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ID:57199997
大小:2.37 MB
页数:25页
时间:2020-08-03
《小学英语第三人称单数专题讲解课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、小学英语专项---一般现在时的第三人称单数Ioften/usually/sometimes…一般现在时经常性、习惯性的发生的动作Whatdoyouoftendoontheweekend?playfootballwatchTVcookChinesefoodstudyEnglishdohomeworkIoftenplayfootball.Heoftenplaysfootball.IoftencookChinesefood.HeoftencooksChinesefood.IoftenwatchTV.Heoftenw
2、atchesTV.在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。一般情况下,直接在动词后+s,comeplaylikedrawreadcomesplayslikesdrawsreads2.以s,sh,ch,x,o结尾的动词,在词尾+eswatchteachwashgowatchesteacheswashesgoesIoftenstudyEnglish.HeoftenstudiesEnglish.3.以辅音字母+y结尾的动词,变y为i,再+esstudyf
3、lystudiesfliesIoftendohomework.Heoftendoeshomework.IoftenhaveanEnglishclass.HeoftenhasanEnglishclass.4.不规则变化动词have→do→hasdoesDoyouoftenplayfootball?Yes,Ido.No,Idon’t.Yes,hedoes.No,hedoesn’t.Doesheoftenplayfootball?Ioftenplayfootball.Doyouoftenplayfootball?H
4、eoftenplaysfootball.Doesheoftenplayfootball.在一般现在时中,当主语是第三人称单数时,疑问形式??当主语为第一二人称时,怎样变成疑问句?Ioftenplayfootball。Doyouoftenplayfootball?句子前加上doHeplaysfootball.Doesheplayfootball?句子前加does后还有什么变化SheoftenwatchesTV.Sheoftendoeshomework.DoessheoftenwatchTV?Doessheoft
5、endohomework.Ioftenplayfootball.Idon’toftenplayfooball.Heoftenplaysfootball.Hedoesn’tplayfootball.在一般现在时中,当主语是第三人称单数时,否定形式??1.HeoftenwatchesTV.Hedoesn’twatchTV.2.HeoftencooksChinesefood.Hedoesn’toftencookkChinesefood.对比变化Ioftenplayfootball.Idon’toftenplayfo
6、otball.Doyouoftenplayfootball?Heoftenplaysfootball.Hedoesn’toftenplayfootball.Doesheoftenplayfootball?
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