（公开课课件）五年级下册英语Unit 4 lesson19 Liming comes home.ppt

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1、watchTVWhatareyoudoingnow？IamwatchingTVnow.IoftenwatchTVathome.IwatchedTVlastnight.watchafilmWhatareyoudoing？Iamwatchingafilmnow.Ioftenwatchafilmonsundays.Iwatchedafilmyesterday.对现在正在做什么提问：Whatareyoudoing？回答：Iamsinginganddancing.对过去的时间做什么提问：Whatdidyoudoyest

2、erday？对经常做什么提问：Whatdoyouoftendo？回答：Isanganddancedyesterday.回答：Ioftensinganddanceathome.动词过去式变化规则：1对于大部分动词，原型动词+ed即可构成过去式。want—wantedwash—washedplay—playedhelp—helped2对于原型动词词尾有“e”的。直接原型动词+d构成过去式。dance—dancedlove—loved3“辅+元+辅”结尾，且须重读，双写末尾字母+ed构成过去式。stop—stoppe

3、dplan—planned4词尾为“辅音+y”的动词，改“y”为“i”，+edcry—criedstudy—studiedworry—worried不规则变化有些动词过去式的变化规律不明显，只能通过背诵记忆have—haddo—didsing—sanggo—wentread—readswim—swamrun—randraw—drewfly–fleweat—atesee—sawam/is—wasare—werecome—camebuy—boughtride—rodeWhatareyoudoing？Iamdrawi

4、ngapicture.Whatdidyoudo？Idrewapicture.Whatdoyouliketodo？Iliketodrawapicture.Whatareyoudoing？Iamsingingasong.Whatdidyoudo？Isangasonglastnight.Whatdoyouoftendo？Ioftensingasongafterschool.Whatareyoudoing？Iamdancing.Whatdoyouoftendo？Ioftendanceafterschool.

5、Whatdidyoudo？Idancedlastnight.Whatareyoudoing？Iamflyingakite.Whatdoyouoftendo？Ioftenfiyingakiteafterschool.Whatdidyoudo？Iflewakiteyesterday.Whatareyoudoing？Iamridingmybike.Whatdoyouoftendo？Ioftenridemybikeafterschool.Whatdidyoudo？IrodemybikelastSunday.