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译林2003课标版《Grammar and usage(2): Modal verbs: comparisons》PPT课件优质课下载
2) Mv无人称, 数的变化
×The girl cans dance very well.
3)谓语部分=Mv+do?
×The girl can very well.
Mv 情态动词的个数(15)
(4组) can / could,
may / might,
shall / should,
will / would
(4对) have to, had better,
ought to, used to
(3个) must, need, dare
能力
? The girl can dance very well.
No one could finish it.
可能性
Can the news be true?
Who can it be?
It can’t be my mother.
许可
Can I sit here?
1.can /could:
2.may 和might :
许可(正式):
May I come in ?