Unit3Electricity.ppt

《Unit3Electricity.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、Unit6Modalverbs壶关县树掌中心校刘芳芳Teachingaims:1.Mastertheusagesofmodalverbssuchascan,mayandmust.2.Usethemodalverbstomakesentences.ThelittlehorsecrossedtheriverYoucanhelpmotherdothingsMayIcrosstheriver?Yes,youmay.Youmustbecareful!Youmustn'tcrosstheriver.Youmusthaveatry.AtlastFindouttherules(can)1.Yo

2、ucanhelpmotherdothingsIcanrun.Shecandraw.Findouttherules(can,may)2.CanIuseyourdictionary?Youcanusemydictionary.MayIcrosstheriver?Youmaycrosstheriver.Findouttherules(must)Youmustbecareful.Youmusthaveatry.Youmustn’tcrosstheriver.Youmustn’teatinclass.用法意义例句can能力能，能，会请求对方允许，许可可以may请求对方允许，许可可以，可能

3、must发出命令，制定规则必须情态动词用法：情态动词can，may，must表示语气和情态人称和数无变化动词原形其后跟操练一Whatcanyoudoorwhatcan'tyoudo？操练二CanIuse...?MayIuse...?操练三Makeschoolrules链接中考1.Withthehelpofthenewtechnology,you_e-mailyourfriendsbymobilephone.A.canB.mustC.need2._Iswimhere?I’msorry.Children_swimalonehere.A.Must,can’tB.May,mustC.C

4、an,mustn’t3.CanhespeakEnglish?_.A.Yes,hedoesB.Yes,hedidC.Yes,hecan(A)(C)(C)4.You_jumpontoabuswhileitisstillmoving.It’stoodangerous.A.canB.mustn’tC.can’t(B)HomeworkMake10sentencesyoulikebyusingmodalverbs.