人教七下英语unit4SectionA2.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 4,Dont eat in class.,上课时不准吃东西,Section A,Period Two,Words review,year,j,r,afraid,fr,ei,d,like,l,ai,k,villager,v,l,d,leave,l,i:,v,dream,dr,i:,m,true,tr,u,:,come true,n.,年；岁,adj.,害怕；畏惧,prep.,像；怎么样,n.,村民,v.,离开,n.,梦想；睡梦,v.,做梦,adj.,真的；符合事实的,实现；成为现实,1.Its easy for us _ math.,2.It takes me an hour _ math.,to study,to study,Its adj.(for sb.)to do,sth,.,1.学会谈论图书馆规则。,2.情态动词can，cant，must，与 have to的使用。,教学目标,n.,规则；规章,v.,到达,准时,n.,走廊,;,过道,n.,大厅；礼堂,n.,hall,餐厅,v.,听；倾听,听,v.&n,.,打架；战斗,sorry,s,:,r,i,outside,au,ts,ai,d,wear,w,important,i,mp,:,t,nt,bring,br,i,uniform,j,u:,n,i,f,:,m,quiet,kw,ai,t,rule,r,u:,l,arrive,r,ai,v,(be)on time,hallway,hlw,ei,hall,h,:,l,dining,d,ai,n,i,listen,l,i,s,n,listen to,fight,f,ai,t,adj.,抱歉的；难过的；,adv.,在外面,adj.,外面的,adj.,外面的,v.,穿；戴,adj.,重要的,v.,带来；取来,n.,校服；制服,adj.,安静的,Listen to me.,inside,在里面,take,拿走,Can,we play it in class?,No,we,cant,.,But we can play it,outside,.,Dont play sports in class.,Look and say.,自学指导,P,lay sports,outside,.,否定祈使句：,肯定祈使句：,Can,you eat in class?,No,we,cant,.,But we can eat in the,dining hall,.,_eat in class.,Dont,E,at,in the,dining hall,.,Can you_?,_.,_in class.,Dont listen to music,listen to music in class,No,we cant,_in the hallways?,No,_.,Can,you run,we,cant,Dont _.,run,in the hallways,.,反义,taketo,取走,bring,sth.to,swh,.,must be,on time,have do,sth,.,be quiet,be/arrive late for,there be,2d,Role-play the conversation.,John:Hi,my names John.Its,my first,day at school.,Alice:Hi,John.Im Alice.This is a great school,but,there,are,a lot of,rules,.,John:Really?What are some of the rules?,Alice:Well,dont,be late for,class.This is,ver,y,important,.,John:OK,so we,must,be,on time.Can we,bring,music players,to,school?,Alice,:,No,we cant.And we always,have to,wear,the,schooluniform,.,John:I see.,Alice:Oh,and we also,have to,be quiet,in the library.,=lots of,=many =n.,复数“许多”,=,带来反义：,taketo,取走,=be in穿着,=arrive late for+,名词 （对）.迟到,the/,形容词性物主代词,+,序数词,客观上,必须,be,+,形容词,”,安静的,”,复数,单数句,:There is a ruler.,(,有,),主观上必须,情态动词,can,在否定句中,直接在,can,后加上,not,在疑问句中,把,can,放到主语前面,并且没有人称和数的变化。,用所给单词的适当形式填空。,1.Dont _(listen)to music in the,library.,2.Do we have to _(clean)the room,every day?,3.You cant _(wear)sunglasses in,the classroom.,4.Please _(arrive)at school,on,time,(,准时,).,5.John is often late for _(class).,class,listen,clean,wear,arrive,堂 清,Lets play a game!,Who knows these signs?,自学指导,Dont,sleep in class.,Dont,wear a hat,in class.,Dont,dance in class.,当堂训练一,Dont eat in the classroom.,in the classroom,Dont take photos here.,No photos!,Dont talk in the library!,No talking!,in the library,Dont talk loudly in,class,!,Dont,smoke!,No smoking!,Dont,take,your,schoolbags,to,thlibrary,!,No schoolbags!,情态动词,can,的用法,1),表示能力“会,能”,。如：,Can,youplaytheguitar?,Judy,can,speakalittleChinese.,朱蒂会说一点中文。,2),表示允许,，,许可,可以、“能”,(,在这一课中新学的词义,),Can,thestudentsruninthehallways?,学生们可以在,We,can,eatoutside.,我们可以在外面吃东西。,注意,:,和大部分情态动词一样,can,在否定句中,直接在,can,后加上,not,在疑问句中,把,can,放到主语前面,并且没有人称和数的变化。,Library rules,1.,Dont talk.,2._,3._,_,4._,_,Dont eat.,Write the rules for the school library.,3a,Dont listen to music.,Dont take photos.,Use the words to make questions about the rules.Then write answers according to your school.,3b,1.Be quite?,Q:,Does she have to be quite in the library?,(she/have to/in the library),A:,Yes,she does.,2.Eat?,Q:_,(he/have to/in the dining hall)?,A:_,Does he have to eat in the dining hall?,No,he doesnt.He can also eat outside.,3.Listen to music?,Q:_,(we/can/in the hallways)?,A:_,4.Wear a hat?,Q:_,(we/can/in the classroom)?,A:_,Can we listen to music in the hallways?,Can we wear a hat in the classroom?,No,we cant.,No,we cant.,have to:,由于客观需要而必须，不得不做某事。,1）,肯定形式,：主语,have to/has to,动词原形,其他,1.I,have,to get up early on Monday morning,周一早上我必须要早起。,2.Jim,has,to help his mother do some cooking.,Jim必须要帮助他妈妈做家务,2),否定形式,:,主语,donthaveto,动词原形其他,(,一般现在时,主语是第三人称单数时,用,doesnt have to;,如：,Nick,doesn,thaveto,wearauniform.,尼克不必穿制服。,3),疑问句,:,Do,/,Doe,s,主语,haveto,动词原形其他 如,Yes,Ido./No,Idont.是的,我必须。不,我不必。,do morning exercise,s,every day,I _a uniform every day.,They _wear a uniform every day.,Yes,_.,Look and say.,Do you,have to,wear a,uniform every day?,have to,No,_.,have to,wear,I do,I dont,自学指导,I _do homework,every day.,have to,I _,on weekends.,have to clean my bedroom,Do we have to wear a uniform?,Yes,we do.,Pair work,Ask and answer questions about the rules at your school.,当堂训练三,We,have to,.,We,have to,arrive at school on time.,We,have to,do homework every day.,We,have to,clean the classroom every day.,We,have to,keep the classroom clean.,We,have to,study hard at all lessons.,What do you,have to,do at school?,Group work,-Do you,have to,in the school?,-Yes,we do./No,we dont.,wear school uniforms every day,clean the classrooms every day,do morning exercise,s,every day,do homework every day,have classes,from,Monday,to,Saturday,arrive at,school before 7:00am,listening to English every day,做早操,从.到.,arrive at,+小地点,Make up five cool rules for your dream school.Share your rules with the class.Your classmates vote for the Coolest School!,3c,1.We can eat in,class.,2.We dont have to come to school every day.,3.,Language points,祈使句,是用来表示请求、命令、叮嘱、号召或者劝告等的句子,这类句子的主语常是第二人称,you,也就是听话者,因而,you,常省去了。祈使句的开头是,动词原形,。,如,:,Lookout!,小心！,Waithereforme!,在这等我！,Besuretocomehereontime!,务必准时来到这里！,祈使句表示请求、命令、劝说、号召、,警告等。表示委婉的祈使语气，可在句首或句末加上,please,，若在句末加,please,，之前要用逗号隔开。祈使句有肯定祈使句与否定祈使句两种。,祈使句的常见句型结构,Grammar,1.,肯定祈使句的常见句型结构：,Do,型：动词原形,+,宾语,+,其他,.,如：,Open the door,please.,Be,型：,Be+,表语,.,如：,Be a good boy!,Let,型：,Let+,宾语,+,动词原形,+,其他,.,(,或：,Lets+,动词原形,+,其他,.),如：,Let me help you.,又如：,Lets play tennis.,2.,否定祈使句的常见句型结构：,Do,型和,Be,型的否定式：,Dont+,动词,原形,/be+,其他,.,如：,Dont forget me.,又如：,Dont be late.,Let,型的否定式：,Dont+let+,宾语,+,动词原形,+,其他,.(,或：,Lets+not+,动词原形,+,其他,.),如：,Dont let him go back.,又如：,Lets not go swimming.,警示语：,No+,名词,/,动词,-ing,形式,.,如：,No talking.,-,Can,we eat in the classroom?,No,we,cant,but we,can,eat in the,dining hall.,-Can we wear a hat in class?,-Yes,we can./No,we cant.,Does,he,have to,wear a uniform at,school?,Yes,he,does,./No,he,doesnt,.,What,do you have to do?,We,have to,be quiet in the library.,课时重点回顾,Review,将下面的句子改为祈使句，每空一词。,1.You can come in.,_ _,please.,2.I can help you.,_ me _ you.,3.You cant eat in class.,_ _ in class.,4.You cant be late for school.,_ _ late for school.,5.You cant take photos here.,_ photos here.,Come in,Let help,Dont eat,Dont be,No,1.,Write down ten sentences about what you,can or cant do in your house.,2.学与测P22.,We cant eat in bed.,We cant fight.,.,日 清,Thank you.,