人教七下英语unit4SectionA2课件.ppt

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1、Unit 4Dont eat in class.上课时不准吃东西上课时不准吃东西Section APeriod TwoWords review yearjr afraidfreid likelaik villagervld leaveli:v dreamdri:m truetru:come truen.年;岁年;岁adj.害怕;畏惧害怕;畏惧prep.像;怎么样像;怎么样n.村民村民v.离开离开n.梦想;睡梦梦想;睡梦v.做梦做梦adj.真的;符合事实的真的;符合事实的实现;成为现实实现;成为现实1.Its easy for us _ math.2.It takes me an hour _

2、math.to studyto studyIts adj.(for sb.)to do sth.1.学会谈论图书馆规则。学会谈论图书馆规则。2.情态动词情态动词can,cant,must,与,与 have to的使用。的使用。教学目标教学目标n.规则;规章规则;规章v.到达到达准时准时n.走廊走廊;过道过道n.大厅;礼堂大厅;礼堂n.hall 餐厅餐厅v.听;倾听听;倾听听听v.&n.打架;战斗打架;战斗sorrys:rioutside,autsaidwearwimportant imp:tntbring bri uniformju:nif:mquiet kwait rule ru:larri

3、veraiv (be)on timehallwayh:lwei hallh:l diningdainilistenlisnlisten tofightfaitadj.抱歉的;难过的;抱歉的;难过的;adv.在外面在外面adj.外面的外面的 adj.外面的外面的 v.穿;戴穿;戴 adj.重要的重要的v.带来;取来带来;取来n.校服;制服校服;制服adj.安静的安静的Listen to me.inside在里面在里面take拿走拿走Can we play it in class?No,we cant.But we can play it outside.Dont play sports in c

4、lass.Look and say.自学指导自学指导Play sports outside.否定祈使句:否定祈使句:肯定祈使句:肯定祈使句:Can you eat in class?No,we cant.But we can eat in the dining hall._eat in class.DontEat in the dining hall.Can you_?_._in class.Dont listen to musiclisten to music in classNo,we cant_in the hallways?No,_.Can you runwe cantDont _.r

5、un in the hallways.反义反义taketo取走取走bring sth.to swh.must be on timehave do sth.be quietbe/arrive late for there be2d 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 r

6、ules?Alice:Well,dont be late for class.This is very 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.复数复数“许多许多”=带来带来反义:反义:taketo取

7、走取走=be in穿着穿着=arrive late for+名词名词 (对)(对).迟到迟到the/形容词性物主代词形容词性物主代词+序数词序数词客观上客观上必须必须be+形容词形容词”安静的安静的”复数复数单数句单数句:There is a ruler.(有有)主观上必须主观上必须情态动词情态动词can在否定句中在否定句中,直接在直接在can后后加上加上not,在疑问句中在疑问句中,把把can放到主语前放到主语前面面,并且没有人称和数的变化。并且没有人称和数的变化。用所给单词的适当形式填空。用所给单词的适当形式填空。1.Dont _(listen)to music in the librar

8、y.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(准时准时).5.John is often late for _(class).classlistencleanweararrive堂堂 清清自学指导自学指导Dont sleep in class.Dont wear a hat in class.Dont dance in class.当堂训练一当堂训练一Dont eat in the cla

9、ssroom.in the classroomDont take photos here.No photos!Dont talk in the library!No talking!in the libraryDont talk loudly in class!Dont smoke!No smoking!Dont take your schoolbags to thlibrary!No schoolbags!情态动词情态动词can的用法的用法1)表示能力表示能力“会会,能能”。如:。如:Can you play the guitar?Judy can speak a little Chines

10、e.朱蒂会说一点中文。朱蒂会说一点中文。2)表示允许,许可表示允许,许可,可以、可以、“能能”(在这一课中新学的词在这一课中新学的词义义)Can the students run in the hallways?学生们可以在学生们可以在We can eat outside.我们可以在外面吃东西。我们可以在外面吃东西。注意注意:和大部分情态动词一样和大部分情态动词一样,can在否定句中在否定句中,直直接在接在can后加上后加上not,在疑问句中在疑问句中,把把can放到主语放到主语前面前面,并且没有人称和数的变化。并且没有人称和数的变化。Library rules1.Dont talk.2._3

11、._ _4._ _Dont eat.Write the rules for the school library.3aDont listen to music.Dont take photos.Use the words to make questions about the rules.Then write answers according to your school.3b3b1.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:_

12、(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 c

13、ant.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)否定形式否定形式:主语主语dont have to动词原形其他动词原形其他(一般现在一般现在时时,主语是第三人称单数时主语是第三人称单数时,用用doesnt have to;如:如:Nick doesn t have to wear a uniform

14、.尼克不必穿制服。尼克不必穿制服。3)疑问句疑问句:Do/Does主语主语have to 动词原形其他动词原形其他 如如Yes,I do./No,I dont.是的是的,我必须。我必须。不不,我不必。我不必。do morning exercises every dayI _a uniform every day.They _wear a uniform every day.Yes,_.Look and say.Do you have to wear a uniform every day?have toNo,_.have to wearI doI dont自学指导自学指导I _do homew

15、ork every day.have toI _on weekends.have to clean my bedroom Do we have to wear a uniform?Yes,we do.Pair workAsk and answer questions about the rules at your school.当堂训练三当堂训练三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 h

16、ave 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 toin the school?-Yes,we do./No,we dont.l wear school uniforms every dayl clean the classrooms every dayl do morning exercises every dayl do homework every dayl have classes fr

17、om Monday to Saturdayl arrive at school before 7:00aml listening to English every day做早操做早操从从.到到.arrive at+小地点小地点Make up five cool rules for your dream school.Share your rules with the class.Your classmates vote for the Coolest School!3c1.We can eat in class.2.We dont have to come to school every da

18、y.3.祈使句祈使句是用来表示请求、命令、叮嘱、号是用来表示请求、命令、叮嘱、号召或者劝告等的句子召或者劝告等的句子,这类句子的主语常这类句子的主语常是第二人称是第二人称you,也就是听话者也就是听话者,因而因而you常常省去了。祈使句的开头是省去了。祈使句的开头是动词原形动词原形。如如:Look out!小心!小心!Wait here for me!在这等我!在这等我!Be sure to come here on time!务必准时来到这里!务必准时来到这里!祈使句表示请求、命令、劝说、号召、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,可在句首警告等。表示委婉的祈使语气,

19、可在句首或句末加上或句末加上please,若在句末加,若在句末加please,之前要用逗号隔开。祈使句有肯定祈使句之前要用逗号隔开。祈使句有肯定祈使句与否定祈使句两种。与否定祈使句两种。祈使句的常见句型结构祈使句的常见句型结构1.肯定祈使句的常见句型结构:肯定祈使句的常见句型结构:Do型:动词原形型:动词原形+宾语宾语+其他其他.如:如:Open the door,please.Be型:型:Be+表语表语.如:如:Be a good boy!Let型:型:Let+宾语宾语+动词原形动词原形+其他其他.(或:或:Lets+动词原形动词原形+其他其他.)如:如:Let me help you.又如

20、:又如:Lets play tennis.2.否定祈使句的常见句型结构:否定祈使句的常见句型结构:Do型和型和Be型的否定式:型的否定式:Dont+动词动词原形原形/be+其他其他.如:如:Dont forget me.又如:又如:Dont be late.Let型的否定式:型的否定式:Dont+let+宾语宾语+动词动词原形原形+其他其他.(或:或:Lets+not+动词原形动词原形+其其他他.)如:如:Dont let him go back.又如:又如:Lets not go swimming.警示语:警示语:No+名词名词/动词动词-ing形式形式.如:如:No talking.-Ca

21、n 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.课时重点回顾课时重点回顾将下面的句子改为祈使句,每空一词。将下面的句子改为祈使句,每空一词。1

22、.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 inLet helpDont eatDont beNo1.Write down ten sentences about what you can or cant do in your house.2.学与测学与测P22.We cant eat in bed.We cant fight.日日 清清

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