仁愛英語七年級下冊語法講解一般現(xiàn)在時現(xiàn)在進(jìn)行時及一般過去時在英語中，不同時間發(fā)生的動作或存在的狀態(tài)要用不同的動詞形式來表現(xiàn)。每種時態(tài)的概念、信息詞、結(jié)構(gòu)、句式變化、以及某些時態(tài)間的相互區(qū)別重點掌握時態(tài)Tense第二頁，共32頁。動詞的類別（根據(jù)其在句中的功能）①Be動詞

am、is、are/was、were②助動詞（只能和主要動詞一起構(gòu)成各種時態(tài)，語態(tài)和語氣等動詞形式。）do、does/did/done③情態(tài)動詞（表示能力，義務(wù)，必要，猜測等說話人的語氣或情態(tài)。情態(tài)動詞只能和動詞原形一起構(gòu)成謂語動詞。）can、may、could、need、must、shoud④系動詞（后跟形容詞構(gòu)成系表結(jié)構(gòu)）look、taste、smell、feel、get、become⑤實義動詞（行為）動詞（有完整的詞義，并能單獨作謂語）及物動詞后面必須跟賓語buy,catch,invent,found,like,及物動詞后面必須跟賓語agree,go,work,listen,look,come,die,第三頁，共32頁。時態(tài)現(xiàn)在進(jìn)行時：一般現(xiàn)在時：一般過去時：現(xiàn)在正在進(jìn)行的動作

經(jīng)?；蛄?xí)慣性的動作或存在的狀態(tài)。過去某個時間或時間段發(fā)生的動作或存在的狀態(tài)。(ThePresentContinuousTense)(TheSimplePresentTense)(TheSimplePastTense)第四頁，共32頁。一般現(xiàn)在時表常常發(fā)生的動作或經(jīng)常存在的狀態(tài),常和always,often,usually,everyday,sometimes等表示時間的狀語連用.e.g.Igotoschooleveryday.Heisalwayslikethat.Wheredoyoulive?Whatdoyoudohere?一般現(xiàn)在時的構(gòu)成形式有:肯定句,疑問句,否定句,疑問否定式一般現(xiàn)在時第五頁，共32頁。第六頁，共32頁。第七頁，共32頁。動詞第三人稱單數(shù)的構(gòu)成：①直接加-s.play—plays，

want—wants，know—knows，help—helps②以s,x,ch,sh,o結(jié)尾加-es.guess—guesses

teach—teaches

brush—brushes，go—goes，

do—does，

watch—watches③以“輔音+y“結(jié)尾變y為i再加-es.study—studies，

carry—carries，

fly—flies，worry—worries第八頁，共32頁?，F(xiàn)在進(jìn)行時態(tài)表示正在進(jìn)行的動作,可和now,look,listen,atpresent,atthismoment,thesedays等時間詞連用.e.g.Whatareyoudoingnow,John?Whereareyoudoing?Thetelephoneisringing,wouldyouanswerit?I’mnotdoinganythingatpresent.Heiswritinganovelthesedays.現(xiàn)在進(jìn)行時的構(gòu)成形式有:肯定句,疑問句,否定句,疑問否定式現(xiàn)在進(jìn)行時第九頁，共32頁。第十頁，共32頁?，F(xiàn)在分詞的構(gòu)成：①直接加-ing.sleep---sleeping

study---studyingspeak---speaking

say---saying②重讀“輔元輔”結(jié)構(gòu)，雙寫尾字母加-ing.stop---stopping

sit---sittingrun---running

forget---forgetting③以e結(jié)尾去e加-ing.make---making

come---comingtake---taking

have---having④以ie結(jié)尾的動詞，把ie改為y，再加ingdie---dying

lie---lying第十一頁，共32頁。1.定義:

1)

表示過去某個時間發(fā)生的動作或存在的狀態(tài),常和表示過去的時間狀語(如yesterday,lastnight,in1990,twodaysago...)連用;2)也表示過去經(jīng)?；蚍磸?fù)發(fā)生的動作,常和表示頻度的時間狀語(如often,always…)連用。一般過去時第十二頁，共32頁。e.g.Myfatherwasatworkyesterdayafternoon.Healways

wenttoworkbybuslastyear.

Iwasbornin1990.Whatdidyoudoyesterday?TheywereinBeijingaweek

ago.Iplayedfootballlastnight.第十三頁，共32頁。2.句子構(gòu)成:“主語+動詞的過去式+其他”;系動詞be的過去時:am(is)→wasare→were陳述句:主語+be動詞的過去式+其他否定句:主語+be動詞的過去式+not+其他疑問句:be動詞的過去式+主語+其他?第十四頁，共32頁。eg：

MikewasintheUnitedStateslastyear.

Mikewasnot(wasn’t)intheUnitedStateslastyear.--WasMikeintheUnitedstates?

--Yes,hewas./No,hewasn’t.

Theywereathomeyesterday.注意:帶有be動詞的過去時的句子,一定要看清主語再正確選擇用was還是were.第十五頁，共32頁。2)行為動詞的一般過去時:陳述句:主語+動詞過去式+其它Igotothemovie.→Iwenttothemovie.否定句:主語+助動詞didn’t+動詞原形+其它Idon’tgotoschooltoday.→Ididn’tgotoschool.一般疑問句:Did+主語+動詞原形+其它Doyouhavebreakfast?→Didyouhavebreakfast?第十六頁，共32頁。我們在一般現(xiàn)在時中學(xué)過:當(dāng)謂語動詞為行為動詞時,在句子變成疑問句或否定句時,我們必須加上助動詞do或does,而在過去時中,我們借助did這個詞來完成。e.g.Heplayedfootballyesterday.Hedidn’tplayfootballyesterday.--Didheplayfootballyesterday?--Yes,hedid./No,hedidn’t.注意:在否定句或者疑問句中,有了助動詞did后,行為動詞要還原,不能再寫成過去式.第十七頁，共32頁。2.規(guī)則動詞過去時的變化規(guī)則第十八頁，共32頁。am,is—was

are—werego—went

do—didhave—had

come—cametake—took

say—saideat—ate

see—sawget—got

put—putsleep—sleptgive—gavewrite—wroteread—read動詞過去式的不規(guī)則變化/red/第十九頁，共32頁。各時態(tài)常用的信息詞現(xiàn)在進(jìn)行時：一般現(xiàn)在時:一般過去時:

now,Look!Listen!atthistimeWhereis…?Don’ttalk!It’s8:00am.

always,usually,often,sometimes,seldom,never,everyday,every…,threetimesaday

lastnight,last…,twodaysago,…ago,in1999,in+過去的年份,justnow=amomentago,yesterday,yesterdaymorning第二十頁，共32頁。判斷下列信息詞是屬于哪種時態(tài)

lastnightnoweverydayLook!yesterdayoftenListen!twoyearsagoalwaysin1897threetimesaweek

一般現(xiàn)在時一般過去時現(xiàn)在進(jìn)行時第二十一頁，共32頁。Heisateacher.你會了嗎？2.KangkangcomesfromChina.3.Iusuallytakethebustowork.4.Theyarehavingclasses.5.Janeplayedtheguitarlastnight.先（一般疑問句）再（否定句）Isheateacher?Heisn’tateacher.DoesKangkangcomefromChina?Kangkangdoesn’tcomefromChina.Doyouusuallytakethebustowork?Idon’tusuallytakethebustowork.Aretheyhavingclasses?Theyaren’thavingclasses.DidJaneplaytheguitarlastnight?Janedidn’tplaytheguitarlastnight.句型變化操練第二十二頁，共32頁。

have-look-begin-use-shop-get-dance-study-現(xiàn)在分詞第三人稱單數(shù)過去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-

havinglookingbeginningusingshoppinggetting

dancing

studying

studiesfinishes

hasgoes

does

playswatchesgives

neededstoppedhopedplayed

triedplannedvisited

liked詞形轉(zhuǎn)換第二十三頁，共32頁。用所給動詞的適當(dāng)形式填空。1.Listen!Mary_________(sing)now.2.Ayoungman__________(run)ontheplaygroundnow.3.Mymother_________(watch)TVplayeveryday.4.OldBush________(visit)Chinaagainlastmonth.5.I______(play)sportsthreetimesaday.6.Look!LucyandLily__________(read)books.7.There_______(is)afootballmatchyesterdayafternoon.8.Ourclass______(go)tothezoothreedaysago.

issinging

isrunning

watches

visited

play

arereading

was

went第二十四頁，共32頁。Let’scorrect:Igoestoschoolatsixeveryday.Hedon’tlikeplayingfootball.3.Theylikesplayinggames.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.WhatdotheyonSunday?7.Tonygoes

alwaystoschoolateighto’clock.8.Whattheyeatintheparty?9.Lilyhaveslunchatschool.

10.Whatdohisparentsusuallygiveshim?godoesn’tlikewatcheshavedohasgivedo第二十五頁，共32頁。時態(tài)大比拼Shegotupatseveno'clockyesterday.（用now改寫）Sheisgettingupnow.（用everyday改寫）Shegetsupatseveno'clockeveryday.時態(tài)大比拼第二十六頁，共32頁。時態(tài)大比拼Look！Tomiscleaninghisroom.（用onweekends改寫）Tomcleanshisroomonweekends.（用twohoursago改寫）Tomcleanedhisroomtwohoursago.第二十七頁，共32頁。Iusuallywashmyclothesintheafternoon.(用now改寫)