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四大时态
四大时态
一般现在时
知识要点:
一、一般现在时的概念:
1、表示经常性的动作或现在的状态。
例:
Hegetsupatsixeverymorning.
Theboyisill.
2、表示现在的能力、特征、职业等。
例:
Shedanceswell.
MymotherteachesEnglish.
3、表示普遍真理或客观事实。
例:
Summercomesafterspring.
Thesunrisesintheeast.
二、一般现在时的结构:
1、句式结构:
主语+谓语动词(动词原型或动词第三人称单数)+其他成分
例:
Igotoschoolbybike.
Shegoestoschoolbybus.
三、动词第三人称单数变化规则:
1、一般在动词后加s
例:
play-playsswim-swimsjump-jumps
2、以s,x,ch,sh,o结尾的单词加es
例:
guess-guessesmix-mixeswatch-watches
wash-washesgo-goesdo-does
3、以辅音加y结尾的单词,去y为i再加es
例:
fly-fliesworry-worriescarry-carries
注意:
have的第三人称单数是has
四、一般现在时的用法:
1、一般现在时常常与always,often,usually,sometimes,never
everyday,everyweek,everyyeas等连用。
例:
Healwaysgoestoschoolonfoot.
Ioftenhavelunchathome.
Shedoesherhomeworkathomeeveryday.
2、一般现在时的一般疑问句结构。
Do/Does+主语+谓语(动词原型)+其他成分+问号
例:
Doyouworkinahospital?
Doesshegotoschoolbybike?
3、一般现在时的否定句结构。
主语+don't/doesn't+谓语(动词原型)+其他成分。
例:
Idon'tworkinahospital.
Shedoesn'tgotoschoolbybike.
典型例题:
例1.单项选择:
---WheredoesMr.Lee______?
---He______intheUSA.
A.live,liveB.lives,livesC.lives,liveD.live,lives
例2.单项选择:
TheSmiths______tothecinemaonSundays.
A.goesB.togoC.goD.going
例3.根据提示补充句子:
Marry______(go)toschoolatsixinthemorning.
例4.句型转换:
Theyareplayingbasketballontheplaygroundnow.(用often替换now)
___________________________________________________
例5.改错:
MysisteroftenteachingmeChinese.___________
ABCD
专项练习:
一、写出下列动词的但三人称单数形式。
1.make______2.do______3.pass______4.watch______
5.buy_______6.fly_____7.play______8.carry______
9.wash______10.go_____11.have______12.get_______
13.sing_____14.dance_____15.getup_____16.turnon______
二、单项选择。
()1.Healways_____dinnerathalfpastsix.
A.eatB.eatsC.eating
()2.Myfathernever_____hisclothes.
A.washB.washingC.washes
()3.Mybrother_____hard.
A.studiesB.studyC.studys
()4.Doesyourmother_____TVonSundays?
A.watchB.watchesC.watching
()5.Canjohn_____Chinese?
A.readB.readsC.reading
()6.Tomdoesn't_____anymoneynow.
A.hasB.havingC.have
()7.Whatdoesyourmother_____?
A.doingB.doC.does
()8._____youoftenwatchTVathome?
A.DoesB.AreC.Do
三、用所给动词的正确形式填空。
1.Thebat_______(like)sleepinginthedayand_____(fly)outforfoodatnight.
2.---WheredoesMr.Lin______(live)?
---He______(live)inChina.
3.Mymotheralways_______(do)somewashingaftermeals.
4.Thetwins_______(wear)apairofglasseseveryday.
5.Aplanealways_______(fly)highinthesky.
6.Hisgrandpausually_______(get)upearlyinthemorning.
7.TheGreens_______(have)apicnicintheparksometimes.
8._______(do)yourfatherworkinaschool?
9.Ioften_______(play)footballatschool.
10.Thetwowriters_______(visit)eachotheronceayear.
四、把下列陈述句变成一般疑问句,然后作肯定回答。
1.Shegoestoschoolbybus.
___________________________________________
2.Theyliveinthishouse.
___________________________________________
3.Johnhasanewshirt.
___________________________________________
4.MysisterknowsLily.
___________________________________________
5.HespeaksEnglish.
___________________________________________
五、把以下陈述句变成否定句。
1.Igotoworkbycar.
I____________toworkbycar.
2.Shelikesthesetoys
She____________thesetoys.
3.Mr.Leehaslunchattwoo'clock.
Mr.Lee____________lunchattwoo'clock.
4.TheSmithsgototheparkbycar.
TheSmiths____________toparkbycar.
5.Mybrotherdoeshishomeworkathomeeveryday.
Mybrother____________hishomeworkathomeeveryday.
现在进行时
知识要点:
一、现在进行时的概念:
现在进行时表示现在进行或发生的动作,通常与时间状语now,look,listen,atthemoment等连用。
例:
Heisdoinghishomeworknow.
Look!
Theyareflyingkites,
Listen!
Sheissinging.
二、现在进行时的结构:
句式结构:
主语+be动词+现在分词(ing形式)+其他成分
例:
Iamdoingdishesnow.
三、动词现在分词变化规则:
1.一般情况在动词后加ing
例:
work-workingread-readinglook-looking
2.以不发音的e结尾的动词去掉e,再加ing
例:
take-takingmake-makingwrite-writing
3.以重读闭音节结尾且末尾只有一个字母,应双写这个字母,再加ing
例:
run-runningswim-swimmingget-getting
4.以ie结尾的动词,将ie改为y再加ing
例:
lie-lyingdie-dying
四、现在分词的用法:
1.be动词应随人称的变化而变化,请熟记以下口诀:
我用am,你用are,is用在他、她、它,复数都用are
例:
IamwatchingTVnow.
Look!
Peterissleeping.
Listen!
Theyaresingingintheclassroom.
TomandJackarereadingnow.
2.现在进行时变一般疑问句形式:
将be动词提前,主语为第一人称改为第二人称并加问号。
例:
TheyaresinginganEnglishsongnow.
AretheysinginganEnglishsongnow?
肯定回答:
Yes,theyare.否定回答:
No,theyarenot(aren’t).
Iamwritingaletter.
Areyouwritingaletter?
肯定回答:
Yes,Iam.否定回答:
No,Iamnot.
3.现在进行时变否定句形式:
直接在be动词后加not.
例:
Theyarerunning.Theyarenot(aren’t)running.
SheiswatchingTVnow.Sheisnot(isn’t)watchingTVnow.
注意:
amnot没有缩写形式。
典型例题:
例1.单项选择:
Theyare______tohaveapicnicnow.
A.planningB.planeingC.planesD.planed
例2.单项选择:
Listen!
Someone______isthenextroom.
A.singsB.singingC.aresingingD.issinging
例3.改错:
Heisrunsatthemoment._________
ABCD
例4.改错:
Theyworkingintheschoolnow.________
ABCD
例5.补充句子:
---What______they______(do)intheclassroom?
---They______(sing).
专项练习:
一、写出下列动词的ing形式。
1.learn_______2.live_______3.sing________4.drink_______
5.make_______6.swim_______7.listen_______8.begin_______
9.get_______10.cut_______11.take_______12.visit_______
13.lie_______14.run_______15.put________16.wait_______
二、单项选择。
()1.---Isyourmother______theroom?
---Yes,sheis.
A.cleansB.cleaningC.cleaned
()2.______yourclassmatesplayinggames?
A.AmB.isC.are
()3.Mysister______herhomeworknow.
A.doingB.isdoingC.isdo
()4.He______climbingmountains.
A.amnotB.isn’tC.aren’t
()5.What______you______now?
A.am,doingB.is,doingC.are,doing
()6.Whatishe______?
A.isdoingB.aredoingC.doing
()7.It’stwelveo’clock.TheSmiths______lunchattable.
A.havingB.arehavingC.haveing
()8.What______shedoing?
A.amB.isC.are
()9.Thegirlis______akite.
A.flyingB.flingC.fliing
()10.Lilylikes______.
A.skingB.skiC.skiing
三、用所给动词的正确形式天空。
1---______Jimdoinghishomeworknow?
---Yes,he______(be).
2.Mymother______(cook)dinnerinthekitchennow.
3.She______(go)toschoolbybuseveryday.
4.---What______you______(do)?
---I______(watch)TV.
5.It’ssixo’clock.Thefamily______(have)dinnernow.
6.KateandRose______(clean)thewindowatthemoment.
7.Look!
ChenJie______(dance)overthere.
8.Thechildren______(play)ontheplaygroundnow.
四、句型练习。
1.Iamworkinginafactory.(改为一般疑问句)
__________________inafactory?
2.Marryismakingpaperboat.(划线部分提问)
_______________________________________
3.Dianaissinginginthatroom.(改为否定句)
Diana____________inthatroom.
4.Iamwaitingforabus.(划线部分提问)
________________________________________
5.Isshegoingtoschoolnow?
(改为肯定句并作否定回答)
_____________________________________________
6.Linda’sfatherisreadingnewspaper.(划线部分提问)
________________________________________________
7.LilyandLucyarelisteningtomusicinthebedroom.(划线部分提问)
__________________________________________________________
8.Allthechildrenarehavingapicnic.(划线部分提问)
___________________________________________________________
一般将来时
知识要点:
一、一般将来时的概念:
一般将来时表示将来打算发生的动作,常伴随的时间状语有:
tomorrow,thedayaftertomorrow,nextweek,nextyear,afterclass,afterschool,inthefuture等
例:
IamgoingtoBeijingtomorrow.
Itwillrainthedayaftertomorrow.
Heisgoingtopayfootballafterschool.
二、一般将来时结构“
句式结构:
主语+will(begoingto)+动词原形+其它成分。
注意:
be动词必须要随主语的变化而变化
例:
Iamgoingto…Sheisgoingto…
Wearegoingto…Theyaregoingto…
三、一般将来时的用法:
1.一般将来时的一般疑问句,将助动词will放句首;begoingto+动词原形的一般疑问句将be动词放句首,第一人称改为第二人称。
例:
IwillgotoBeijingtomorrow.
WillyougotoBeijingtomorrow?
肯定回答:
Yes,Iwill.否定回答:
No,Iwillnot(won’t).
Theyaregoingtohaveapicnicnextweek.
Aretheygoingtohaveapicnicnextweek?
肯定回答:
Yes,theyare.否定回答:
No,theyarenot(aren’t).
2、一般将来时的否定句直接在助动词will后加not;begoingto结构在be动词后加not.
例:
原句:
Iwillplayfootballafterclass.
否定:
Iwillnot(won’t)playfootballafterclass.
原句:
Theyaregoingtoswimtomorrow.
否定:
Theyarenot(aren’t)goingtoswimtomorrow.
注意:
shall+动词原形也可以表示一般将来时,shall只用在第一人称的句子里。
典型例题:
例1.单项选择:
They______tohaveapicnicthedayaftertomorrow.
A.aregoB.willC.isgoingD.aregoing
例2.单项选择:
Thereisgoingto______atesttomorrow.
A.haveB.havingC.beD.is
例3.单项选择:
Wearegoingto______atesttomorrow.
A.haveB.havingC.beD.is
例4.改错:
UncleWangisgoingtolearnsEnglishnextyear.______
ABCD
例5.改错:
TheSmithsisgoingtohavelunch.______
ABCD
例6.改写句子:
TheyarestudyingEnglishthisyear.(用next代替this)
______________________________________________
专项练习:
一、用所给单词的正确形式填空。
1.I______________(have)adancelessonthisevening.
2.Theboy_____________(see)afilmwiththegirltomorrow.
3.Ifitisfine,we______________(go)______(fish).
4.Mymother_______(be)goingto______(climb)themountainnextweek.
5.There_____________(be)asportmeetingnextweek.
6.Iwant_________(am)aartistinthefuture.
7.They________(do)theirhomeworknow.
8.Shealways________(go)tobedatten.
9.Myparents_________(go)toJapannextmonth.
10.TheGreens__________(have)dinnertogetherthisevening.
二、单项选择:
()1.It______raintomorrow.
A.isgoingB.isgoingtobeC.isgoingtoisD.isgoingto
()2.He______goingtotellyouaboutit.
A.isB.amC.areD.be
()3.It’scoldoutside.______weputonthecoat?
A.WillB.ShallC.AreD.Is
()4.---Canyouhelpme?
---Sorry,I______.
A.gotoutB.wentoutC.amgoin