一般现在时一、一般现在时的用法1.表示经常的或习惯性的动作,常与表示频度的副词连用。常用的频度副词有:always、often、usually、seldom、never、sometimes,everyweek(day,year,month…),onceaweek,onSundays。频度副词在句中通常放在行为动词之前,系动词、助动词之后。e.g.Heoftengoesswimminginsummer.他夏天经常游泳。Iusuallyleavehomeforschoolat7everymorning.每天早上我七点离开家。2.表示现在的状态。e.g.Myfatherisverybusynow.我父亲很忙。Theboyistwelve.这男孩十二岁。3.表示主语具备的性格、特征和能力等。e.g.Allmyfamilylovefootball.我全家人都喜欢足球。AnnwritesgoodEnglishbutdoesnotspeakwell.安英语写得不错,讲的可不行。4.表示客观真理,客观存在,自然现象。e.g.Theearthmovesaroundthesun.地球绕太阳转动。ShanghailiesintheeastofChina.上海位于中国东部。二、动词的第三人称单数词尾变化当主语是第三人称单数时,谓语动词需加-s或-es:规则动词原形第三人称单数形式一般在词尾加-s,(清辅音后读∕s∕,在浊辅音后读∕z∕;在t后读∕ts∕,在d后读∕dz∕。)playleaveswimplaysleavesswims以字母s,x,ch,sh,o结尾的词加-es,读∕iz∕,如果动词原形词尾已有e,则只加-s。passfixteachwishdopassesfixesteacheswishesdoes以辅音字母加y结尾的词,先变y为i,再加-es,读∕z∕。studycarryflystudiescarriesflies注意:动词have的第三人称单数是has.三、一般现在时的句子转换:1)e.g.①陈述句:Sheisastudent.疑问句→Issheastudent?—Yes,sheis./No,sheisn’t.否定句→Sheisnotastudent.②陈述句:Icanswim.疑问句→Canyouswim?—Yes,Ican./No,Ican’t.否定句→Icannotswim.小结: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等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.2)e.g.①陈述句:Wegetupat7:00everymorning.疑问句→Doyougetupat7:00everymorning?否定句→Wedon’tgetupat7:00everymorning.②陈述句:Shehasalittlebrother.疑问句→Doesshehavealittlebrother?否定句→Shedoesn’thavealittlebrother.小结:当句子中既没有be动词,也没有情态动词时,则在主语前加助动词do(you,以及复数),does(单数she,he,it)变成问句;在主语后谓语动词前加助动词don’t(I,you,以及复数),doesn’t(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。常见考点、典型例题与练习练习①:drink-go-stay-make-look-have-pass-carry-come-watch-plant-fly-study-brush-do-teach-swim-jump-walk-eat-copy-writeplays-buy-小结:动词第三人称变化规则:①一般情况下在单词后面加-s。②以s,x,ch,sh,o结尾的在单词后面加-es。③以辅音字母加-y结尾的,把y变i再加-es,以元音字母加-y结尾的,直接加-s。④have的第三人称单数形式是has.练习②:(一)选择题()1.____Aliceoftenplaythepiano.No,she____.A.Do;doB.Does;doesC.Does;doesn’t()2.-Whatdoyouusuallydoontheweekend?-I____.A.goesswimmingB.goswimmingC.visitinggrandparents()3.I____astudent.Igotoschool____buseveryday.A.is;byB.am;onC.am;by()4.MymotherandI___alwayswatchromanticfilms.A.doesn’tB.don’tC.do()5.IsthisAmy’ssweater?A.Yes,it’s.B.Yes,itdoes.C.No,itis.D.No,itdoesn’t.()6.Mysister_________toworkbysubwayeveryday.A.goB.goesC.doD.does(二)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?(三)按要求完成下列各题1.Doyouoftenplayfootballafterschool?(肯定回答)_________________________________________________________2.Ihavemanybooks.(改为否定句)__________________________________________________________3.GaoShan’ssisterlikesplayingtabletennis(改为否定句)__________________________________________________________小结:学会区分第一、第二、第三人称,以及第三人称单复数,是做题的关键。单数复数第一人称Iwe第二人称youyou知识拓展与延伸(一)区分下列句子的时态:①Wheredidyougojustnow?②I'llmeetyouattheschoolgatetomorrowmorning.③Iwenttohospitalyesterday.④Whatareyoudoing?⑤Wearewaitingforyounow.(二)改错(划出错误的地方,将正确的写在横线上)1.IsyourbrotherspeakEnglish?__________________2.Doeshelikesgoingfishing?__________________3.Helikesplaygamesafterclass.__________________4.Mr.WuteachsusEnglish.__________________5.Shedon’tdoherhomeworkonSundays._________________四、课堂小结1、学生回顾总结本节课有关的主要知识;2、教师针对学生总结做指导,再次强调重难点。①一般现在时态的用法;②动词第三人称单数词尾的变化规则;③句子转换。五、课后作业布置(一).选择填空1.Iwant____homeworknow.第三人称He/she/itthey人名(Alice)Amy’ssweatermysistermymotherandI…A.doingB.todoC.todomyD.domy2.It'stime______.A.gotoschoolB.playgamesC.togohomeD.todomyhomework3.______goandhelpher.A.Let'smeB.Let'susC.Let'sD.Let'sto4.Dotheyhaveanewcar?Yes,_____.A.theyareB.theyhaveC.theydon'tD.theydo5.Heoften_________supperat6:00intheevening.A.haveB.hasc.ishavingD.iseating6.We_____________anyChineseclassesonFriday.A.arehavingB.aren’thavingC.don’thaveD.arehave(二).用括号内动词的适当形式填空。1.yourparents_________(read)newspaperseveryday?2.Thegirl_________(teach)usEnglishonSundays.3.SheandI_________(take)awalktogethereveryevening.4.There_________(be)somewaterinthebottle.5.Mike_________(like)cooking.6.They_________(have)thesamehobby.7.Myaunt_________(look)afterherbabycarefully.8.Youalways_________(do)yourhomeworkwell.9.She_________(go)toschoolfromMondaytoFriday.10.LiuTao_________(do)notlikePE.11.Thechildoften_________(watch)TVintheevening.12.WangKaiandWangli_________(have)eightlessonsthisterm.13.-Whatday_________(be)ittoday?-It’sSaturday.14.Mikesometimes__________(go)totheparkwithhissister.15.Ateightatnight,she__________(watch)TVwithhisparents.(三).按要求完成下列各题1.Doyouoftenplayfootballafterschool?(肯定回答)____________________________________________________2.GaoShan’ssisterlikesplayingtabletennis(改为否定句)____________________________________________________3.Nancydoesn’trunfast(肯定句)____________________________________________________4.Mydogrunsfast.否定句:___________________________________________________一般疑问句:________________________________________________5.Mikehastwolettersforhim.一般疑问句:________________________________________________________否定句:___________________________________________________________________