助动词一、在一般现在时中,动词do做为助动词无词义,只是帮助一般现在时构成否定句,一般疑问句;作为实义动词,其词义是“做、干”的意思。二、动词does是动词do的第三人称单数形式。一般现在时主语是第三人称单数,动词和助动词都用does。三、切记助动词do和does出现,实义动词用原形。典型例题1.Theydon’twashtheirfaceseverynight.A.助动词无义B.没做2.Peteroftendoeshishomeworkathome.A.助动词无义B.做3.Shedoesn’tdoit.A.助动词无义B.做强化训练一、把下列动词变为第三人称单数形式。1.live_____2.like_____3.do_____4.wake_____5.watch_____6.play_____7.have_____8.eat_____9.work_____10.fly_____11.speak_____12.go_____13.sing_____14.wash_____15.study_____16.drive_____17.ride_____18.try_____二、选择填空。1.Iusually_____acakeonSaturday.A.makeB.makesC.making2.She_____toplaycarswithhersister.A.wantB.wantingC.wants3.We_____gohomeat5:30everyday.A.doesn’tB.aren’tC.don’t4.Mr.Wangdoesn’t_____yellow.A.likeB.likesC.liked5.Thepupils_____verywell.A.don’tsingB.aren’tsingC.doesn’tsing6.Mikedoesn’t_____that.A.doesB.doC.\7.Theboys_____theirhomeworkafterschoolintheafternoon.A.doB.doesC.are8.Mymother_____TVintheafternoon.A.watchB.watchsC.watches9.I_____musicverymuch.A.amB.likeC.amlike10.They_____haveMathseveryday.A.\B.doesC.are11.Xiaofang_____hard.A.workB.workingC.works12.She_____withhermatherandfather.A.isliveB.isn’tliveC.lives13.TomandI_____speakChinese.A.doesn’tB.don’tC.does14.LiPing_____himeveryday.A.doesn’tseeB.seeC.don’tsee三、辨别下列句子,正确的在括号里打“”,错误的打“”,并改正。1、Amyandherfatherdon’tgoingshopping.()_______2、WeplaysfootballonSaturdayafternoon.()_______3、TheoldmanliketolearnEnglish.()_______4、Idon’tmyhomeworkathome.()_______5、Tomlikeplayingbadketball.()_______6、Ialwaysdoesmyhomeworkat7:00intheeveing.()_______7、Itdon’tsingverywell.()_______8、Shealwayswritealettertoherfriend.()_______9、Asheepdoesn’teatsfish.()_______10、HeliveinHebei.()_______11、Linglingandherfriendsdoesn’tgoswimming.()_______12、IplaysfootballonSundayafternoon.()_______13、Theoldmengotothepark.()_______14、Idoesn’tdomyhomeworkat6:00.()_______15、TomlikegreenT-shirts.()_______16、IalwayscleansmyroomonSundays.()_______17、Itdon’tsingverywell.()_______18、Shealwaysdrawapictureforhergrandpa.()_______19、Dogsdoesn’teatfish.()_______20、ThatwomanliveinHebei.()_______四、用动词的适当形式填空。1、They_____(read)Englishinthemorning.2、She_____(like)hercoatverymuch.3、Heusually_____(watch)TVat7:00intheevening.4、Thegirl_____(fly)akiteeveryspring.5、He_____(get)upat7o’clockinthemorning.6、Themanandthewomanalways_____(listen)totheradio.7、Lucy_____(notsing)verywell.8、I_____(notgo)toschoolbybuseveryday.9、Daming_____(run)araceonMondays.10、We_____(do)highjumpwithourfriendsatschool.11、Thelittlegirls_____(read)Englishintheevening.12、They_____(like)hercoatverymuch.13、Sheusually_____(watch)TVwithhersisterintheevening.14、Thegirlsandtheboys_____(fly)akiteeveryspring.15、We_____(get)upat7o’clockinthemorning.16、Mybrotheralways_____(listen)tomusicinhisroom.17、LucyandLily_____(notspeak)Chinese.18、I_____(notgo)toschoolbybuseveryday.19、Daming_____(eat)ahamburgeronMondays.20、We_____(play)gameswithourfriendsatschool.