祈使句课件学习.pptx

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1、祈使句肯定式：Come here,please.Be patient,please.Lets go by bus.否定式：Dont touch it.Dont be lazy.Never play with fire!答语：Yes,I will./No,I wont.反意问句：will you/shall we句式：祈使句or/and+主+will(wont)/can(cant).第1页/共19页祈使句的肯定式祈使句的肯定句式有三种形式，即1).Do型(以行为动词原形开头)例如:Sit down 坐下!Stand up起立！2).Be型(以be开头),例如:Be quiet安静！3).Let型

2、（以let开头）例如:Let me help you.让我来帮助你。第2页/共19页祈使句的否定式祈使句的否定结构是以“Dont动词原形”开头Dont go there,please 请别去那儿。Dont be late 不要迟到。Dont let him in 不要让他进来。Dont let the water run into the room.不要让水流进屋里。第3页/共19页注意：Lets型祈使句，其否定式也可用Lets not 如：Lets not have rest 咱们别休息了。Lets not sit here!我们不要坐在这儿！第4页/共19页祈使句的答语Tom:Rememb

3、er to turn off the light!John:I will.Tom:Dont forget your homework!John:I wont.Tom：Dont come to school late again!John:Sorry,I wont.第5页/共19页祈使句的反意疑问句反意问句 Open the door,will you?Lets go by bus,shall we?Let us leave at once,will you?第6页/共19页一个重要句型祈使句，and/then 主can/will do祈使句，or 主语 cannot/wont doExampl

4、es:1)Think hard,and you will come up with an idea.2)Think hard,or you will have no way out.转换 1)If you think hard,you will come up with an idea.2)If you dont think hard,you will have no way out.第7页/共19页祈使句转换为间接引语1）“Come here,Tom!”John said.John told Tom to go there.2)“Dont pick flowers,”he said to u

5、s.He told us not to pick flowers.第8页/共19页随堂练习1.He told me _for school.A.dont be late B.dont late C.not to be late D.is not late 2.Please dont make a noise!_.I will be as quiet as a mouse.A.Yes,I wont.B.No,I wont.C.No,I will.D.Yes,I will.第9页/共19页3.Stop talking and _ to me.I have some news for you.A.l

6、istening B.listen C.to listen D.listened4._ to the English program more often,and you will be able to get it.A.If you listen B.Listening C.when listen D.Listen第10页/共19页5._ English with you is a lot of fun!A.Learn B.Learning C.If I learn D.When learning6.Let us stay here for two days,_?A.will you B.s

7、hall we C.dont you D.arent we第11页/共19页1.Tom did his homework _.He made lots of mistakes.(care)2.Tom fell off his bike and hurt himself _(严重地)3.Mr.Li cooks well.He is a good _(cook)4.What _(别的）would you like?5.The accident _(happen)yesterday.6.We try our best to stop accidents from _(发生）at school.car

8、elesslyseriouslycookelsehappenedhappeningFill in the blanks with the proper words第12页/共19页7.Santa Claus has nine _(驯鹿）to pull his sleigh.The _(九)is called Rudolph,a red-nosed reindeer.8.He didnt succeed until he tried the_(十二)time.9.People often hurt themselves by _(fall)off chairs.10.Be careful wit

9、h _(刀子）.11.Dont jump from too high a _(高度).12.Please _(关掉)the light before you leave.reindeertwelfthfallingknivesheightturn offninth第13页/共19页请根据括号内的要求,改写下列句子,每空一词(含缩写)。1.Get up earlier,or you will miss the early bus.(改为同义句)_ you_ get up earlier,you will miss the early bus.Ifdont第14页/共19页2.Before he

10、told me about the accident,I knew nothing about it.(同上)I_ know_ about the accident_ he told me.3.While I was trying to sleep,there was a knock at the door.(同上)I was trying to sleep_ someone _ at the door.didntanythinguntilwhenknocked第15页/共19页4.I havent decided when I shall leave.(改为简单句)I havent decided_ _ leave.5.The job might match your skills.(改为否定句)The job_ _ match your skills.might notwhen to第16页/共19页第17页/共19页第18页/共19页感谢您的观看！第19页/共19页