1/11中考高频词汇、短语辨析情态动词should、must、can、may的用法1
表示能力时用can、could:a–CanyourbrotherspeakJapanese
–Yes,hehaslearntitinTokyoforthreeyears
表示可能性:a
—IsthatyourbestfriendSimon
–No,itcan’tbehim
HeflewtoHongkongyesterday
—Myhouseisverynearabusystreet
—Itcan’tbeveryquiet
I’msureitcan’tbeJohn
,Isawhimoffattherailwaystationjusttwentyminutesago
表示委婉的语气时用maya
—MayIborrowyourMP4,Daniel
Hereyouare
—MayIsmokehere,please
—Iamafraidyoucan’t
Thisisanon-smokingarea
—Let’sgotothesupermarketbytaxi
—Weneedn’ttakeataxi
Itisnotfarfromhere
Youhavefinishedmostofthework,soyouneedn’tstartworkingsoearlytomorrow4
表示“禁止”,语气强烈a
Thereisa“Nosmoking”signhere
Youmustn’tsmoke
—MustIhandinmyhomeworknow
–No,youneedn’t,youcanhanditintomorrow
Whentrafficlightsarered,wemuststopandwait
Bepolite
Youmustn'ttalk