一般现在时课件

一般现在时.1.表示经常的或习惯性的动作，常与表示频率的时间状语连用。时间状语：always,usually,everymorning````,often,sometimes,twiceaweek,seldom,onceamonth,onSundayse.g.Ileavehomeforschoolat7:00everymorning.Igetup

atsix

inthemorning.一般现在时2.表示客观事实和普遍真理。e.gTheearthmovesaroundthesun.ShanghailiesintheeastofChina.3表示格言或警句中。e.gPridegoesbeforeafall.骄者必败。☆注意★：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。例：Columbusprovedthattheearthisround..表达方法主要通过谓语动词的变化和用时间词语来表示，其中最主要的是谓语动词的变化。一般现在时动词变化的规则是：1.如果主语是名词复数和第一人称I、we，谓语动词不用做任何变化，即仍然用动词原形表示：

肯定句主语+动词原形+其他

否定句主语+don't+动词原形+其他一般疑问句Do+主语+动词原形+其他例1)Weusuallygotoschoolat7:30.我们通常7:30上学去。[go]2)Myparentsgivetenyuantomysistereveryweek.我父母每星期给我妹妹十元钱。2.主语是单数名词,第三人称单数或不可数名词，谓语动词要进行必要的变化。

肯定句:主语+动词的第三人称单数+其他

否定句:主语+doesn't+动词原形+其他

一般疑问句:Does+主语+动词原形+其他

肯定回答:Yes，主语+does

否定回答:No，主语+doesn't

特殊疑问句:特殊疑问词+一般疑问句行为动词do一般现在时第三人称单（he,she,it)的构成规则：动词变化规律(1)一般情况下由动词后加-s构成：work→works工作read→reads读look→looks看come→comes来live→lives居住listen→listens听(2)以s,x,z,sh,ch以及o结尾的动词，后加es：guess→guesses猜mix→mixes混和go→goes去finish→finishes完成catch→catches抓住(3)以辅音字母加y结尾的动词，应将y改为i再加-es：fly→flies飞行study→studies学习carry→carries带，扛①有个别的变化不规则，如have→has,be→is等。EX21.Tomoften_____(get)upatsixinthemorning2.Theearth______(go)aroundthesun.3.Mary’sparent______(live)inBeijing.

4.She_______(draw)verywell.

looks;goes;gives;flies;hasgetsgoeslivesdrawsII一般现在时的否定式1.Be动词的否定式:be+notIamateacher.YouareaworkerSheisadoctorWearefriends.I’mnotateacherYouaren’taworkerSheisn’tadoctor.Wearen’tfriends.isnot=isn’tarenot=aren’t否定句否定句型1.谓语动词是be或情态动词can/may/must等，在助动词后加not.Iamnotatcollege.Mr.Wangisn't50yearsold.Youmaynotgonow.2.谓语动词是实义动词，在谓语动词前加donot或doesnot，谓语动词改用动词原型。Idon'thavelunchathome.Theydon'tplaybasketballontheplayground.Mr.Jimmydoesn'tknowFrench.Ex1.将下列各句从肯定式改为否定式I

talktoPeterbecauseI

likehim..KatecomesfromAmerica.KateworkswithPeterIamChinese,andIamastudent.Theyknoweachother.Idon’ttalktoPeterbecauseIdon’tlikehim.Katedoesn’tcomefromAmerica.Katedoesn’tworkwithPeter.IamnotChinese,andI

amnotastudentTheydon’tknow

eachother.疑问句型1.谓语动词是be、can/may/must等，将这些词移到主语前面。Areyoustudents？Yes,weare./No,wearen't.IsJaneintheclassroom?Yes,sheis./No,sheisn't.Isthereanywaterintheglass?Yes,thereis./No,thereisn't.

Canyouswim?Yes,Ican./No,Ican't.

2.谓语动词是实义动词，在主语前加助动词do或does，谓语动词改成动词原形。do用于第一人称和名词复数，does用于第三人称单数和名词单数或不可数名词。Doyouknowit？Yes,Ido./No,Idon't.Doesshehaveapen？Yes,shedoes./No,shedoesn't.[have这里是实义动词]Dotheyplaybasketballafterschool?Yes,theydo./No,theydon't.

Ex1.请做练习1.HerparentsliveinShanghai.否:Herparents______________inShanghai.疑：_______herparents_______inShanghai?.2.YoustudyEnglish.否：You

studyEnglish.疑：

youstudyEnglish?3.Howoften

Tom

football?A.is,playB.do,playC.does,playD.does,playsdon’tliveDolivedon’tDoC请把下列句子变成否定句和疑问句。Thesunrisesintheeast.2.Tomgetsupatsixinthemorning.Thesundoesn’triseintheeast.Doesthesunriseintheeast?Tomdoesn’tgetupatsixinthemorning.DoesTomgetupatsixinthemorning?3.TheyliveinShanhai.4.Iamastudent.Theydon’tliveinShanhai.DotheyliveinShanghai?Iamnotastudent.Areyouastudent?用所给动词的正确形式填空：1.Weoften______(play)intheplayground.2.Sheoften________(watch)TVwithherdog.3.Theearth______(go)aroundthesun.4.Mymother_______look)aftermylittlesisterathome.5.Lucy________(have)somefriendshere.6.FangMing_____________(notlike)riceatall.7.We_____(go)toschoolat7:30inthemorning.8.Maryseldom________(come)here.9.Heruncleoften_______(drive)toBeijing.10.Tom______(want)_________(work)inHainan.playwatcheslooksdoesn’tlikehasgocomeswantsdrivestoworkgoes1._____youhaveabook?

ADo

B.Are

C.Is

D.Have

2.DoesLiLeiliketowatchTV?______________.

A.Yes,helike.

B.No,hedoesn’t

.C.Yes,he’dlike.

D.No,helikes.

3.Shedoesn’t______herhomeworkintheafternoon.

A.doing

B.todo

C.does

D.do

4.How____Mr.Smith______toEngland?

A.do,go

B.is,go

C.does,go

D.does,goes5._____she______homeatsixeveryday?A.Is,leave

B.Does,leaveC.Is,leaves

D.Does,left

6.Iwant____homeworknow.A.doing

B.todo

C.todomy

D.domy

7.It'stime______.

A.gotoschool

B.playgames

C.togohome

D.todomyhomeworks

8．--____you____theblackboard?

--Yes,Ican.

A.Can,clean

B.Am,cleaning

C.Are,cleaning

D.Do,clean

9．______goandhelpher.

A.Let'sme

B.Let'sus

C.Let's

D.Let'sto10.Dotheyhaveanewcar?Yes,_____.A.theyare

B.theyhave

C.theydon't

D.theydo

11.Heoften_________supperat6:00intheevening.A.have

B.has

C.ishaving

D.iseating

12.It’s6o’clockinthemorning.It’stime

___________.

A.getupB.getsupC.togetup

D.getsup13.ThestudentswillgototheSummerPalaceifit_____tomorrow.

A.don'trainB.doesn'trainC.won'trainD.isn’train14.There_____anEnglishfilmnextweek.

A.willhaveB.isgoingtohaveC.isgoingtobeD.wasgoingtobe15.Thepicture_______nice.

A.looksB.islookedC.look