8AUnit4Hands-onfunGrammarAYolanda2.Tomasterthepositiveandnegativeformsofimperativesentences.3.Toenhanceculturalawarenessofpolitecommunicationin

givinginstructions/advice.1.Tolearnimperativesentencesandgiveinstructionsusingimperativesentences.LearningobjectivesWarmingupGametimeDoasIsay!Standup.TurnaroundandbowtotheteachersPutupyourhand.Letussay“Ican”.Beready.ImperativeSentences祈使句Lead-inQ:HowmuchdoyourememberaboutAndrew’sexperiencesinDIY?RevisionPutinabrighterlight.Makeafloorlamp.Paintthewallsblue.MakeashelfforSuzy.Putupapictureonthewall.Whatwerehismistakes?__________Lead-inQ:WhatwillAndrew’smumsaytohismiatakes?Brain-stormingPutinabrighterlight.Paintthewallsblue.Putupapictureonthewall.Watchoutnexttime!Cheerup.Becareful.Let’sfindarightplace.Bepatient.Let’spaintthewallsblue.PresentationBeanobserverWatchoutnexttime!Cheerup.Becareful.Let’sfindarightplace.Bepatient.Let’spaintthewallsblue.Whatdotheyhaveincommon(共同之處)YouYouYouYouYouYouWatchoutnexttime!Cheerup.Let’sfindarightplace.Bepatient.Let’spaintthewallsblue.ImperativesBecareful.NosubjectUsethebaseformofaverbWhendoweusethesesentences?BeanobserverStandup.TurnaroundandbowtotheteachersPutupyourhand.Watchoutnexttime!order（命令）Beready.Bepatient.Becareful.request（要求）Letussay“Ican”.Let’sfindarightplace.Let’spaintthewallsblue.adviceImperatives祈使句1.祈使句用來表達(dá)命令、請求、建議、勸告、禁止等。2.它的主語通常為第二人稱(you)，一般情況下可省略。3.祈使句的動詞都以動詞原形開頭。Positiveimperatives肯定式

Standup.Turnaroundandbowtotheteachers.Putupyourhand.Watchoutnexttime!baseformofaverbobject賓語（1）Do型：動詞原型+賓語+...Beready.Bepatient.Becareful.beadjBeagoodlearner.anounphrasePredictive表語Positiveimperatives肯定式

（2）Be型：Be+表語+...Positiveimperatives肯定式

Let

us

say“Ican”.Let’s

findarightplace.Let’s

paintthewallsblue.letobjectbaseformofaverb（3）Let型：Let+賓語+動詞原型+...Q&AReadthesituations.Choosethecorrectimperative.Takeanumbrella.Don’teatthat.Becareful!It’sraining.Takeanumbrella.PracticeQ&ABecareful!Don’tbelate.Bequiet!Ourteacheristalking.Bequiet!Readthesituations.Choosethecorrectimperative.Q&AStudyhard.Don’topen

thedoor.Gotothedoctor.Youfeelill.Gotothedoctor.Readthesituations.Choosethecorrectimperative.Q&AWearacoat.Don’trun.Studyhard.Theflooriswet.Don’trun.Readthesituations.Choosethecorrectimperative.Q&ADon’tusethephone.Don’tgo.Don’tbecareless!Youhaveanexamtoday.Don’tbecareless!Readthesituations.Choosethecorrectimperative.Q&AGohome.Letthemnotplaywithfire.Don’trun.Letthemnotplaywithfire.Readthesituations.Choosethecorrectimperative.Theyareplayingwithfire.Don’tletthemplaywithfire.Negativeimperatives否定式

Don’tbecareless!Don’trun.（1）Don’t+do+賓語（2）Don’t+be+表語Negativeimperatives否定式

Letthemnotplaywithfire.Don’tletthemplaywithfire.（3）Let型否定形式有兩種

Don’t+let+賓語+動詞原型=Let+賓語+not+動詞原形Negativeimperatives否定式

Publicsigns公共標(biāo)識Don’t__________.Don’t__________.talksmokeNosmoking.Notalking.ingformoftheverb（4）No+動詞-ing形式...表示禁止No+名詞...e.g.NofoodQ&APracticeMillieandAndyaretryingtoputtogetherabookshelf.Readtheirconversationandpayattentiontothepartsinbold.Whatcanweuseimperativesentencesfor?建議請求命令A(yù)norder?Arequest?Advice?Whatisthefunction(作用)of“please”?Weoftenaddpleasetomakeaninstructionmorepolite.Q&APracticeMillieandAndyaretryingtoputtogetherabookshelf.Readtheirconversationandpayattentiontothepartsinbold.WhydoesAndyusetheseimperativesentences?Tomaketheconversationclearandconcise(簡潔).Q&ATagquestions(反義疑問句)

ofimperativesentencesPresentation1.Formostofthem,weusewillyou?2.Forlet’s+動詞原型，weuseshallwe?e.g.Don’tbeafraid,_______Followtheinstructions,_______Letustryagain,_______Let’sstart,_______willyou?willyou?willyou?shallwe?willyou?shallwe?willyou?willyou?willyou?Q&APracticeCutWriteDrawLooktrydon’tgiveKeep識字卡Q&AProductionMakeflashcardsingroupandintroducehowyoumaketheflashcardswithyourgroupmembers.Chooseonereportertointroduceyourworkwithimperativesentences.Groupworkcut...write...draw...look...andguess...Pronunciation(發(fā)音標(biāo)準(zhǔn))Bodylanguage(肢體語言)Fluence(流利)Showtime1.Let’s_________anoise,someoneissleeping.A.notmakeB.nomakingC.nottomakeD.don’tmake2.________getoffthebusbeforeitstops.A.Don’t B.Doesn’tC.Didn’t D.Not3.________buyyourticketfromaticketmachine.Becausethere’remanypeoplethere.A.Not B.NottoC.Don’t D.Don’tto4.Amy,________tosmilewhenyouaredown,andyou’llsoonbehappyagain.A.Trying B.TotryC.Try D.TriedPracticeA2.Thereisanewtypeofdeskatyourschool.Youcanchangetheheightofthedeskbypressingabutton.Writesomesentences,usingthegrammarabove,toteachyourclassmateshowtousethedesk.Sample:Pressthesidebuttontounlockthedesk.Usetheupordownbuttonstomakesuretheheightisallright,Makesurethedeskislevelbeforeyoustop.Don’tpressthebuttontoohard.Pressthelockbuttontosettheheight.Enjoyyournewdesk!should&hadbetterGrammarBAndrewdidn’twellinDIY.Howerer,hekepttrying.WhatwashethinkingaboutifyouwereAndrew？Makeaguess.FreetalkIshouldlearnmoreaboutDIY.Ishouldnotbesocareless.IhadbettertakesomeonlinecoursesaboutDIY.Ihadbetternotmakemistakes.IshouldlearnmoreaboutDIY.Ishouldnotbesocareless.IhadbettertakesomeonlinecoursesaboutDIY.Ihadbetternotmakemistakes.Weuse‘should’and‘hadbetter’whengivingadviceandtellingpeoplewhatisthebestorrightthingtodo.presentationpresentationWhatdothesesentencesmean?Whichonesoundsstronger?”TIP:Whengivingadvice,wecanuse“should”and“hadbetter”.Thetoneofhadbetterisstrongerthanshould.MumgivesSuzyadvicetotellSuzywhattodo.We’dbettercleanthebirdhousefirstNowyoushouldmixthepaintwell.You’dbetternotgettoomuchpaintonthebrush.Youshouldn’tgotoofast,Suzy.Ihadbetternotmakemistakes.IshouldlearnmoreaboutDIY.Ishouldnotbesocareless.IhadbettertakesomeonlinecoursesaboutDIY.肯定：hadbetter(’dbetter)+do

sth.否定：hadbetter(’dbetter)

not+do

sth.Thinkthestructureofshould,hadbetter肯定：should+dosth.否定：shouldnot(shouldn’t)+dosth.Page161.PresentationPracticefYoushouldbuysometolearnmoreaboutit.bYoushould/hadbetterjoinaDIYclubtolearnmoreaboutit.aYouhadbetternotbeginyourworkwithoutreadingthem.gYouhadbetternotplaywiththemwhenyoudoDIYjobs.dYoushouldbepatient.eYouhadbetterbecarefulwhenyouuseit.cYoushouldreadthemslowlyandcarefully.PracticeUseshould/hadbettertogiveadvice.3.Whenassembling(組裝)theplanemodel,you______________preparetherighttools.should/hadbetter4.You______