小学四年级英语一般现在时

1【知识梳理1】一、一般现在时的构成：1.be动词：主语+be+其他→注意：be动词根据人称相应地变化为am,isareHeisalittleboy.eg:Iamalittleboy.Sheisalittlegirl.2.行为动词：主语+行为动词+其他→注意：当主语为第三人称单数(he,she,it)时，要在动词后加‘-s/-es’。I/They/You/WestudyEnglish.eg:He/ShestudiesEnglish.二、一般现在时基本使用情况：1.表示经常性或习惯性的动作：Igetupatsixeveryday.关键词：常与表示频率的时间副词连用2.表示事物和人物的特征、状态：Theskyisblue.Heisfat.3.表示客观事实：Theearthgoesaroundthesun.【巩固练习】I.Fillintheblankswiththegivenverbsintheirproperforms.1.Sheusually______(go)toschoolbybike.2.Thesun______(rise)intheeastand______(set)inthewest.3.JohnandLinda__________inthesameclass.(be)4.__________yourschoolbagsinRoom301?(be)5.__________heoften__________hishomeworkeverymorning?(do)6.We__________TVonMonday.(notwatch)7.__________yourmother__________roomseveryday?(clean)【巩固练习】dayyearweekeverymonthafternooneveningonce/twice/threetimesaweekonSundaysonMondays2I.选择最恰当的答案()1._______youhaveabook?A.DoB.AreC.IsD.Have()2.They________onafarm.A.workingB.isworkC.workD.isworked()3.----DoesPeterliketowatchTV?----_________.A.Yes,helikesB.No,hedoesn’tC.Yes,he’dlikeD.No,helikes()4.Shedoesn’t_________herhomeworkintheafternoon.A.doingB.todoC.doesD.do()5.How_________Mr.Brown_________toAmerica?A.do,goB.is,goC.does,goD.does,goes()6.Where’smycamera?I__________it.A.amnotfindingB.amnotseeingC.can’tfindD.can’tlookat()7.----How_________hegotowork?----He_________toworkbybike.A.does;goB.do;goesC.do;goD.does;goes()8.----______youusuallylateforschool?----No,_____________.A.Do;IamB.Does;notC.Are;I’mnotD.Are;Iaren’t()9._______she________homeatsixeveryday?A.Is,leaveB.Does,leaveC.Is,leavesD.Does,left()10.Mr.Yang__________Englishthisterm.A.teachesourB.teachesusC.teachusD.teachour【知识梳理2】be动词，行为动词句型：1.Be动词一般现在时的句型肯定句：sb+be+其他be根据人称变为am，is，areeg:Heisateacher.Iamastudent.Theyareworkers.否定句：sb+be+not+其他eg:Heisnotateacher.Iamnotastudent.Theyarenotworkers.一般疑问句：be+sb+其他Isheateacher?-Yes,heis./No,heisn’t.3Areyouastudent?Aretheyworkers?特殊疑问句：Whatishe?2.行为动词的变化肯定式：sb+do+其他eg:Ilikepork.第三人称单数：sb+does+其他eg:Helikespork.否定式：sb+don’t+其他eg:Idon’tlikepork.第三人称单数：sb+doesn’t+其他eg:Hedoesn’tlikepork.一般疑问句:Do+sb+其他第三人称单数：Does+sb+其他eg:Doyoulikepork?eg:Doeshelikepork?-Yes,Ido./No,Idon’t.-Yes,hedoes./No,hedoesn’t.特殊疑问句：Whatdoyoulike?/Whatdoeshelike?【例题精讲】1.按要求改写句子：1.Doyouoftenplayfootballafterschool?(肯定回答)__________________________________________.2.Ihavemanybooks.（改为否定句）___________________________________________.3.GaoShan’ssisterlikesplayingtabletennis（改为否定句）______________________________________________.4.ShelivesinasmalltownnearNewYork.(改为一般疑问句）______________________________________________.5.IwatchTVeveryday.（改为一般疑问句）_______________________________________________.【巩固练习】1.用括号内动词的适当形式填空1.Heoften________(have)dinnerathome.2.DanielandTommy_______(be)inClassOne.3.We_______(notwatch)TVonMonday.4.Nick_______(notgo)tothezooonSunday.5.______they________(like)theWorldCup?6.What_______theyoften_______(do)onSaturdays?7._______yourparents_______(read)newspaperseveryday?8.Thegirl_______(teach)usEnglishonSundays.9.SheandI________(take)awalktogethereveryevening.10.There________(be)somewaterinthebottle.基础题：4I.用括号内动词的适当形式填空1.Mike_______(like)cooking.2.They_______(have)thesamehobby.3.Myaunt_______(look)afterherbabycarefully.4.Youalways_______(do)yourhomeworkwell.5.I_______(be)ill.I’mstayinginbed.6.She_______(go)toschoolfromMondaytoFriday.7.LiuTao_______(do)notlikePE.8.Thechildoften_______(watch)TVintheevening.9.SuHaiandSuYang_______(have)eightlessonsthisterm.10.----Whatday_______(be)ittoday?----It’sSaturday.II.按要求改写句子。1.Idomyhomeworkeveryday.（改为一般疑问句）___________________________________________2.Shelikeseggs.(改为一般疑问句，并做否定回答)___________________________________________3.Wegotoschooleverymorning.（改为否定句）___________________________________________4.Iliketakingphotosinthepark.（对划线部分提问）___________________________________________【知识梳理3】第三人称单数行为动词变化规则：1.规则变化三规律：（1）一般情况下直接在动词词尾加-s.ask---askswork---worksget---getsstay---stays（2）以字母s,x,ch,sh或o结尾的动词，在词尾直接加-es.watch---watcheswish---wishesfix---fixesdo---doesgo---goespass---passes（3）以“辅音字母加-y”结尾的动词，要先变y为i再加-es.try---triesstudy---studiescry---criesfly---flies2.不规则变化需动脑记：be----isarehave----has【例题精讲】I.Changethefollowingverbsafterthemodel.5Model:do→does1.fly_______2.fax_______3.play_______4.wash_______5.go_______6.watch_______7.study_______8.pay_______9.miss_______提高题：I.单选题1、AlthoughBillisn’trichenough,heoften______moneytothepoor.A.willgiveB.wasgivingC.givesD.gave2、-Canyourfatherdrive?-Yes,andhetoworkeveryday.A.isdrivingB.droveC.drivesD.hasdriven3、-What'shisfather?-Heisateacher.He______mathsataschool.A.taughtB.hastaughtC.teachesD.willteach4、Ilikesoftandgentlemusic.It_____nice.A.tastesB.looksC.soundsD.feels5、It______usually_____atthistimeofyear,buttodayitisrainingheavily.A.is,rainingB.won't,rainC.has,rainedD.doesn't,rain6、Thecloth______verysoftandcomfortable.A.smellsB.tastesC.feelsD.sounds7、Inordertokeephealthy,Tony_____awalkafterdinnereveryday.A.takesB.TakingC.tookD.wastaking8、Ilikespring.Wecangooutsideand_____nature.A.feelB.returnC.holdD.enjoy9、He_____anybrothers,buthehasasister.A.don'thasB.doesn