Grammar课标人教实验版高一Module3Unit1A
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Thegirlcandanceverywell
Whenhewasyoung,hecouldsingwell
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Canthenewsbetrue
Youcan’tbeserious
Howcanyoubesorude
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CanIsithere
Youcan’tsithere
Icanborrowsomebooksfromthelibrary
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Themonkeyscanbenaughty
Accidentscanhappenonsuchrainydays
can和could:表示能力表示主观的推测、不相信、怀疑、惊异(多用于疑否句)表请求或允许(could比can委婉)表理论上(客观)的可能性:E
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Theycan't/couldn’thavegoneoutbecausethelightisstillon
can’t/couldn’thavedone过否猜mustdo/be现肯猜can'tdo/be现否猜musthavedone过肯猜*could的特殊用法是:•表轻微的责备
–Youcouldbemorecareful
must表示推测,语气非常肯定,近乎确定的意味,一般用在肯定句
如:Itmustbeeleveno’clocknow
Hemustgocrazy
IfMarydidn’tleavehereuntilfiveo’clock,shecan’tbehomeyet
如果玛丽五点才离开这儿,他此时一定还未到家
may和might:A