1、Grammar Unit 4 Do it yourselfTurn left!Traffic signsTurn right!Walk on the zebra crossing!Traffic signsDont park your car!No parking！Traffic signsWalk!Dont walk!Wear school uniforms!Dont drop litter carelessly!Listen to the teacher carefully!Write down notes!Dont talk!Dont be late for class!Play wit
2、h each other！Dont fight！Read and observeTurn left!Turn right!Walk on the zebra crossing!Dont walk!Dont park your car!Dont be late for class！vThey are all imperative sentences.（祈使句）（祈使句）The structures of imperatives Do sth Dont do sth.肯定：肯定：否定否定：Draw the conclusionPairworkOnestudentgivesaninstruction
3、theotheractsitout.CompetitionFourstudentsinonegroup.Theteacherwillgivesomeinstructions,thenthegroupwillactout.Iftheresaloser,he/shewillgivethenextinstruction.Sitdown.Dontsitdown.Standup.Dontstandup.Openyourmouth.Dontopenyourmouth.Putupyourhands.Dontputupyourhands.How to give advice?肯定肯定 should do s
4、th had better do sth 否定否定 should not do sht had better not do sth Tones:had better should Park your bike here.You should park your bike here.You had better park your bike here.Dont smokeNo somking！You should not smoke!You had better not smoke！Be quiet,please.You should be quiet.You had better be qui
5、et.Lets do exercises.CutWriteDrawLookattrydontgiveKeepabeginyourworkwithoutreadingthembjoinaDIYclubtolearnmoreaboutitcbepatientdbuysometolearnmoreaboutiteplaywiththemwhenyoudoDIYjobs1.TherearemanyusefulbooksaboutDIY.Youshould/hadbetterbuysometolearnmoreaboutit.2.DIYisnoteasy.Youshould/hadbetterjoina
6、DIYclubtolearnmoreaboutit.Youshouldnt/hadbetternotbeginyourworkwithoutreadingthem.3.Instructionsareimportant.Youshould/hadbetterbecarefulwhenyouusethem.4.Scissorscanbedangerous.Youshould/hadbetterbepatient.5.SometimesitlltaketimetodoaDIYjob.1.Willyoupleasereaditagainmoreslowly?(改为祈使句)_againmoreslowl
7、y,please.2.Ifyoudontlistentome,Illgo.(改为同义句)_me,orIllgo.3.Theteachersoftentellthestudentsnottobecareless.(改为祈使句)_careless,please.4.PleasesitnexttoNancy.(改为否定句)_nexttoNancy.ReaditListentoDontbeDontsit1.你应该在南京换火车。_changetrainsatNanjing.2.你最好在下雨前回家。_beforetherainstarts.3.现在你最好别打棒球了。_baseballnow.4.不要把金鱼放在阳光下。_thegoldfishinthesun.YoushouldYoudbettergohomeYouhadbetternotplayDontputon the roadin the libraryin the zooon the bus1.ReviewtheGrammarandmakesomesentenceswithshould(not)andhad better(not).2.FinishtheExercises.Homework
