初一英语下册第四单元ppt.ppt

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1、Unit4Don'teatinclass.祈使句祈使句就是表示请求、命令、建议、祝愿、邀请或要求的句子。1-Do型（也称为-动词原形）：动词原形+（宾语）+其他成分eg:Shutup!/Pleasesitdown./Givemeahand./Sitdown.2.Be型：Be+表语（名词或者形容词）+其他成分eg：Beagoodgirl！/Bequiet.Do型和Be型的否定式是在句首加上don't。Don'tforgetme./Don'tbelateforschool./Don'tstayuptoolate.3.Let型：Let+宾语+动词原形+

2、其他成分Letmehelpyou！Let'spalyagame.let型否定形式：①.Don't+let+宾语+动词原形+(其他成分).②.Let+宾语+not+动词原形+(其他成分)。.eg：Don'tlethimgonow./Lethimnotgothere.No开头，来表示禁止性祈使句。eg：Nosmoking！/Nofishing!./Noparking.Don'tarrivelateforclass.Youmustbeontime.arriveat+小地点：arriveatthebusstationarrivein+大地点：arriv

3、einPairs准时：ontime:Youshouldgettoschoolontime.及时：intimeThepolicemencomeintime.有时：attimes：IgototheschoollibraryattimesDon'truninthehallways./hɔːlweɪ/must+动词原形（dobe)-Youmustbequiet.-Youmustdothat./gothereMust引导的一般疑问句肯定回答：Yes，主语+must否定回答：No，youneed't.Don'teatintheclassroom.youmu

4、steatinthedininghall.Don'tlistentomusicinclass.Don'tfight.fight:打架和..打架：fightwith和..做斗争：fightagainst救火：fightthefirerulerule：n规则（复数）：rulesruler尺子vt统治Amanwhorulesacountrywecallhimaruler（统治者）John:Hi,mynamesJohn.It‘smyfirstdayatschool.Alice:Hi,John.ImAlice.Thisisagreatschool,butt

5、herearealotofrules.John:Really?Whataresomeoftherules?Alice:Well,don'tbelateforclass.Thisisveryimportant.[ɪmˈpɔːtnt]重要的John:OK,sowemustbeontime.Canwebringmusicplayerstoschool?Alice:No,wecan't.Andwealwayshavetoweartheschooluniform.John:Isee.[ˈjuːnɪfɔːm]Alice:Oh,andwealsohavetob

6、equietinthelibrary.1-第一次做..thefirsttimetodosthit'smyfirsttimetogotoBeijing.2-someof...中一些+可数名词复数someofthestudentslikeplayingfootball.-oneof...中之一+可数名词复数Chinaisoneofthebigcountries。3-bringsthtosp把..带来takesthtosp把..带走getsthforsb把..带给sbDobringyourEnglishbooktoschool。Canyoutaketh

7、ebookstotheclassroom？Canyougetthemusicplayerforme？havetodo不得不做/得做。。第三人称：hastodo过去式：hadtodowear穿着-状态=bein+颜色/衣服puton穿—侧重动作—takeoff脱下dressedonself/getdressed整个过程一根据汉语意思写出下列短语1.按时,准时_________2.听音乐_________3.在课堂上_________4.许多;大量的_________5.在走廊上二.根据句意及课文内容完成句子1・__________lateforcl

8、ass.上课不要迟到。2.We____________ontime.我们必须守时。3.Canwe_____musicplayers___