小学毕业英语总复习句型巩固第四节祈使句课件

专项提升句型巩固第四节祈使句知识梳理一、祈使句的概念 祈使句是用于表达命令、请求、劝告、警告、禁止等的句子。祈使句因对象(主语)是第二人称，通常省略主语。祈使句的时态都为一般现在时，句末可以用感叹号来表达比较强烈的语气，也可以用句点结尾。如： 命令：Goandwashyourhands！去洗一下你的手！ 请求：Bequiet，please.请安静。劝告：Bekindtoyourfriends.善待你的朋友。警告：Watchyoursteps.注意台阶。禁止：Keepoffthegrass！请勿践踏草地！二、祈使句的结构结构举例动词原形+其他.（有的祈使句在句意明确的情况下，可省略动词）Sitdown,please.请坐下。Gothisway,please.=Thisway,please.请往这边走。Be+名词短语/形容词+其他.Beagoodboy!做个好孩子！Becareful.小心！续表结构举例Let+宾语+动词原形+其他.Letmehelpyou.让我来帮你。Let'scleanourclassroom.我们打扫教室吧。【注】为了加强语气，可在动词前加do。如：Domakeyourroomclean.务必保持你的房间整洁。Dobecareful!务必小心。DoletMarywatertheflowers.务必让玛丽浇花。三、祈使句改为否定形式的方法情况否定结构举例以动词原形/be动词开头Don't+动词原形/be动词+其他.Don'tforgetme!不要忘记我！Don'tbelateforschool.上学不要迟到。续表情况否定结构举例以let开头Don't+let+宾语+动词原形+其他.Don'tlethimgo.不要让他走。Let+宾语+not+动词原形+其他.Lethimnotgo.让他别走。续表情况否定结构举例其他No+名词/动名词.Nopets.禁止宠物入内。Nosmoking!禁止吸烟！考点精析【例1】Readandchoose.给下列标志选择适当的标志语，并将其字母编号写在横线上。考查祈使句的运用考点A.Don'tlitter!

B.Don'tturnleft.C.Nofishing.

D.Don'ttouchthedoor.解析:本题考查根据图片选择适当的祈使句。祈使句最常见的用法就是用在警示牌上。答案：1.B2.D3.A4.C【例2】Readandwrite.根据所提供的场景写出适当的祈使句。1.有几个孩子在马路上踢足球，你会对他们说：_____________________________________________2.有小朋友在无人监管的河里游泳，你会对他们说：_____________________________________________解析:本题考查祈使句的日常用法。注意口语表达的时候，禁止类祈使句多用Don't形式。答案：1.Don'tplayfootballontheroad.2.Don'tswimintheriver.一、Readandwrite.根据例句，仿写句子。例：Youcan'ttouchthedoorinthesubway.Don'ttouchthedoorinthesubway.1.Youshouldn'tdrivetoofast._____________________________________________Don'tdrivetoofast.2.Youmustnotlookoutofthewindow._____________________________________________3.Youmuststopataredlight._____________________________________________4.Youshouldn'tbelateforschool._____________________________________________5.Youcan'tswimintheriver._____________________________________________Don'tlookoutofthewindow.Stop/Dostopataredlight.Don'tbelateforschool.Don'tswimintheriver.二、Readandwrite.根据所提供的场景写出适当的祈使句。1.邀请朋友做客，你想请他吃苹果，你会说：_____________________________________________2.你想邀请朋友一起下棋，你会说：_____________________________________________Haveanapple,please！Let'splaychesstogether.3.你想让一个想要进入草坪的小朋友别践踏草坪，你会说：_____________________________________________4.在图书馆内，你想让其他人安静，你会说：_____________________________________________5.你想提醒他人开车不要开太快，你会说：_____________________________________________Keepoffthegrass.Bequiet!Don'tdrivetoofast.过关检测一、Readandchoose.给下列标志选择适当的标志语，并将其字母编号填在括号内。A.Noeatingordrinking！

B.Nocameras！C.Nosmoking！

D.Noparking！ E.Noswimming！

F.Nopets.ACBDEF二、Readandwrite.将下列句子改为祈使句。1.Youmustn'tplayontheroad._____________________________________________2.Youcan'teatinthecomputerroom._____________________________________________3.Youshouldn'tsleeptoolate._____________________________________________Don'tplayontheroad.Don'teatinthecomputerroom.Don'tsleeptoolate._4.Youmustcloseyourbookandlookattheblackboard._____________________________________________5.Everyonemustn'tsmokehere._____________________________________________Close/Docloseyourbookandlookattheblackboard.Don'tsmokehere./Nosmokinghere.三、Readandchoose.读句子，选择正确的答案，并将其字母编号填在括号内。()1.Ifyouaretired，__________arest.A.have

B.having

C.tohave()2.Heisnothonest.__________believe（相信）him.A.Not B.Don't C.DoAB()3.__________inthestreet.It'sdangerous.A.Notplay B.Nottoplay C.Don'tplay()4.__________theboxes.Youmayusethemlater（后来）.A.Keep B.Keeping

C.Tokeep()5.Thereisasignonthedoorofthemuseum.Itsays“No__________photos!”A.take B.taking

C.totakeCAB四、Readandtranslate.翻译句子。1.请等一等她。_____________________________________________2.明天务必早点起床。_____________________________________________3.不要跑那么快！_____________________________________________Pleasewaitfo