10must-have-to

2.Haveto表示“不得不”、“必须”。(不愿意）3.must与haveto的区别♀must多表示主观意志，是从说话人的角度出发谈必须做某事。而haveto强调客观需要。eg：A.Imustdomyhomework.(愿意做作业）B.Ihavetodomyhomework.（不愿意做作业）Ihavetodomyhomework.Imustdomyhomework.I___speakEnglishinclass.Ilikesinging.I______sing.Idon’tlikesinging.I_____sing.musthavetoModelverbsmusthavetomustnot/mustn’tdon’thavetoMustsb…?Do/Doessb.haveto…?（必须、应当）（必须、不得不）1.Don’tbelateagain.You____behereontime.A.mayB.canC.mustD.needn’t2.You___doitevenifyoudon’twantto.A.can’tB.mustn’tC.needn’tD.haveto3.——MustItakeabus?——No,you___.Youcanwalkfromhere.A.mustn’tB.don’tC.don‘thavetoD.hadbetternotto4.——Itisrathercoldhere.Shallwelightafire?——No,we___,becausethingshereareeasytocatchfire.A.won’tB.can’tC.mustn’tD.needn’t一、请用must,或haveto的适当形式填空。1.I’ll_________lookaftermysisterathomethisSunday.2.You_________gooutsidetoplayasitissnowingheavily.3.We________bepolitetoourteachersatschool.Practicehavetomustn’tmust4.—Doesshe_________stayathome?—No,shedoesn’t.5.—MustIgettothestationbefore5p.m.?—Yes,you_______./No,you_______________________.havetomustdon’thaveto/needn’t6.You_____doitnow.I___________gonow.havetomust