牛津译林版英语8Aunit4Grammar公开课ppt课件.ppt

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1、GrammarGrammar Lets reviewLets reviewAndrew is crazy about DIYAndrew is crazy about DIY.put in a brighter lightLets reviewLets reviewAndrew,be careful.make a mistakehave a power cutput up a pictureLets reviewLets reviewhit a pipefill the room with waterAndrew,put up the picture on the wall.paint the

2、 living room blueLets reviewLets reviewDont paint the room blue.Dont paint the cat.Evenhave not only blue walls but also a blue ceiling and floorspend 5 hours putting up the shelfbooks couldnt stayLets reviewLets reviewAndrew,please fix the shelf for me.BrainstormBrainstormAndrew,be careful.Andrew,p

3、ut up the picture on the wall.Dont paint the room blue.Dont paint the cat.Andrew,please fix the shelf for me.1.祈使句的概念祈使句的概念祈使句表示请求、命令等。祈使句肯定结祈使句表示请求、命令等。祈使句肯定结构中肯定是以构中肯定是以动词原形动词原形开始。它的主语是开始。它的主语是you（听话人），通常省略。（听话人），通常省略。Imperative sentencesImperative sentences2.祈使句的结构祈使句的结构1)祈使句的肯定结构祈使句的肯定结构Do型（以行为动

4、词原形开头），例如：型（以行为动词原形开头），例如：Be型（以型（以be开头），例如：开头），例如：Let型（以型（以let开头），例如：开头），例如：lets是是letus的简略式。的简略式。letusLetsStandup!Openthedoor!Bequiet!Becareful！Letmetry.Letslookatthemap.表示请求、劝告的祈使句还常常在句前表示请求、劝告的祈使句还常常在句前或句末加上或句末加上please,构成句式：构成句式：Please或或,please.以使语气更加缓和或客气。以使语气更加缓和或客气。例如：例如：Pleasestandup.Standup,p

5、lease.Pleasehavearest.Havearest,please.2)祈使句的否定结构，一律在肯定结构前祈使句的否定结构，一律在肯定结构前加加Donot(Dont)。例如：。例如：注意：注意：Lets型祈使句，其否定式也可用型祈使句，其否定式也可用Letsnot，例如：，例如：Letsnothavearest.Letsnotsithere!Dontgothere,please.Dontbelateforclass!Dontlethimin.请不要去那里！请不要去那里！不要上课迟到！不要上课迟到！不要让他进来！不要让他进来！1.祈使句的反义疑问句。祈使句的反义疑问句。Openthed

6、oor,?Donttalkinclass,?Letsplayagame,?Letusgohome,?2.正确区分祈使句。正确区分祈使句。Z，xxkLucy(do)herhomeworkbyherself.Lucy,(do)yourhomeworkbyyourself.willyouwillyoushallwewillyoudoesdo3.祈使句中的反身代词。祈使句中的反身代词。Make(you)athome,Kitty!Help(you)tosomefish,Daniel!Children,enjoy(you)intheWorldPark!4.正确区别祈使句和动名词。正确区别祈使句和动名词。t

7、heapplesandeatthem.(pick)theapplesisgreatfun.(pick)makesyoulooksmart.(read)thebooksandanswerthequestions.(read)yourselfyourselfyourselvesPickPickingReadingReadMillieisteachingherclassmateshowtomakecardstohelpthemrememberthingsbetter.LookatthepicturesandhelpMilliecompletetheinstruction.How to make ca

8、rdsHow to make cards_ out pieces of card with a pair of scissors.Cutcutdrawgivekeeplooktrywrite_ some words or a sentence on each card.Writecutdrawgivekeeplooktrywrite_ a picture about the words or sentence on the other side of the card.Drawcutdrawgivekeeplooktrywrite_ at the picture and _ to rememb

9、er what is on the other side.LooktrycutdrawgivekeeplooktrywritePlease _(not)up._ trying,and you will find you can remember things better.dontgiveKeepcutdrawgivekeeplooktrywriteWill Andrew listen to our instructions?Maybe we should be more polite!也许我们该给他提意见而不是下指令！也许我们该给他提意见而不是下指令！Maybeweshouldgivehim

10、someadviceinsteadofgivinginstructions.当我们给他人提建议时，可以用当我们给他人提建议时，可以用hadbetter和和should，表示，表示“最好最好”或或“应该应该”做某事，做某事，hadbetter的语气比的语气比should强强一些。一些。你的手表坏了你的手表坏了,你最好买个新的。你最好买个新的。你应该对你应该对DIY有点了解。有点了解。Youwatchisbroken.Youhadbetterbuyanewone.YoushouldknowalittleaboutDIY.hadbetter(常简略为常简略为dbetter)，是一固定，是一固定词组，

11、后面必须跟动词原形，没有人称和数词组，后面必须跟动词原形，没有人称和数的变化。构成：的变化。构成：hadbetterdosth.句型。句型。汤姆，你最好今天去那儿。汤姆，你最好今天去那儿。hadbetter的否定式是的否定式是hadbetternotdosth.你最好不要错过末班公共汽车。你最好不要错过末班公共汽车。Tom,youdbettergotheretoday.Youhadbetternotmissthelastbus.should后面也要跟动词原形，且没有人称后面也要跟动词原形，且没有人称和数的变化。和数的变化。你应该戒烟。你应该戒烟。Youshouldstopsmoking.sho

12、uld的否定式是的否定式是shouldnot/shouldnt。你不应该喝酒后开车。你不应该喝酒后开车。Youshouldntdriveafterdrinking.Some advice on DIYSome advice on DIY PartA:learnhowtogiveinstructions(Please)+dosth.(Please)+Dontdosth.PartB:learnhowtogiveadvice肯定：肯定：should/hadbetter+V原原否定：否定：shouldnot/hadbetternot+V原原肯定：肯定：否定：否定：SummarySummarySuzy

13、is on a trip to Taixing.She wants to visit your school.There are many different signs around or in your school telling us what we can do or what we cant do.Please talk with your partner first then write a short passage to Suzy about the things she can do or she cant do in your school.Some advice to

14、be a polite visitorSome advice to be a polite visitoron the grass and in the gardenin front of the school gateon the main road in the schoolin the teaching building in the libraryDont park your car!No parking!signs signsYou had better not park in front of the school gate.signssignsNo pets!Drop litte

15、r into the rubbish bin.You should not take pets into school.You should drop litter into the rubbish bin.Dont smoke!No smoking!signs signsSave water,please.Youd better not smoke here.You should save water.Be quiet,please.signssignsYoud better be quiet in the library.No eating,no drinking.You had bett

16、er not eat or drink.Dont play football!signs signsDont pick the flowers!You had better not play football.You had better not pick the flowers.Dear Suzy,Im glad to hear that you will come to our school.There are many rules in our school.First,when you get to the school gate,you _.Then on the main road

17、 of our school,you _.On your left are our teaching buildings.In them,you can see many signs.You _.Walk straight on,you will see our library.When you read books in the library,you _ or _.Near the library is a garden,you can play there,but you _ or _.Have a good time!Yours,*A letter to give advice一、一、

18、单项选择。单项选择。1.TheTVistooloud.Please_.A.turnitdownB.toturnitdownC.turndownitD.toturndownit2._lateagain,Bill!A.DonttobeB.DontbeC.NotbeD.Benot3._crosstheroaduntilthetrafficlightsturngreen.A.NotB.WontC.DoesntD.Dont4._methetruth,orIllbeangry.A.TellingB.TotellC.ToldD.Tell二、二、句型转换。句型转换。1.Willyoupleasereadita

19、gainmoreslowly?(改为祈使句改为祈使句)_againmoreslowly,please.2.Ifyoudontlistentome,Illgo.(改为同义句改为同义句)_me,orIllgo.3.Theteachersoftentellthestudentsnottobecareless.(改为祈使句改为祈使句)_careless,please.4.PleasesitnexttoNancy.(改为否定句改为否定句)_nexttoNancy.ReaditListentoDontbeDontsit三、翻译句子。三、翻译句子。1.我建议我爸爸戒烟。我建议我爸爸戒烟。(giveupdoing)2.剪刀是危险的。你最好不要玩弄他们。剪刀是危险的。你最好不要玩弄他们。(can,hadbetternot)3.你不应该看那么多电视。你不应该看那么多电视。(shouldnt)4.让我们去北京旅游吧，好吗？让我们去北京旅游吧，好吗？(let)I advised my father to give up smoking.Scissors can be dangerous.You had better not play with them.You shouldnt watch so much TV.Lets take a trip to Beijing,shall we?