八年级英语上册-Unit-4-Do-it-yourself-Grammar省公开课一等奖新名师优质课.pptx

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,1/46,Grammar,2/46,Grammar A,3/46,Giving instructions,Put up a picture on the wall.,Put up a shelf on the wall.,We start a sentence with the base form of a verb when we want to tell people what to do.,4/46,Dont swim here.,Dont park your bike here.,We add dont in front of the verb when we want to tell people not to do something.,5/46,Giving instructions,6/46,1.祈使句概念,祈使句表示请求、命令等。它主语是you（听话人），通常不说出。祈使句必定结构中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.祈使句结构,1)祈使句必定结构,Do型（以行为动词原形开头），比如：,Sitdown!坐下！Standup!起立！,7/46,Be型（以be开头），比如：,Bequiet!平静！,Becareful！小心！,Let型（以let开头），比如：,Letmetry.让我试试看。Letslookatthemap.让我们看看地图。,lets是letus简略式。,8/46,表示请求、劝说祈使句还经常在句前或句末加上please,组成句式：Please 或,please.以使语气愈加缓解或客气。比如：,Pleasestandup.或 Standup,please.,请站起来。Pleasehavearest.或 Havearest,please.请休息一下。,9/46,2)祈使句否定结构，一律在必定结构前加Donot(Dont)。比如：,Dontgothere,please.请别去那儿。,Dontbelateforclass!上课别迟到！,Dontlethimin.不要让他进来。,10/46,Park your bike here.,Please go slowly.,More instructions,11/46,Dont smoke here.,Dont fish here.,More instructions,12/46,Be quiet,please.,Dont make any noise.,More instructions,13/46,Millie is teaching her classmates how to make cards to help them remember things better.Look at the pictures and help Millie complete the instruction.,How to make cards,14/46,_ out pieces of card with a pair of scissors.,Cut,cut draw give keep look try write,15/46,_ some words or a sentence on each card.,Write,cut draw give keep look try write,16/46,_ a picture about the words or sentence on the other side of the card.,Draw,cut draw give keep look try write,17/46,_ at the picture and _ to remember what is on the other side.,Look,try,cut draw give keep look try write,18/46,Please _(not)up._ trying,and you will find you can remember things better.,dont give,Keep,cut draw give keep look try write,19/46,1.剪出,2.写一些话或一个句,子,3.在每张卡上,4.在卡另一面,5.尝试做某事,6.记住某事,7.放弃,8.放弃某事/做某事,9.坚持尝试,10.把事情记得更加好,cut out,write some words or a,sentence,on each card,on the other side of the card,try to do sth.,remember sth.,give up,give up sth./doing sth.,keep trying,remember things better,Useful Expressions,20/46,Grammar B,21/46,should&had better,22/46,1.Please know a little about DIY.,You should know a little about DIY.,We use should and had better when giving advice,and telling people what is the best or right thing,to do.,You had better know a little about DIY.,23/46,2.Please put in a brighter light in the room.,You should put in a brighter light in the room.,We use should and had better when giving advice,and telling people what is the best or right thing,to do.,You had better put in a brighter light in the room.,24/46,3.Dont hit the pipe.,You should not/shouldnt hit the pipe.,You had better not hit the pipe.,We use should and had better when giving advice,and telling people what is the best or right thing,to do.,25/46,4.Dont paint the whole room blue.,You should not/shouldnt paint the whole room blue.,You had better not paint the whole room blue.,We use should and had better when giving advice,and telling people what is the best or right thing,to do.,26/46,当我们给他人提提议时，能够用had better和should，表示“最好”或“应该”做某事，had better语气比should强一些。,Your watch is broken.You had better buy a new one.,你手表坏了，你最好买个新。,You should exercise more.,你应该多锻炼。,27/46,had better(常简略为d better)，是一固定词组，后面必须跟动词原形，没有些人称和数改变。组成：had better do sth.句型。,Youd better,go,to hospital at once.,你最好马上去医院看病。Tom,youd better,go,there today.,汤姆，你最好今天去那儿。,had better 否定式是将not直接放在had better后面。,You had better,not be,late for school.,你最好不要上学迟到。,28/46,should 后面也要跟动词原形，且没有些人称和数改变。,You,should,stop,smoking.,你应该戒烟。,should 否定式是should not/shouldnt。,You,shouldnt put,so many books on the shelf.,你不应该在架子上放如此多书。,29/46,DIY advice,Suzy is giving DIY advice to her classmates.Read the advice below.Help Suzy make sentences with,should(not)or had better(not).,30/46,DIY advice,Read the advice and make sentences with should(not)or had better(not).,begin your work without reading them,You shouldnt begin your work without reading them.,You had better not begin your work without reading them.,31/46,DIY advice,Read the advice and make sentences with should(not)or had better(not).,join a DIY club to learn more about it,You should join a DIY club to learn more about it.,You had better join a DIY club to learn more about it.,32/46,DIY advice,Read the advice and make sentences with should(not)or had better(not).,be patient,You should be patient.,You had better be patient.,33/46,DIY advice,Read the advice and make sentences with should(not)or had better(not).,buy some to learn more about it,You should buy some to learn more about it.,You had better buy some to learn more about it.,34/46,DIY advice,Read the advice and make sentences with should(not)or had better(not).,play with them when you do DIY jobs,You should not play with them when you do DIY jobs.,You had better not play with them when you do DIY jobs.,35/46,a,begin your work without reading them,b,join a DIY club to learn more about it,c,be patient,d,buy some to learn more about it,e,play with them when you do DIY jobs,1.There are many useful books,about DIY.,You,should/had better,buy some to learn more about it.,36/46,2.DIY is not easy.,You,should/had better,join a DIY club to learn more about it.,You,shouldnt/had better not,begin your work without reading them.,3.Instructions are important.,37/46,You,should/had better,be careful when you use them.,4.Scissors can be dangerous.,You,should/had better,be patient.,5.Sometimes itll take time to do a DIY job.,38/46,1.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。其否定形式是在动词原形,前加do not/dont。为了表示客气和礼,貌，能够加上please。,2.当我们给他人提提议时，能够用had,better和should，表示“最好”或“应该”做某事。否定形式是had better not和,should not/shouldnt。,Reflection,39/46,40/46,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,41/46,3._ 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,42/46,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.(改为否定句)_ next to Nancy.,Read it,Listen to,Dont be,Dont sit,43/46,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,44/46,1.Review the Grammar and make,some sentences with,should(not),and,had better(not),.,2.Finish the Exercises.,Homework,45/46,46/46,