14/03/2024
Revise functions of model verbs: grade 10th
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Ability
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Can
could
was able to
couldn't
wasn't able to.
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Suggestions
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Could
shall I, we....
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Possibility
probability:
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Might
may
must
could
can't be
can he be?
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Advice strong obligations:
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Should
ought to
had better.
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Permission( ask/ refuse)
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Can
could
may
might
mustn't
can't.
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Obligation necessity
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Must
have to
have got to
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Request:
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Can
Could
Will
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Absence of necessity:
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Need not
Don't need
Don't have to
Didn't/ didn't have to.
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Offer:
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Would you like
Shall I/ we
Will?
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Prohibition:
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Must not
Can't