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THINK 1 modals revision
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don't have to
+
Oops!
Okay!
must \ have to
+
Oops!
Okay!
shouldn't
+
Oops!
Okay!
don't have to
+
Oops!
Okay!
mustn't
+
Oops!
Okay!
must
+
Oops!
Okay!
should
+
Oops!
Okay!
doesn't have to
+
Oops!
Okay!
mustn't
+
Oops!
Okay!
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