1、语法专题突破Lets enjoy a songPlease be quite!I am reading the book.Lets go to the cinema!Go upstairs!No smoking!Imperative sentencecontentTeaching aimsThe students can：1.understand the definition of imperative sentence,2.understand the forms of imperative sentence,3.master the usage of imperative sentence
2、.content 什么是祈使句？什么是祈使句？表示请求、命令、建议、祝愿、叮嘱表示请求、命令、建议、祝愿、叮嘱或禁止的句子叫祈使句。用于祈使句或禁止的句子叫祈使句。用于祈使句句首的动词总是用原形，不能用其他句首的动词总是用原形，不能用其他形式。形式。Turn off the TV,please.Lets get down to work.Have a nice day!No parking!（请求请求）（建议建议）（祝愿祝愿）(禁止禁止)表示各种情感的祈使句表示各种情感的祈使句content祈使句的主语？祈使句的主语？祈使句的主语通常为第二人称祈使句的主语通常为第二人称(you)，但，但一般都
3、被省略，只有在特殊的情况下才把一般都被省略，只有在特殊的情况下才把主语主语(you)补充出来。如：补充出来。如：You go and tell him,Chris.有时祈使句的主语也可以是有时祈使句的主语也可以是everybody,somebody,anybody,nobody等等不定代词。如：不定代词。如：Stand up,everybody!祈使句的肯定式1.Do型 (即:动词原形+其它成分)。如:Please have a seat here.有的祈使句在意思明确的情况下,动词可省略。如:This way,please.=Go this way,please.2.Be型(即:Be+表语(
4、名词或形容词)+其它成分)。如:Be a good student!3.Let型(即:Let+宾语+动词原形+其它成分)如：Let me try again.祈使句的否定式1.Do型和Be型 Do型和Be型的否定式都是在句首加dont构成。如:Dont forget me!Dont be late for school!2.Let型Let型的否定式有两种:“Dont+let+宾语+动词原形+其它成分”和“Let+宾语+not+动词原形+其它成分”。如:Dont let him go.=3.以No开头有些可用no开头,用来表示禁止性的祈使句。如:No smoking!Let him not go
5、.祈使句的反义疑问句1.肯定祈使句肯定祈使句 肯定祈使句的反意疑问句反问部分用will you 或wont you。Please open the door,？2.否定祈使句否定祈使句否定祈使句的反意疑问句反问部分只用will you。Dont be late again,？will/wont youwill you3.Let型祈使句 Lets phone her now,?Let us know your address,?表示请求或命令时，用 will you；表示建议或劝诱时，用 shall we。shall we will you中考中祈使句的常考点中考中祈使句的常考点：1.1.祈使句
6、的回答用一般将来时。祈使句的回答用一般将来时。如:-Please remember to bring my notebook to school.-_（好的，我会的好的，我会的。）Ok,I will.2.“2.“祈使句祈使句+and/or+and/or+陈述句陈述句(表结果表结果)”)”结构。结构。如:Work harder,_you will find it not difficult to learn.Take the chance,_you will regret.andor3.3.在肯定形式的祈使句前加在肯定形式的祈使句前加do,do,可以加强语气。可以加强语气。如：Do come t
7、o school on time next time.Conclusion否定式否定式反义疑问句反义疑问句肯定式肯定式1.Do型和型和Be型型2.Let型型3.以以No开头表禁止开头表禁止1.肯定句的反义疑问句肯定句的反义疑问句2.否定句的反义疑问句否定句的反义疑问句3.Let的反义疑问句的反义疑问句1.Do型型2.Be型型3.Let型型中考面对面1.（2015河南34题）_kind and helpful to the people around us,and we will make the world a nicer place to live in.A Be B Being C To
8、D Been2.(2013 河南34 题）Do you want to be healthy?_.Smiling can help you stay healthy.A Smile B Smiling C To smile D Smiled3.(2012河南34题)_out your love.The world will become a nicer place to live in.A Speak B To speak C Spoke D SpeakingExercises4.(2017郑州一模)_ water running when you are brushing your teet
9、h.We must save every drop of water.A.Keep B.To keep C.Dont keep D.Not to keep5.(2017焦作二模)_ yourself and stay specialyou little disadvantages make you beautiful,lovely and valuable.A.Be B.To be C.Being D.Is6.(2017信阳二模)_ways to improve your English with your teachers help,or you ll get into trouble wh
10、en you are in America next year.A.To find B.Find C.Finding D.FoundExercises7.(2017南阳二模)Growing up is not easy,so _calm when youre facing trouble in life.A.keep B.to keep C.keeping D.kept8.-Put some butter on a piece of bread and add a teaspoon of jam.What else?-Next _ some tomatoes.A.cut up B.cuts up C.to cut up D.cutting up9._more cheese,milk and yogurt to make your teeth strong.They are rich in calcium(钙).A.To have B.Have C.Having D.Dont haveHomework:Finish Exercise 2 and 3，on Page 66 in your exercise books.
