用must和mustnt造句各造五个句子!

1.Youmustworkhard.2.Youmuststayathome3.Youmustfinishyourhomeworkbyyourself4.Youmustleavenow.5.Youmus

youmustbecarefully.你应该认真一些.wecan'tbeallowedtotouchit.我们不被允许碰它.

Someonehascleanedit用现在完成时,强调对现在的影响（lookstidy)再问：看问题：：：：：：must再答：哦Someonemusthavecleanedit.must+have+

Hemustbekilled.他一定被杀了是被动语态Hemustbeplayingbaskeyballatplayground.他现在一定在操场打球表猜测

Idon'tknowwhatIcandoifhemustleaveme.我不知道如果他一定要离开我,我该怎么办.

Youmustworkhardatschool.Youmustlookafteryourlittlebrotheratschool.再问：呵呵谢谢亲，好独特，在学校照顾弟弟？！再答：Becauseyo

SantaClausmustgivepresentstoallthechildreneveryChristmas.

Studentsmusthelptheirparentsdosomehouseworkanddotheirhomeworkontime学生应该帮助父母亲做些家务活并且应该要按时完成作业Studnesm

LearningEnglishisamust.学英语是必须的

Thispencouldbemine.Becauseitislong.这支钢笔可能是我的.因为它很长.Thispencan'tbemine.Becauseitistooshort.这支钢笔不可能是我的

mustn't对于老外说是绝对不可以的意思.Needn't的意思是不需要.用must提问的意思是“我必须这样做吗?”身为一个正常的人类,你该怎么回答呢“是“不,你不需要”还是“不!你绝对不可以!”呢?

youmustfinishyourhomeworkbeforetonight.wemusthurrysincewearerunninglate.Tellthemthattheymustgetthisd

must1.Youmustgetupearly.2.Youmustlistentotheteachercarefully.3.Youmustworkhard.4.Youmustdoyourhomewo

Youmustfinishyourhomeworkbeforeyouplayfootball.ThebackpackmustbelongtoMary,becausehernameisonit.Shem

Allpassengersmustwearseatbelts.ChinesemusthaveafamilydinneronNewYear'sEve(ontheeveofSpringFestival).

Wemuststopwhenthelightisred.Wemuststudyhard.Thatbagmustbelongtoher.Hemustknowtheanswer.Youmustn'tsmo

must表示主观,haveto表示客观.Wemustbehomebysix.我们必须在六点以前回家.Mysisterisill,mymotherhastolookafterher.我妹妹病了,我妈妈不

能,不能必须/一定,不可以须要/不得不,不必

一定不能做某事~是在虚拟语气中的否定形式~再问：请问是表示“一定没有做过某事”，还是“猜测可能没有做过某事”？再答：一定没有做过某事~非常肯定的~

1.Studentmustnotscribbleordamagetheschoolproperty.学生不得涂污或损坏学校一切公物.2.Studentmustnotconfusednoiseinthe