MODULE12MannersandcustomsPart2:TeachingResources第二部分教学资源Section1:BackgroundReadings1
Mustnot,Mustn't(prohibition)Weusemustnottosaythatsomethingisnotpermittedorallowed,forexample:●Passengersmustnottalktothedriver
StructureofMustnotMustisanauxiliaryverb
Itisfollowedbyamainverb
Thestructureformustnotis:subject+mustnot+mainverbThemainverbisthebaseverb(infinitivewithout"to")
Mustnotisoftencontractedtomustn't
Lookattheseexamples:subjectauxiliarymust+notmainverbImustn'tforgetmykeys
Youmustn'tdisturbhim
Studentsmustnotbelate
NB:likeallauxiliaryverbs,mustCANNOTbefollowedby"to"
So,wesay:●Youmustn'tarrivelate
(notYoumustn'ttoarrivelate
)UseofMustnotMustnotexpressesprohibition-somethingthatisnotpermitted,notallowed
Theprohibitioncanbesubjective(thespeaker'sopinion)orobjective(areallaworrule)
Lookatthe