法4.ever---曾经；表示到现在为止的任何时候，多用于疑问句中

你曾经去过北京吗？HaveyoueverbeentoBeijing?3.yet---已经，尚、还；多用于否定句或205.never---未曾，从来没有；否定词，用于现在完成时表示以前从未做过某事6.before---以前；指过去某个时间点之前所发生的事，用于完成时

以前我从未见过你。Ihaveneverseenyoubefore.他从未读过那本小说。Hehasneverreadthatnovel.justalreadyyeteverneverbefore用法5.never---未曾，从来没有；否定词，用于现在21Fillintheblankswith:already/yet/ever/never/just/before---Haveyou______visitedtheGreatWall?---Yes,manytimes.2)---Hurryup!Hehas_______waitedforusfortwohours.3)Whenyouarrive,Tomhas______left.4)Ihave_______seensuchaninterestingfilm_______.5)---Haveyouwateredtheplants_______?---Yes,Ihave.

ever

already

just

never

before

yetFillintheblankswith:alre22第三课时since,for的使用短暂性动词与延续性动词的转换现在完成时态与一般过去时态的区别第三课时since,for的使用23现在完成时(三)一、现在完成时表示从过去某一时刻延续到现在的动作或状态，常与for,since(自从）引导的状语连用。

e.g.:Hehaslivedinthecityforfortyyears.他住在这座城市已经40年了。HehaslearnedEnglishsince1990.自从1990年，他就一直在学英语。现在完成时(三)一、现在完成时表示从过去某一时刻延续到现在的24for+时间段

since+时间点\时间段+ago

从句（过去时态）

twohoursayearthreemonthsseveralweeks

oneo’clock2019lastmonthyesterdayhalfanhouragohearrived.

forsincefor+时间段

25Exercise:Fillintheblankswithfor

orsince.Shehaslivedinthiscity_______fiveyears.Ihavetaughtintheschool_______tenyearsago.Theoldmanhasbeenill________lastmonth.TheboyhaswatchedTV______anhour.Hehasbeenadoctor________2019.Mr.Yanghasworkedinthefactory_______hemovedthere.

for

since

since

for

since

sinceExercise:Fillintheblankswi261.针对since+时间点/for+时间段的提问用howlong.Thebabyhassleptfornineandahalfhours.

Howlonghasthebabyslept?Mymotherhasworkedinthisfactorysince1990.

Howlonghasyourmotherworkedinthisfactory?Attention!1.针对since+时间点/for+时间段的提问用how27Attention!2.for+时间段与since+时间点常可进行替换。HehaslivedinZhangzhouforsixyears.=HehaslivedinZhangzhousincesixyearsago.Ihavebeenbacksincelastweek.=Ihavebeenbackforoneweek.Attention!2.for+时间段与since+28二、在现在完成时态中，短暂性动词不能与表示一段时间的状语(for…,since…)连用。如：Ihaveboughtthenewbike.Ihaveboughtthenewbikefortwodays.√×当它需要与表示一段时间的状语连用时，通常要进行转换。如：Ihavehadthenewbikefortwodays.常见的词有：二、在现在完成时态中，短暂性动词不能与表√×当它需29

leave—beaway(from),

borrow—keep,

buy—have,

die—bedead,

begin/start—beon,

join—beamemberof…/beinbecome—be,

fall

ill—beill短暂性V.与延续性V.的互换leave—beaway(from),短暂性V.与30

come\arrive----be

open----beopen

close---beclosed

lose---haven’thad

die---bedeadcome\arrive----be311.HeleftChinaforAustraliain2019.He__________________Chinasince2019.2.Heborrowedthebooklastweek.He___________thebookforoneweek.3.Hisgrandpadied

threeyearsago.Hisgrandpa_____________forthreeyears.4.Thefilmbegan

at8:00p.m.Thefilm_____________since8:00p.m.Exercise:hasbeenawayfromhaskepthasbeendeadhasbeenon1.HeleftChinaforAustralia325.Shebecameadoctorin2019.She___________adoctorsince2019.6.Theyoungmanjoinedthearmylastyear.Theyoungman_____________________thearmysincelastyear.Theyoungman____________thearmysincelastyear.7.Thegirlfellill

twodaysago.Thegirl____________fortwodays.hasbeenhasbeenamemberofhasbeeninhasbeenill5.Shebecameadoctorin201933三、现在完成时态与一般过去时态的区别现在完成时表示过去发生或已经完成的某一动作对现在造成的影响或结果，强调的是现在的情况，而一般过去时表示过去的动作或状态，强调的是过去的情况。如：HehaslivedinXiamensince2000.2000年一来他一直住在厦门。

（强调现在还住在那里）HelivedinXiamenin2000.2000年他住在厦门。

（不涉及他现在是否还住在那里）三、现在完成时态与一般过去时态的区别34Exercise:用所给词的适当形式填空。John______(go)toShanghailastweek.Tina________(be)inFuzhousincelastweek.He_______(visit)hisuncleyesterday.Maria________(wake)upveryearlythismorning.I_____________(stay)athomesinceyesterday.She_____________(listen)tomusicforhalfanhour.I_________(have)dinner.NowIdon’twanttoeatanythingelse.8.Mr.Li______(begin)toworkin2019.He_________(work)inthishospitalsincethen.

went

hasbeen

visited

woke

havestayed

haslistened

havehad

began

hasworkedExercise:用所给词的适当形式填空。wenth35第一课时现在完成时的定义现在完成时的基本句型动词的过去分词第一课时现在完成时的定义36现在完成时ThePresentPerfectTense定义：①表示过去发生或已经完成的某一动作对现在造成的影响或结果。Ihaveopenedthewindowalready.(Thewindowisopennow.)②表示开始于过去并持续到现在的动作或状态。MygrandmahaslivedinZhangzhouforfortyyears.LiPinghaslearnedEnglishforthreeyears,sohecanspeakEnglishwell.现在完成时ThePresentPerfectTen37WeTheyYou复数主语2.基本句型：主语+助动词have/has+动词过去分词doneSheHeIt单数主语

+hasdone…+havedone…We2.基本句型：主语+助动词have/has+383.动词过去式和过去分词的构成规则规则变化：原形--过去式--过去分词allow–allowed--allowed

look–looked--lookedaccept--accepted--accepted直接加ed原形--过去式--过去分词refuse--refused--refuseduse--used--used

lived--lived--lived以不发音的e结尾的动词直接加d3.动词过去式和过去分词的构成规则规则变化：原形39原形--过去式--过去分词tidy--tidied--tidiedstudy--studied--studied以辅音加y结尾的动词，把y改为ied原形--过去式--过去分词chat--chatted--chattedstop--stopped--stoppedprefer--preferred--preferred以重读闭音节结尾的动词，双写辅音字母再加ed原形--过去式--过402.不规则变化：cost

cut

hit

hurt

letAAB型costcostcutcuthithithurthurtletletAAA型原形--过去式--过去分词beat原形--过去式--过去分词beatbeaten2.不规则变化：cost

cut41become

comerun原形--过去式--过去分词ABA型ABB型原形--过去式--过去分词broughtbrought

boughtboughtthoughtthoughtcaughtcaughttaughttaughtbring

buy

think

catch

teach

becamebecomecamecomeranrunbecome

come原形42was/werebeendiddonewentgonebeganbegundrankdrunkrangrungsangsungswamswumABC型原形--过去式--过去分词bedo/doesgobegin

drink

ring

sing

swimwas/werebeenABC型43句型练习：1.她已经解答出那道数学题了。Shehasworkedoutthemathproblem.2.我已经做完作业了。现在我可以看电视了。Ihavefinisheddoingthehomework.NowIcanwatchTV.3.我已经告诉她那个好消息了,她感到很高兴。Ihavetoldherthegoodnews,andshefeelsveryhappy.肯定句：主语+have/has+done…句型练习：Shehasworkedoutthema44否定句:主语+haven’t/hasn’t+done…Shehasworkedoutthemathproblem.否定句：Shehasn’tworkedoutthemathproblem.Theyhavehadsomebread.否定句：Theyhaven’thadanybread.否定句:主语+haven’t/hasn’t+done45一般疑问句:Have/Has+主语+done…?肯定回答：Yes,主语+have/has.否定回答：No,主语+haven’t/hasn’t.Wehavefinishedthework.一般疑问句：肯定回答：否定回答：Haveyoufinishedthework?Yes,wehave.No,wehaven’t.Tomhascomebackhome.一般疑问句：肯定回答：否定回答：HasTomcomebackhome?Yes,hehas.No,hehasn’t.一般疑问句:Have/Has+主语+done…?We46课堂练习：他们已经到达学校了。肯定句：改为否定句：改为一般疑问句：肯定回答：2.康康已经读过那本书了。肯定句：改为否定句：改为一般疑问句：否定回答：Theyhavearrivedatschool.Theyhaven’tarrivedatschool.Havetheyarrivedatschool?Yes,theyhave.Kangkanghasreadthebook.HasKangkangreadthebook?Kangkanghasn’treadthebook.No,hehasn’t.课堂练习：他们已经到达学校了。Theyhavearriv47第二课时复习have/hasbeentoVS

havebeen/hasgoneto3.yet,already,ever等词的使用第二课时复习48Review说出下列动词的过去式及过去分词形式。be(am/is/are)begincomedodrinkfindtakeworkpayseewritehit

was/werebeenbeganbeguncamecomediddonedrankdrunkfoundfoundtooktakenworkedworkedpaidpaidsawseenwrotewrittenhithitReview说出下列动词的过去式及过去分词形式。be(a49carrychatflysaycostlikeusewatchchangeleave

carried

carried

chatted

chatted

flew

flown

said

said

cost

cost

liked

liked

used

used

watched

watched

changed

changed

left

leftcarrycarriedcarri50Review按要求完成下列句子。我吃过晚饭了。Ihavehaddinner.2.他知道那个消息了。他感到非常兴奋。Hehasknownthenews.Hefeelsveryexcited.3.这些天你有看到李老师吗？没，他去北京了。HaveyouseenMr.Lithesedays?No,hehasgonetoBeijing.4.以前他们曾经去过古巴。TheyhavebeentoCubabefore.Review按要求完成下列句子。51Attention!

have/hasbeento和have/hasgoneto的区别

have/hasbeento表示“曾经到过某地”，暗示人已经回来了，而have/hasgoneto表示“已经去某地了”，暗示人不在说话地点。HehasbeentoShanghai.他去过上海。（已经回来）HehasgonetoShanghai.他已经去上海了。（还没回来）Attention!have/hasbeento52Exercise:Fillintheblankswithhave/hasbeento

orhave/hasgonetoA:Hi,WangWei.Nicetoseeyouagain.B:Hi,Jack.Nicetoseeyou,too.A:WangWei,where_____you______?B:I_______________Jiuzhaigou.A:Didyouenjoyyourselfthere?B:Yes,Idid.Bytheway,whereisTom?Ididn’tseehimtoday.A:Well,he_____________Fuzhou.B:Howsoonwillhecomeback?A:Intwodays.

havebeen

havebeento

hasgonetoExercise:Fillintheblankswi531.just---刚刚,刚才；一般用于肯定句中她刚刚看过新闻。Shehasjustwatchedthenews.justalreadyyeteverneverbefore用法have/hasjustdone…2.already---已经；多用于肯定句中他们已经看过这部电影了。Theyhavealreadyseenthisfilm.1.just---刚刚,刚才；一般543.yet---已经，尚、还；多用于否定句或疑问句句末Havetheyfinishedtheirhomeworkyet?No,theyhaven’tfinishedhomeworkyet.或简单回答成:No,notyet.justalreadyyeteverneverbefore用法4.ever---曾经；表示到现在为止的任何时候，多用于疑问句中

你曾经去过北京吗？HaveyoueverbeentoBeijing?3.yet---已经，尚、还；多用于否定句或555.never---未曾，从来没有；否定词，用于现在完成时表示以前从未做过某事6.before---以前；指过去某个时间点之前所发生的事，用于完成时

以前我从未见过你。Ihaveneverseenyoubefore.他从未读过那本小说。Hehasneverreadthatnovel.justalreadyyeteverneverbefore用法5.never---未曾，从来没有；否定词，用于现在56Fillintheblankswith:already/yet/ever/never/just/before---Haveyou______visitedtheGreatWall?---Yes,manytimes.2)---Hurryup!Hehas_______waitedforusfortwohours.3)Whenyouarrive,Tomhas______left.4)Ihave_______seensuchaninterestingfilm_______.5)---Haveyouwateredtheplants_______?---Yes,Ihave.

ever

already

just

never

before

yetFillintheblankswith:alre57第三课时since,for的使用短暂性动词与延续性动词的转换现在完成时态与一般过去时态的区别第三课时since,for的使用58现在完成时(三)一、现在完成时表示从过去某一时刻延续到现在的动作或状态，常与for,since(自从）引导的状语连用。

e.g.:Hehaslivedinthecityforfortyyears.他住在这座城市已经40年了。HehaslearnedEnglishsince1990.自从1990年，他就一直在学英语。现在完成时(三)一、现在完成时表示从过去某一时刻延续到现在的59for+时间段

since+时间点\时间段+ago

从句（过去时态）

twohoursayearthreemonthsseveralweeks

oneo’clock2019lastmonthyesterdayhalfanhouragohearrived.

forsincefor+时间段

60Exercise:Fillintheblankswithfor

orsince.Shehaslivedinthiscity_______fiveyears.Ihavetaughtintheschool_______tenyearsago.Theoldmanhasbeenill________lastmonth.TheboyhaswatchedTV______anhour.Hehasbeenadoctor________2019.Mr.Yanghasworkedinthefactory_______hemovedthere.

for

since

since

for

since

sinceExercise:Fillintheblankswi611.针对since+时间点/for+时间段的提问用howlong.Thebabyhassleptfornineandahalfhours.

Howlonghasthebabyslept?Mymotherhasworkedinthisfactorysince1990.

Howlonghasyourmotherworkedinthisfactory?Attention!1.针对since+时间点/for+时间段的提问用how62Attention!2.for+时间段与since+时间点常可进行替换。HehaslivedinZhangzhouforsixyears.=HehaslivedinZhangzhousincesixyearsago.Ihavebeenbacksincelastweek.=Ihavebeenbackforoneweek.Attention!2.for+时间段与since+63二、在现在完成时态中，短暂性动词不能与表示一段时间的状语(for…,since…)连用。如：Ihaveboughtthenewbike.Ihaveboughtthenewbikefor