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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,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,*,*,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,*,*,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,*,*,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,*,*,CHAPTER,FIVE,5,Electricity,第一页，编辑于星期五：十五点 十九分。,Language,Can,and,cannot,May,and,may not,Must,and,must not,第二页，编辑于星期五：十五点 十九分。,Can,and,cannot,1,2,6-1,3,4,Can,you,get,me a packet of electricity,please?,We use,can,and,cannot,(,cant,)to say we are able or not ableto do things.,5,6,第三页，编辑于星期五：十五点 十九分。,I,can count,.,You,cannot,spell,.,Can,they,dance,?,Yes,he,can,./No,she,cant,.,When we use modal verbs,for example,can,and,cannot,with other verbs,the verbs following the modal verbs do not change their form.,1,2,6-2,3,4,5,6,第四页，编辑于星期五：十五点 十九分。,1,2,6-3,3,4,A,Read what Hi and Lo say about themselves.Then say if the statements below are,T,(True)or,F,(False).,I can swim,dance,play football and speak two languages.I cant cook,play the guitar or ride a bicycle.,I can fly,dance,play chess and speak ten languages.I cant type,paint pictures or drive a car.,5,6,第五页，编辑于星期五：十五点 十九分。,1,2,6-4,3,4,Hi can play football.,T/F,Lo cannot paint pictures.,T/F,Hi can speak more languages than Lo.,T/F,Hi and Lo can both dance.,T/F,Lo can drive a car,but he cannot play chess.,T/F,Hi can swim,but he cannot play the guitar.,T/F,Lo can fly and type.,T/F,5,6,第六页，编辑于星期五：十五点 十九分。,1,2,6-5,3,4,B,Look at the pictures.Ask questions and giveanswers about them.Use the words in the box to help you.,subtract,spell,add,multiply,1,S1 _ Kitty _?,S2 _,Can,spell,Yes,she can.,5,6,第七页，编辑于星期五：十五点 十九分。,1,2,6-6,3,4,2,3,4,S1 _ Kitty _?,S2 _,Can,add,No,she cant.,S1 _ Derek _?,S2 _,Can,subtract,Yes,he can.,S1 _ Kitty _?,S2 _,Can,multiply,No,she cant.,5,6,第八页，编辑于星期五：十五点 十九分。,May,and,may not,1,2,3,5-1,4,5,May,I,have,my packet of electricity,please?,Yes,you,may,.,We use,may,and,may not,to askfor and give permission.We also use,can,and,cannot,(,cant,)forthe same purpose.,第九页，编辑于星期五：十五点 十九分。,You/He/She,may/can sit,down.,You/He/She,may not/cannot,leave,.,May/Can,they,come,in?,Yes,they,may/can,.,No,they,may not/cant,.,1,2,3,5-2,4,5,第十页，编辑于星期五：十五点 十九分。,A,Benny meets his sister in the park and walks homewith her.He is very polite.What is he asking her?Make questions for Benny.Use,May,or,Can,and the words in the box.,1,2,3,5-3,4,5,borrow your new bicycle,carry your bag for you,get you a chair,open the door,switch on the TV,1,2,May/Can I carry your bag for you?,May/Can I open the door?,第十一页，编辑于星期五：十五点 十九分。,1,2,3,5-4,4,5,borrow your new bicycle,carry your bag for you,get you a chair,open the door,switch on the TV,3,4,5,May/Can I get you a chair?,May/Can I switch on the TV?,May/Can I borrow your bicycle?,第十二页，编辑于星期五：十五点 十九分。,1,2,3,5-5,4,5,B,Ask proper questions according to the givensituations,using,May,or,Can,.,If you stand up and the teacher has forgotten to tell you to sit down,what can you say?,If it is very hot in the classroom,what can you say?,If you find it very difficult to breathe because the room is too stuffy,what can you say?,If it is raining outside,what can you say?,If you want to go to the toilet,what can you say?,May I sit down,please?,May I turn on the fan,please?,May I open the windows,please?,May I close the windows,please?,May I go to the toilet,please?/May I be excused,please?,第十三页，编辑于星期五：十五点 十九分。,Must,and,must not,10-1,You,must,always,be,careful with electricity.,We use,must,and,must not,(,mustnt,)to tell people whatto do or what not to do.,1,2,3,4,5,6,7,8,9,10,第十四页，编辑于星期五：十五点 十九分。,I/You/He/She,must turn,it on.,You,must not switch,it off.,Must,they,leave,?,Yes,they,must,./No,they,neednt,.,10-2,1,2,3,4,5,6,7,8,9,10,第十五页，编辑于星期五：十五点 十九分。,A,We often use signs as well as words to tellpeople what to do or what not to do.Work in pairs to explain these signs.S1 says the sentences to S2.S2 gives the letters of the signs.,10-3,1,2,3,4,5,6,7,8,9,10,第十六页，编辑于星期五：十五点 十九分。,10-4,You must turn left.,You must be careful.,You must not smoke.,You must pay ten yuan.,You must not cycle.,You must not turn right.,You must not
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