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1、一般现在时总结目录目录一 定义二 谓语形式三 句式变换四 课堂练习二二一般现在时谓语一般现在时谓语一般现在时谓语由动词原形表示,但主语为第三人称单数第三人称单数时,谓语动词要加S或ES,其变化规则如下:动词三单形式的变化规则：1.（1）多数直接在动词词尾加-s.play plays like likes ask-asks work-works get-gets call-calls（2）以字母s,x,ch,sh或o结尾的动词，在词尾直接加-es.watch-watches wish-wishes do-does go-goes （3）以“辅音字母加-y”结尾的动词，要先变y为i再加-es.tr
2、y-tries study-studies cry-cries fly-flies2.不规则变化：be-is have-has归纳：归纳：第三第三人称人称单数单数人称代词he,she,it是第三人称单数。He likes watching TV.他喜欢看电视。She has lunch at twelve.她十二点吃午单个人名、地名或称呼作主语是第三人称单数。Han Mei likes salsd .韩梅喜欢萨拉。Beijing is in China.北京在中国。Uncle Wang often plays volleyball.王叔叔经常打排球。单数可数名词或this/that/the+单
3、数可数名词作主语时，是第三人称单数。This book is yours.这本书是你的。That car is red.The cat is Lucys.这只猫是露茜的。不可数名词作主语时为第三人称单数。The milk（牛奶）is in the glass.牛奶在玻璃杯里。The bread is very small.那面包很小。当数字或字母作主语时，看作第三人称单数。6 is a lucky number.6是个吉利数字。I is a letter.I是个字母。EX2EX2 1.Tom often_(get)up at six in the morning 1.Tom often_(ge
4、t)up at six in the morning 2.The earth _(go)around the sun.2.The earth _(go)around the sun.3.Marys parent _(live)in Beijing.3.Marys parent _(live)in Beijing.4.She _(draw)very well.4.She _(draw)very well.Ex1.写出下列写出下列词词的的单单三形式：三形式：look;go;give;fly;have looks;goes;gives;flies;has getsgoeslivesdraws三三一般
5、现在时的句子转换一般现在时的句子转换一般一般现现在在时时的构成：的构成：肯定句：肯定句：主主语语is/am/are其它成分其它成分.He is an office worker.主主语语(除第三人称除第三人称单单数数)动词动词原形其它成分原形其它成分.I get up at six every day.主主语语(第三人称第三人称单单数数)动词动词s/es 其它成分其它成分.My father usually goes to work by bus.1)变一般疑问句:当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等)提到主语的前面 句式结构：句式结构：Am/Is/Ar
6、e+主语其它成分主语其它成分?肯定肯定:Yes,主语主语+be.否定否定:No,主语主语+be+not.Itisatalltree.Isitatalltree?Yes,itis./No,itisnot.注意：当句子中没有be动词，也没有情态动词时，变一般疑问句时，在主语前加助动词do(I,we,you,以及复数),does（第三人称单数she,he,it等）变成问句；Do+主语主语(除第三人称单数除第三人称单数)动词原形其它成动词原形其它成分分?肯定肯定:Yes,主语主语+do.否定否定:No,主语主语+do+not.TheGreensoftengoswimminginsummer?Dothe
7、Greensoftengoswimminginsummer?Yes,theGreensdo./No,theGreensdonot.Does+主语（第三人称单数）动词原形其它主语（第三人称单数）动词原形其它成分成分?肯定：肯定：Yes,主语主语+does.否定：否定：No,主语主语+does+not.Theearthgoesaroundthesun.Doestheearthgoaroundthesun?Yes,theearthdoes./No,theearthdoesnot.一般一般疑问疑问句句的的回答：回答：注意：一般用什么问就用什么来回答。但以下例外但以下例外：Is this a penci
8、l?Yes,it is./No,it isnt.Is that your backpack?Yes,it is./No,it isnt.Are these your parents?Yes,theyre./No,they arent.Are those Jims brothers?Yes,theyre./No,they arent.1、He found some meat in the fridge.（变一般疑（变一般疑问句问句)_ he_ _ meat in the fridge?2、There was some orange in the cup.（变一般疑（变一般疑问句问句)_ ther
9、e _ orange in the cup?DidfindanyWasany2）变否定句：在be动词或情态动词后面直接加not变成否定句.(be后not莫忘记)例：陈述句：She is my sister.否定句 She is not my sister.陈述句：I can play soccer.否定句 I can not/cant play soccer.注意：变否定句时，在主语后谓语动词前加助动词dont,doesnt变成否定句，切记：助动词后的动词则还原成动词原形。陈述句：We get up（起床）at 7:00 every morning.否定句We dont get up at 7
10、:00 every morning.陈述句：She has a brother.否定句 She doesnt have a brother.3）特殊疑问句句式结构句式结构：疑疑问词问词is/am/are+主主语语(其它成分其它成分)？What time is it now?疑疑问词问词do+主主语语动词动词原形原形(其它成分其它成分)？When do you usually go to bed?疑疑问词问词does+主主语语（第三人称（第三人称单单数）数）+动词动词原原形（其它成分）？形（其它成分）？Where does Jim do his homework on weekdays?Exer
11、cisesIshehappy?Yes,heishappy.Ishestrong?Yes,heisstrong.Whatisit?Itisacat.Isshebusy?Yes,sheisbusy.AmIsad?No,Iamhappy.Isitveryhot?Yes,itisveryhot.Heishappy.否定句否定句:一般疑问句一般疑问句:肯定回答肯定回答:否定回答否定回答:Heisnot(isnt)happy.Ishehappy?Yes,heis.No,heisnt.Iamhappy.否定句否定句:一般疑问句一般疑问句:肯定回答肯定回答:否定回答否定回答:Iamnothappy.Areyo
12、uhappy?Yes,Iam.No,Iamnot.疑问句要求把疑问句要求把BE提前，第一人称变成第二人称。提前，第一人称变成第二人称。Theyareintheclassroom.否定句否定句:一般疑问句一般疑问句:肯定回答肯定回答:否定回答否定回答:Theyarenot(arent)intheclassroom.Aretheyintheclassroom?Yes,theyare.No,theyarent.动词动词be一般现在时的构成一般现在时的构成getupwatertheflowersIgetupat6:35inthemorning.Shewaterstheflowers.playfootb
13、allwatchTVTheyplayfootballintheplayground.HewatchesTVinthesitting-room.否定句否定句:一般疑问句一般疑问句:肯定回答肯定回答:否定回答否定回答:Igetupat6:35inthemorning.Idonot(dont)getupat6:35inthemorning.Doyougetupat6:35inthemorning?Yes,Ido.No,Idont.对于实意动词，疑问句要求：当主语是他对于实意动词，疑问句要求：当主语是他(he)，她，她(she)，它，它(it)时，句子前面加时，句子前面加DOES，并把动词恢复原形；当
14、主语是其他，并把动词恢复原形；当主语是其他人称时，句前加人称时，句前加DO，第一人，第一人(I/we)称换第二人称称换第二人称(you)。Theyplayfootballintheplayground.否定句否定句:一般疑问句一般疑问句:肯定回答肯定回答:否定回答否定回答:Theydonot(dont)playfootballintheplayground.No,theydont.Yes,theydo.Dotheyplayfootballintheplayground?Ex1.将下列各句从肯定式改为否定式将下列各句从肯定式改为否定式1.I talk to Peter because I lik
15、e him.2.Kate comes from America.Kate works with Peter1.I am Chinese,and I am a student.2.They know each other.I dont talk to Peter because Idontlike him.Kate doesntcome from America.Kate doesntwork with Peter.IamnotChinese,andIamnotastudentThey dont know each other.1.Her parents live in Shanghai.否:H
16、er parents_ in Shanghai.疑：_ her parents_ in Shanghai?.2.You study English.否：You study English.疑：you study English?3.How often Tom football?A.is,play B.do,play C.does,play D.does,plays dont liveDo livedoDo C1.Jimusually_(have)lunchathome.2.LiGuanhua_(be)twentyyearsold.3.Howmanystudents_(be)thereinyourclass?4.-_she_(study)hard?-Yes,she_.5.Lucyandlily_(notspeak)Chinese.6.Myfather_(notdo)morningexerciseseveryday.7.Shealways_(wash)herclothesonSundays.8._yourbrother_(like)playingfootball?No,he_.用所给动词一般现在时态填空用所给动词一般现在时态填空:结束语结束语谢谢大家聆听！谢谢大家聆听！36