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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,*,*,Unit 4,Do it yourself,Grammar,Look at the following sentences.,1.Wake up,Eddie!(,七年级上册,U4),2.OK.Give me ten.(,七年级上册,U6),3.Dont be afraid.Come with me.,(,七年级下册,U4),4.Hurry up,Eddie.(,七年级下册,U6),5.Please bring me something to eat.,(,七年级下册,U8),Giving instructions,1.,祈使句的概念,祈使句表示请求、命令等。它的主语是,you,听话人,，通常不说出。祈使句肯定结构中的谓语动词一律用动词原形。祈使句末用惊叹号或句号，句子用降调。,2.,祈使句的结构,1),祈使句的肯定结构,Do,型,以行为动词原形开头,，例如：,Sitdown!,坐下！,Standup!,起立！,Be,型,以,be,开头,，例如：,Bequiet!,安静！,Becareful,！小心！,Let,型,以,let,开头,，例如：,Letmetry.,让我试试看。,Letslookatthemap.,让我们看看地图。,lets,是,letus,的简略式。,表示请求、劝告的祈使句还常常在句前或句末加上,please,构成句式：,Please,或,please.,以使语气更加缓和或客气。例如：,Pleasestandup.,或,Standup,please.,请站起来。,Pleasehavearest.,或,Havearest,please.,请休息一下。,2),祈使句的否认结构，一律在肯定结构前加,Donot(Dont),。例如：,Dontgothere,please.,请别去那儿。,Dontbelateforclass!,上课别迟到！,Dontlethimin.,不要让他进来。,should&had better,当我们给他人提建议时，可以用,had better,和,should,，表示“最好,或“应该,做某事，,had better,的语气比,should,强一些。,You had better refrigerate the beer before drinking it.,喝啤酒前你最好先把它冷冻一下。,You should exercise more.,你应该多锻炼。,had better(,常简略为,d better),，是一固定词组，后面必须跟动词原形，没有人称和数的变化。构成：,had better do sth.,句型。,Youd better go to hospital at once.,你最好立即去医院看病。,Tom,youd better go there today.,汤姆，你最好今天去那儿。,had better,的否认式是将,not,直接放在,had better,的后面。,You had better not miss the last bus.,你最好不要错过末班公共汽车。,should,后面也要跟动词原形，且没有人称和数的变化。,You should stop smoking.,你应该戒烟。,should,的否认式是,should not/shouldnt,。,You shouldnt drink and drive.,你不应该喝酒后开车。,1.,当我们向他人发出命令、提出要求或建,议时，常使用祈使句。其主语通常不明,确表示出来。其否认形式是在动词原形,前加,do not/dont,。为了表示客气和礼,貌，可以加上,please,。,2.,当我们给他人提建议时，可以用,had,better,和,should,，表示“最好,或“应该,做,某事。否认形式是,had better not,和,should not/shouldnt,。,Reflection,I.,单项选择。,1.The TV is too loud.Please _.A.turn it down B.to turn it down,C.turn down it D.to turn down it2._ late again,Bill!,A.Dont to be B.Dont be,C.Not be D.Be not,3._ cross the road until the traffic,lights turn green.A.Not B.Wont,C.Doesnt D.Dont4._ me the truth,or Ill be angry.,A.Telling B.To tell,C.Told D.Tell,II.,句型转换。,1.Will you please read it again more slowly?,(,改为祈使句,),_ again more slowly,please.2.If you dont listen to me,Ill go.,(,改为同义句,)_ me,or Ill go.3.The teachers often tell the students not to,be careless.(,改为祈使句,),_ careless,please.4.Please sit next to Nancy.(,改为否认句,),_ next to Nancy.,Read it,Listen to,Dont be,Dont sit,III.,完成句子。,1.,你应该在南京换火车。,_ change trains at Nanjing.,2.,你最好在下雨前回家。,_ before the rain,starts.,3.,现在你最好别打棒球了。,_ baseball now.,4.,不要把金鱼放在阳光下。,_ the goldfish in the sun.,You should,Youd better go home,You had better not play,Dont put,1.Review the Grammar and make,some sentences with,should(not),and,had better(not),.,2.Finish the Exercises in the workbook.,Homework,第二课时,A1 How do you get to school?,Mille and her friends are,talk,ing,about,how they,get to school,every day.Listen to their conversation and match each girl with the,way,she goes to school,How do you get to school,A2 Listen to the conversation again,and complete the table below.,Name,How does she get to school?,How long does it take?,Millie,Amy,Sandy,by bus/,take the bus,half an hour,walk/,on foot,ten minutes,ride a bike/,by bike,twenty,minutes,A3 Complete Millies notes below.,It is a long way from my home to the school,.I(1)_ to school every day.,It takes me about(2)_.,I often get up at(3)_.,My friend Amy lives near our school.,She(4)_ to school every morning.,take the bus,half an hour,six thirty,walks,It takes her(5)_.She always gets to school(6)_.Sandy goes to school(7)_.It takes her about(8)_ to get to school.,ten minutes,early,by bike,twenty minutes,take,后面常跟双宾语,，常见用法有以下,(1)It takes sb.,时间,to do sth.,做某事花了某人多少时间,例：,.,他们用了三年时间修完了这条路。,(2)doing sth.takes sb.,时间,.,做某事花了某人多少时间。,例：他花了一下午修路。,It takes them three years to build this road,Building the road takes him the whole afternoon.,spend的主语必须是人，常用于以下结构：,spend time money on sth.在上花费时间金钱。,例：这道数学题花了我两个小时。,(2)spend time money(in)doing sth.花费时间金钱做某事。,例：造这座桥花了他们两年时间。,I spent two hours on this Maths problem.,They spent two years(in)building this bridge.,Speaking,Speak up:,Do you have a library?,Listen to the conversation and talk about your school.,Use Shirley and Amys conversation as a model.,Make up a dialogue.,A:Do you have a at your school?,B:,A:When is it open?,B:Its open from to,A:Do you often go there?,B:,A:Do you?,B:,
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