Unit+1+Past+and+present1+Grammar课件【知识点睛+备课精研】 牛津译林版八年级英语下册

Unit1PastandpresentGrammarLearningaims

1.Learntousethepresentperfecttense.2.Knowtoformthepastparticiplesofregularandirregularverbs.3.Realizethedifferencebetweenthesimplepasttenseandthepresentperfecttense.HowlonghasMr.ChenlivedinSunshineTown?2.CanMr.Chenseehisoldfriendsasoftenasbefore?Hehaslivedheresincehewasborn.No.Becausemostofhisoldfriendshavemovedaway.Lead-inAskandanswerhave/has+done(动词过去分词)presentperfecttenseAstoryaboutEddie!pastpresent

Eddiewasborn

fouryearsago.Step1:现在完成时用法fouryearsago我们用现在完成时表示从过去持续到现在的动作或状态。

presentpastpastpresent4years

Eddiehaslived

withMilliesincehewasborn.EddiehaslivedwithMillie

forfouryears.我们用现在完成时表示已完成但对现在有一定影响的动作。presentpastHobotoldMillie:“Eddiehaseatenmyfood.”(EddieatethefoodandnowHobohasnothingtoeat.）PresentPerfectTense

(现在完成时态)基本结构:助动词have/has+动词的过去分词Workouttherule!Step2:现在完成时的构成We___________

(live)here

sincewewereborn.

for14years.havelivedStep2:现在完成时的构成We____________(study)heresince2016.for2years.havestudiedIhavewatchedtheTVshowmanytimes.HaveyouwatchedtheTVshow

manytimes?Yes,Ihave.No,Ihaven’t.He/Shehasn’twatchedthe

TVshowmanytimes.一般疑问句否定句肯定回答/否定回答PresentPerfectTense

(现在完成时)一般疑问式:将have/has提前到句首Workouttherule!

回答:肯定：否定：Yes,主语+have/has.No,主语+haven’t/hasn’t.PresentPerfectTense

(现在完成时)

否定式:

have/hasnot+动词的过去分词

Workouttherule!

haven’t/hasn’tExercises

(仿照例句看表格造句）Whohavedonehaven’tdoneWecleantheroomcleanthewindowseeafilmmakedinnerTheySheflytoBeijingvisittheGreatWallMyfather1.We____________theroombutwe_____________thewindow.2._______you________theroom?Yes,_______.________you________thewindow?No,__________.havecleanedhaven’tcleanedHavecleanedwehaveHavewehaven’tcleanedbuyfoodwatchBeijingOperamovelivelovelike动词的过去式和过去分词的构成:visitrepairwatchfinishvisitedvisited

repairedrepairedwatchedwatchedfinishedfinishedmovedmovedlivedlived

lovedloved

likedliked

verb＋ed以不发音的e结尾＋dStep3:过去分词的构成stopmoptrapplanstoppedstopped

moppedmoppedtrappedtrappedplannedplanned注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母＋ed双写＋edstudyhurrystudiedstudiedhurriedhurried去y＋ied注:以辅音字母加y结尾的词,去y＋ied.动词的过去式和过去分词的构成:过去分词的构成Typeoriginalp.tp.pcostcostcostcomecamecomerunranrungetgotgotcatchcaughtcaughtseesawseenforgetforgotforgottendrinkdrankdrunkgrowgrewgrowneatateeatenABBAAA

ABCABA不规则变化p0donatecatcheatseekeephavecomestopliveam/isbuildputTaskone:Playagame（说出所给动词的过去分词）1borrow2hope3make4get5plan6cry7send8watch9say10grow11hit12enjoy1borrow2hope3make4get5plan6cryborrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyedTasktwo:

FinishPartAonpage14（1）already“已经”，放在肯定句句中或句末；（2）yet放在疑问句句尾时，表示“已经”；放在否定句句尾时，表示“还(没，不)”step4.常用的时间状语及区别（3）ever

“曾经”，用于疑问句或否定句中；（4）never

“从来没有”，表示否定句中。（5）just

“刚刚”，用于陈述句中。（6）recently

“近来”，用于句末。(7)sofar“到目前为止”（8）before“之前”，用于句末（9）for+时间段（10）since+过去的时间或一般过去式的句子Taskone:用already或yet填空Hehas________visitedmany

placesinChina.2.Lilyhashadbreakfast___________.Hasshearrived_______?

Havetheycome________?

5.Thetrainhasn'tarrived__________.alreadyalreadyyetyet

yet注意"already"

在句中的两种位置.1.—Haveyou______seenthefilm?

—No.Ihave_______seenit.2.—Hasthebusleft_____?—Yes.Ithasleft________.No.Ithasn’tleft_______.

everneveryetalreadyyet选择already,yet,never,ever填空。

Tasktwo1They____________(finish)theirhomeworkalready.2John_____never______(visit)China.3Mr.Li____________(repair)overtenbicyclessinceMonday.4We___________(notsee)eachotherforyears.5Myparents___________(notcome)backyet.6Ourteacher___________(teach)usalotaboutthehistoryofChina.havefinishedhasvisitedhasrepairedhaven’tseenhastaughthaven’tcomeFinishPartBonpage14M:______you____(see)anyfilmsrecently,Sandy?S:No,I_______.Whataboutyou?M:I__________(see)onelastSaturday.S:What’sitabout?M:It’saboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I__________(learn)moreaboutBeijing’spastandpresent.S:Oh,IthinkI__________(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,I’dliketo.Haveseenhaven’tsawhavelearnthaveheardFinishPartConpage14simplepasttensevs.presentperfecttenseHowwelldoyouknowhim?Hestudiedatprimaryschool

from

2005

to2011.Hejoined

theTFboysfouryearsago.19992005201120132017He

was

bornin1999.bornprimaryschooljointheTFboysHe

was

bornin1999.Hestudiedatprimaryschool

from

2005

to2011.He

joined

theTFboysfouryearsago.常与一般过去时态连用的时间有：yesterday(morning/afternoon/evening),thedaybeforeyesterday,lastnight(week/month/year)(twodays/aweek/threeyears)ago,thismorningin(1990,October),theotherday,justnowsimplepasttense一般过去时我们用一般过去时谈论在过去某一时间里所发生的动作或存在的状态.Thedifferencesbetweenthesimplepasttenseandpresentperfecttensesimplepasttense一般现在时presentperfecttense现在完成时Definitions定义Forms构成Timeexpression时间状语ThingsthathappenedinthepastAnactionhappenedinthepastandcontinuestonow;Theresultofanaction;Howmanytimesanactionhappenedinthepast.pastform(过去式)have/has+pastparticiple（过去分词）yesterday,thedaybeforeyesterday,justnow,...lastyear/...,twoyears/...ago，in2008/...since,for,already,just,ever,never,yet,recently,once,twice,...,manytimes,in/during/overtheyears,sofar,tillnowTestyourselves!FinishPartAandBonp41I______(visit)thePalaceMuseumwithmygrandparentstheotherday.I________(climb)MountHuanglastSummer.visitedclimbed_____youever_____(try)thefamousTianjinBaozi?IamhappythatI___________(learn)toswim.

Havetried

havelearnt1.I________________(finish/just)myhomework.Millie________(finish)herhomework20minutesago.2.I______(write)anemailtomyfriendyesterday.Daniel_________________(write/already)twoemails.hasalreadywrittenhavejustfinishedwrotefinished3.I______(be)inHainanlastweek.Someofourclassmates_____________(notbe)toHainanyet.4.I__________(live)inSunshineTownsinceIwasborn.Daniel_____(live)inNanjingin2007.waslivedhavelivedhavenotbeenLevel1中考链接()1.HaveyoueverbeentoYangzhou?Yes.Lastmonth,I______there.A.havebeenB.wentC.willgoD.go()2.Julieandherfather______totheSlenderWestLaketwodaysago.They______theremanytimes.A.went;havebeenB.go;havebeenC.went;hasbeenD.havegone;are()3.Amumberoftourists_______Yangzhouoverthepastyears.A.havebeentoB.hasbeentoC.hasgonetoD.havegoneto()4.Iwonderwhenyou_________thenewwatch.Well,I______itfortwoweeks.A.havebought;havehadB.bought;haveboughtC.bought;havehadD.havebought;havebought()5.

Where

have

you_______

these

days?

I

have_______

to

Yangzhou

with

my

friends.

A.

been;

gone

B.

been;

been

C.

gone;

been

D.

gone;

gone

Level2用一般过去时或现在完成时完成下列句子。

1.Eric

__________(live)here

since

he

________(move)

to

Wuxi.2.He________(buy)

an

English

dictionary

yesterday.

3.Someone

____

just

_______(turn)

off

the

lights

in

the

room.4.Millie

________(see)

the

film

on

TV

last

night.5.They

_____________(learn)

English

for

nearly

ten

years.

haslivedmovedboughthasturnedsawhavelearntMillie:___________________(you/be/ever)toNanjing?Simon:Yes.I(2)____________(be)therethreetimes.Millie:When(3)____________(you/go)therelast?Simon:Lastsummer.I(4)______(spend)aweekthere.Millie:(5)____________(you/like)i