1、8A Unit4 Do it yourselfGrammar When Andrew painted the living room,what did his mum say?She said,“Stop it!”gave instructions.Play a game.1.Stand up.2.Sit down.7.Put up your hands.3.Come here.please5.Go straight on and come back your seat.8.Touch your nose.4.Please open the door.9.Push up your nose.6
2、.Give me five.Instructions in Daily life Turn leftTurn rightWalk straightCan you guess what these signs mean?Dont smoke!No smoking!No parking!Dont park your car Can you guess what these signs mean?Be quiet!Be careful!Read and observe(观察观察)Turn left!Turn right!Walk straight!Dont smoke!No smoking!Dont
3、 park you car!No parking!Dont make any noise!Be quiet,please.Dont swim here!No swimming!When do we use these sentences?We use these sentences to give orders or instructions .They are all imperative sentences.（祈使句）（祈使句）v祈使句表示祈使句表示请求、命令、建议请求、命令、建议等等。等等。v谓语动词一律用谓语动词一律用原形，原形，主语主语you常省略常省略。v句末用句末用感叹号感叹号或
4、者或者句号。句号。v一般只有一般只有肯定和否定肯定和否定两种形式两种形式。Draw the conclusion(得出结论得出结论)Turn left!Turn right!Walk straight!Disucss in groupsBe quite！Be careful!Dont smoke!Dont park you car!Dont be afraid!Dont be shy!Lets open the books.Lets go to school.Let her not cry.Let him not shout.No photos!No parking!How to make a
5、n imprerative sentence?肯定的肯定的祈使句祈使句1.do+其他其他 2.Be+adj.3.Let+sb.+动词原形动词原形+其他其他 否定的否定的祈使句祈使句1.Dont+动词原形动词原形+其他其他2.Let sb.+not+动词原形动词原形+其他其他3.在公共场合的提示语中，常用的结构在公共场合的提示语中，常用的结构“No名词名词/v-ing”，表示禁止做某事，表示禁止做某事祈使句祈使句的结构如下：的结构如下：开门开门open the door 坐下坐下sit down不要站起来。不要站起来。Dont stand up.别害羞。别害羞。Dont be shy.别让他们玩
6、火。别让他们玩火。Dont let them play with fire.咱们不要在这大声吵闹。咱们不要在这大声吵闹。Lets not make so much noise here.不要让玛丽来这里。不要让玛丽来这里。Let Mary not come here.禁止吸烟禁止吸烟No smoking 祈使句的反意疑问句祈使句的反意疑问句Lets ,shall we?Let sb.,will you?肯定肯定/否定祈使句，否定祈使句，will you?Lets go,Let the boy go first,Dont smoke here,shall we?will you?will you
7、?Yes.I will 与与please连用连用,使语气委婉使语气委婉为使语气委婉，通常将祈使句与为使语气委婉，通常将祈使句与please连用。连用。Please可用于祈使句可用于祈使句的句首，通常不用逗号。如果用于句的句首，通常不用逗号。如果用于句末，前面通常用逗号。末，前面通常用逗号。如：如：构成句式：Please 或 please Please dont get angry请不要生气请不要生气Please stand up.或 Stand up,please.请站起来。Please have a rest.或 Have a rest,please.请休息一下请休息一下。口诀口诀祈使句祈使
8、句,无主语无主语,只用动词就可以只用动词就可以.表示请求或命令表示请求或命令,加上加上please表客气。表客气。如果变成否定句如果变成否定句,Dont开头是规律。开头是规律。No talking!是警示是警示,祈使句用法要牢记。祈使句用法要牢记。1._ out pieces of card with a pair of scissors.2._ some words or a sentence on each card.3._ a picture about the words or sentence on the other side of the card.4._ at the pict
9、ure and _ to say what is on the other side.5.Please _(not give)up._ trying and you will find you can remember things better.Cut Write Draw Look trydont giveKeep?Maybe we should be more polite!Maybe we should give him some advice instead of giving instructions.（给出建议而不是命令）（给出建议而不是命令）We can use should
10、or had better Ways to solve 1.Ask others for help.2.Work harder.3.Join a DIY c_.You had better join a DIY Club to learn more!asyDIY is not e_difficultCan you make such an elephant?Maybe you cant.Before making it,what should we read first?I_ are important.nstructionsAdviceEvery time without reading i
11、nstructions,you s your DIY job.had better not houldnt beginScissors can be dangerous.When you do DIY jobs,you shouldnt _(把玩它们把玩它们).play with themSometimes itll take time to do a DIY job,so you should _enough in order to succeed in the end.be patienthad better not 1.There are many useful books about
12、DIY.You should/had better buy some to learn more about it.2.DIY is not easy.You should/had better join a DIY club to learn more about it.3.Instructions are important.You should/had better not begin your work without reading them.4.Scissors can be dangerous.You should/had better not play with them wh
13、en you do DIY jobs.5.Sometimes itll take time to do a DIY job.You should/had better be patient.Conclusion Both of them follows a _ behind.doYou should know a little about DIY.You had better jion a DIYclub.Tones(语气语气):had better should 否定否定:should not had better not Something is wrong with the house!
14、Help!Find out what we should change.Problem 1:The colour of the floor doesnt match that of the bed and wall.pleasePlease+do sth.Please paint the floor green.Problem 2:The light is not in the right place.Solution:You h_put the light above your bed.ad better/shouldhad better/should+do sthM_ the wardro
15、be(衣柜)in the corner.Express in different waysYou s_ move the wardrobe in the corner.D_ move the wardrobe in any wrong places.ovehouldont Part A:learn how to give instructions (Please)+do sth.(Please)+Dont do sth.Part B:learn how to give advice 肯定：肯定：should/had better+V原原 否定：否定：should not/had better not+V原原肯定：肯定：否定：否定：Summary1.Review the Grammar and make some sentences with should(not)and had better(not).2.To preview Integrated skills on Pages 49 and 50Homework
