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Modal verbs: obligation
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Must + do
:P
Oops!
Okay!
must + write
=P
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Okay!
doesn't have to + go
:P
Oops!
Okay!
has to + invite
:)
Oops!
Okay!
have to + organize
=p
Oops!
Okay!
doesn't have to + watch
:P
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Okay!
shouldn't + finish
:P
Oops!
Okay!
don't have to + prepare
:)
Oops!
Okay!
don't have to + read
:)
Oops!
Okay!
should + take care
:)
Oops!
Okay!
should + prepare
:P
Oops!
Okay!
should + work
:)
Oops!
Okay!
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