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Modals of Possibility
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I told Charles - only Charles - my secret and now everyone knows! He (must / might) have told everyone.
must
Oops!
Okay!
She (must not / might not / can't) want another candy. She has already eaten 50!
can't
Oops!
Okay!
Shirley (must / might / can't) have a driver's license. I saw her driving downtown.
must
Oops!
Okay!
Mark goes skiing every weekend. He (must / might / can't) like skiing.
must
Oops!
Okay!
She (must not / might not / can't) be a vegetarian. I saw her eating a hamburger for lunch.
can't
Oops!
Okay!
Jenny (must / may / can't) have a problem. She's been crying all day.
must
Oops!
Okay!
David (must not / might not / can't) have broken his arm yesterday. I saw him playing tennis today!
can't
Oops!
Okay!
Luke (must / might / can't) be tired today because he couldn't sleep at all last night.
must
Oops!
Okay!
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