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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,*,精选ppt课件,*,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,精选ppt课件,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,二级,三级,四级,五级,精选ppt课件,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,二级,三级,四级,五级,*,Dont eat in class.,Unit 4,1,精选ppt课件,hallway,走廊；过道,New words,2,精选ppt课件,classroom,教室,New words,3,精选ppt课件,New words,rule,规则,4,精选ppt课件,dinning,饭厅；餐厅,New words,5,精选ppt课件,New words,fight,打架；争吵,6,精选ppt课件,Dont fight.,不要打架,fight,战斗，斗争，作战,fight,with,sb.,同某人打架,fight the fire,救火,7,精选ppt课件,fight,是不及物动词，其后加上,with,才能接宾语。,fight with sb.,意为“与某人打架”。如：,Dont fight with your sister again.,不要再和你妹妹打架了。,They are fighting with the enemies bravely.,他们正在勇敢地同敌人战斗。,Explanation,8,精选ppt课件,Notes:,1,arrive,in/at,+,地点,get,to,+,地点,reach+,地点,(,到达某地方,),class,班，课,in,class,在课堂上,have,classes,上课,be late for,class,上课迟到,9,精选ppt课件,inside,里面的；在里部的,on time 准时 in time 及时,他每天准时到校。,He,gets to,school on time everyday,她及时赶到了医院。,She,reach,the hospital in time.,be strict with sb.,他爸爸对他很严格。,His father is strict with him.,10,精选ppt课件,重点短语,迟到,arrive（be）late for,在走廊/餐厅,in the hallway/dining hall,在教室/音乐教室,in the classroom/music room,听（音乐）,listen to(the music),外出,go out,清洗餐具,do the dishes,铺床,make ones bed,与某人打架,fight with sb,戴帽子,wear a hat/wear hats,11,精选ppt课件,Dont arrive late for class.,School Rules,12,精选ppt课件,Dont run in the hallways.,School Rules,13,精选ppt课件,Dont eat in the classroom.,School Rules,14,精选ppt课件,Dont listen to music in the classrooms or the hallways,.,School Rules,15,精选ppt课件,Dont fight.,School Rules,16,精选ppt课件,Dont talk in class.,Dont talk with each other in class.,School Rules,17,精选ppt课件,Dont sleep in class.,School Rules,18,精选ppt课件,School Rules,Dont use mobile phone in class.,19,精选ppt课件,Dont smoke.(No smoking),School Rules,20,精选ppt课件,We cant,rule,the country,without,rule,s.,没有,规章制度,就不能,治理,好国家,.,follow the rules,keep rules,break rules,school rules,class rules,family rules,library rules,dining rules,遵守规则,违反规则,校规,班规,家规,图书馆规则,就餐规则,21,精选ppt课件,break the class rules,talk about,rules,break the rules,违反规则,break the school rules,违反校规,违反班规,谈论,规则,Language goals,22,精选ppt课件,祈使句表请求、命令、叮嘱、邀请、劝告等。祈使句分为第二人称祈使句及第,、三人称祈使句两大类。,拓展,祈使句,一、祈使句的分类,1,第二人称祈使句通常用来向听话者发出命,令，提出要求或建议。这种祈使句的主语,you,通常不表示出来，而是以动词原形开,头。如：,Stand up!Dont worry about!,23,精选ppt课件,拓展,祈使句,2,第一、三人称祈使句是以第一人称和第,三人称代词或者名词等作为祈使的对,象，这类祈使句通常以,let,为引导词表建,议。如：,Lets go!,Let us go home!Let him be here by 10 oclock,24,精选ppt课件,二、祈使句的强调形式及否定形式,1.,祈使句的强调形式是在整个结构之前加,do,。如：,Do give my regards to your parents!,务必一定代我向你父母问好,!,2.,祈使句的否定形式是在整个结构之前加,dont,或,never,。如：,Dont be nervous!,你不要紧张,!,拓展,祈使句,25,精选ppt课件,肯定祈使句,否定祈使句,1.Sit down.,2.Come in.,3.Eat at home.,4.Listen to music outside.,5.Do your homework at school.,Dont,sit down.,Dont,come in,.,Dont,eat at home,.,Dont,listen to music outside.,.,Dont,do your homework at school,.,Practice,将下列祈使句改成否定形式。,26,精选ppt课件,拓展,情态动词,can,的用法,表示能力（如体力和脑力方面），意为,“能；会”等。例如：,Can you speak English?,你会讲英语吗？,2.,表示请求或允许，多用在口语中，意为“可以；能”等。例如：,Can I help you?,我能帮助你吗？,用于否定句表示不允许。例如：,You cant play basketball.,你不能玩篮球。,27,精选ppt课件,拓展,情态动词,can,的用法,用于疑问句中用来提出要求。例如：,Can you.,？“请你,好吗？”表示说话人的请求。,Can I.,？“我可以,吗？”用来征求对方是否允许自己做某事。如在句末加上,please,一词就显得更有礼貌了。例如：,Can you help me,please?,请你帮助我好吗？,28,精选ppt课件,拓展,情态动词,can,的用法,3.,表示可能。例如：,He can be at home now.,他现在可能在家。,The moon cant always be full.,月亮不可能常圆。,4.,表示怀疑。在表达此意时，只能用于一般,疑问句中，带有感情色彩。例如：,Can it be true?,那会是真的吗？,29,精选ppt课件,1.Mr Green,smoke here,because,theres a sign on the wall.It says“No,smoking.”,2.Its very hot outside.You,wear a hat.,3.We,eat in the classroom,because,its impolite to teachers.,4.I,go to bed after 22:00 on weekends.,5.The students,read books and,magazines in the library.,cant,can,can,can,cant,Practice,根据句意，用,can,和,cant,填空。,30,精选ppt课件,have to,意为“必须；不得不”，后接动词原形，有人称、数和时态的变化。,它的第三人称单数形式为,has to,，,过去式为,had to,。,含,have to,has to,had to,的句子需分别借助助动词,do,does,did,构成疑问句和否定句。如：,She has to go there by bus.(,改为一般疑问句,),Does she have to go there by bus?,They had to get up early.(,改为否定句,)They didnt have to get up early.,31,精选ppt课件,have to,的用法,1.,have to,句式,肯定式,:have/has to+,动词原形,We have to leave now.,She has to work on Sunday.,否定式,:dont/doesnt have to +,动词原形,一般疑问式,:,Do/Does+,主语,+have to+,动词原形,+,?,You dont have to walk.,He doesnt have to buy a new coat.,-Do you have to study English now?-Yes,I do.,-Does he have to go now?No,he doesnt(have to).,32,精选ppt课件,特殊疑问句,:,疑问词,+do/does+,主语,+,have to+,动词原形,+,?,What do you have to do?,Where does she have to go?,2.have to,与,must,的区别,have to,着重于客观的需要,含有,不得不,的客观强制性,;must,着重于主观上自己认为有义务,有必要,.,She has to clean the classroom every week.,I must go now.,在否定句中,dont have to,表示,没有必要,Mustnt,表示,禁止,.,You dont have to go there.,You mustnt play football on the road.,33,精选ppt课件,A:Do you,have to,wear a uniform?,B:Yes,I do./No,I dont.,have to:,不得,不,必须,1.I,have to,get up early on Monday morning.,2.Jim,has to,help his mother do some cooking.,3.I,had to,cook for my sister last night.,4.You,didnt have to,wait for me yesterday.,昨天你没有必要等我。,34,精选ppt课件,用,have to,或,has to,填空,1.We,clean our classroom after school.,2.She,make her bed,after getting up.,3.Its late.Mr Beckman,go
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