帮助您更好，更快的理解课文，提高教学质量。

GrammarTeachingAims:AGivinginstructionsBUsing‘should’and‘must’brushtankDon’tswimhere.Don’tparkyourbikehere.Youcan’tswimhere.Youcan’tparkyourbikehere.Westartasentencewiththebaseformofaverbwhenwewanttotellpeoplewhattodo.Weadd‘don’t’infrontoftheverbwhenwewanttotellpeoplenottodosomething.ADon’tsmokehere.Don’tfishhere.Parkyourbikehere.Pleasegoslowly.Bequiet,please.Don’tmakeanynoise.DoGettoschoolontime.Listencarefullyinclass.Keepyourclassroomclean.Finishyourhomeworkafterschool.Befriendlytoothers.Don’tDon’tbelateforschool.Don’ttalkinclass.Don’tlookoutofthewindowinclass.Don’tsmoke.Don’tbringpetsintoclassroom.•Don’tfrightenthecat.•Pleasecleanthefishtanktoday.•Takethedogforawalk.•Pleasegiveitsomewater.•Bequiet.Don’tbark.•Brushthedog’sfur.•1.Brushherfureveryday.•2.Don’tgiveherfishbones.•3.Giveherenoughwater.•4.Don’tpullhertail.•5.Don’tgiveherashower.•6.Keepherwarm.Learnhowtolookafterpets.AmyasksKittytolookafterhercat.SheisgivingKittysomeinstructions.FindoutwhatAmywantsKittytodo.Rearrangethewordstomakesentences.•1.Giveitcleanwater.•2.Changethewateronceaweek.•3.Don’tgiveittoomuchfood.•4.Don’tholditinyourhand.•5.Don’tputitinthesun.should1.Pleaseplaywithyourpetforsometimeeveryday.2.Pleasecleanthefishtankthreetimesaweek.Youshouldplaywithyourpetforsometimeeveryday.Youshouldcleanthefishtankthreetimesaweek.Weuse‘should’and‘shouldnot’togiveadviceandtotellpeoplewhatisthebestorrightthingtodo.Bshould3.Don’tfeedyourdogatthetable.4.Don’tleaveyourpetathomealonefortoolong.Youshouldnot/shouldn’tfeedyourdogatthetable.Youshouldnot/shouldn’tleaveyourpetathomealonefortoolong.must1.Youmustfeedyourpet.2.Youmustlookafteryourpet.3.Youmustnot/mustn’tfeedyourdogtoomuchfood.4.Youmustnot/mustn’tbringyourpettoschool.Weuse‘must’totellpeoplethatitisnecessaryorveryimportanttodosomething.Weuse‘mustnot’totellpeoplethatitisnecessaryorveryimportantnottodosomething.BHowtolookafterapetDogslikelotsofexercise.You_____walkthemintheparkonceadayifyouwantthemtobehealthy.Ifyoudon’thaveenoughtime,you________getone.mustnotshouldIfyouhavearabbit,you_______cleanitshutcheveryday.shouldFisharegoodpetsbutyou_______givethemcleanwater.You____________givethemtoomuchfood.mustmustnotCatsarefriendlyandyoudon’tneedtowalkthem.Ithinkyou_________getacat.shoulda.Youmustcleanthecageonceaweek.b.Youshouldtakeherouttotheparkatleastonceaday.c.Youshouldgetagoodcatbrush.d.Ifyourflatisverysmall,youshouldnotgetadog.e.Youshouldgetabirdoragoldfish.f.Youmusttakeyourdogoutmoreoften.g.Youshouldgetabookabouttherightwaytolookafterbirds.h.Youshouldbrushyourcateveryday.24133421AnswersforB3Giveacorrectinstructionaccordingtotheinformation.•1.Tom’sfavoritepetisalittlerabbit.Helikesplayingwithitafterschool.Butsometimeshepullstherabbit’searsandtakesithereandthere.Youknowit’sbadfortherabbit.Whatshouldyousaytohim?•2.SimonwillgotoShanghai.Heisworriedabouthisgoldfish.Whatishegoingtosaytohisfriend?•3.Danielwalksthedogatsixa.m.everyday.Onemorninghetakesawalkwiththedoginthestreet.Apolicemansawthisandsaidtohim:•4.Oneafternoonalittlebabyissleepinginbed.Somechildrenareplayinggamesnearby.Theyaresinginghappily.Whatshouldthebaby’smothersay:•5.Schoolisover.Buttheclassroomisdirty.Whatwillyourteachersaytothestudents?HomeworkWriteainstructionabouthowtolookafterapet.Theendofthispart!