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1、2019版七年级英语上册Unit2Let’splaysports第4课时Grammar学案新版牛津版【学习目标】1.理解行为动词一般现在时的用法。2.掌握行为动词一般现在时的肯定句、否定句、疑问句及其肯定和否定的基本用法。3.结合本单元话题,用一般现在时进行交际。【学习重、难点】1.理解行为动词一般现在时的用法。2.掌握行为动词一般现在时的肯定句、否定句、疑问句及其肯定和否定的基本用法。3.结合本单元话题,用一般现在时进行交际。【学习过程】Step1:Dailygreetings:T:Goodmorning,everyone.S:Goodmorning.T:Howareyou?S:I'
2、mfine,thankyou.Andyou?T:I'mOK.Thankyou.Sitdown,please.Step2:Show"Learningaim"T:TodaywewilllearnUnit2Grammar.Pleaselookatour"Learningaims"(ThenIreaditslowly.)T:Areyouclear?S:Yes.T:Let'sgoon.Step3:Show"GuideOne"tothestudents.GuideOneReadthefollowingsentences,payattentiontothewordsinblack.Iliveinaf
3、lat.Ihaveapetathome.Igotoworkbybus.IwatchTVatweekends.Idothehouseworkeveryevening.Thisclasswewilllearnsimplepresenttenseoftheverb“todo”.1.当主语是第一人称、第二人称、第三人称复数时谓语动词以动词原形构成。I_______(like)red.You_____________(have)breakfastat7a.m.They_____________(play)footballeveryweek.否定句的构成donot=don’t将以上句子改为否定句。
4、Idon’tlikered.Youdon’thavebreakfastat7a.m.Theydon’tplayfootballeveryweek.仔细观察,他们是如何变成否定句的?当主语是第一,第二或第三人称复数时,其否定形式借助于donot=don’t来否定。一般疑问句的构成--Do......?--Yes,…do./No,…don’t.将以上句子改为一般疑问句,并作肯定或否定回答。Doyoulikered?Yes,Ido.Doyouhavebreakfastat7a.m.?No,Idon’t.Dotheyplayfootballeveryweek?Yes,theydo.当主语是第一
5、,第二或第三人称复数时,是如何来提问的?借助于do来提问。2.当主语为第三人称单数时谓语动词用三单现形式。Step4:Show"GuideTwo"tothestudents.GuideTwoReadthefollowingsentences,payattentiontothewordsinblack.Shelivesinaflat.Shehasapetathome.Shegoestoworkbybus.ShewatchesTVatweekends.Shedoesthehouseworkeveryevening.动词的三单现变化规则如下:(1).一般情况加-s,例如:read—reads
6、cook—cooksbring—bringsuse—uses(2)以s,x,sh,ch结尾的动词,加-es. 例如:miss—, finish—,teach--,watch—,fix—(3)以辅音字母+y结尾的动词,变y为i再加-es。例如:carry—, study—,fly—(4)以o结尾的动词加-esgo--______________do--________________(5)have变成hasNowI’llshowyouapictureofSimon.Lookcarefullyandthenanswermyquestions.Doeshelikeplayingfootbal
7、l?Yes.Hedoes.Simonlikesplayingfootball.Doeshewearglasses?No,hedoesn’t.Simondoesn’twearglasses.Payattentiontotheunderlinedpartandworkouttherule.当主语是第三人称单数(he,she,it)时,其否定句要借助于doesnot/doesn’t,后面的动词用原形。特别要注意doesn’t的拼写。当主语是第三人称单