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Modals of Deduction 1
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She always gets such good grades at school. She _____ work very hard.
can't
may
must
might
Oops!
Okay!
He's working full-time and studying for his Ph.D. That _____ be easy.
couldn't
could
may
can't
Oops!
Okay!
She never showed up. She _____ have forgotten about our appointment.
must
may
can't
might
Oops!
Okay!
You _____ be right − but I'm going to check to make sure.
could
might
can't
couldn't
Oops!
Okay!
We're not sure if this painting is an original. It _____ be worth thousands of dollars.
might
can't
must
could
Oops!
Okay!
I'm so thankful for your help with this project. I _____ have done it without you!
could
must
can't
couldn't
Oops!
Okay!
We _____ have known about this; nobody told us anything about it.
must
could
can't
couldn't
Oops!
Okay!
Look at that guy's enormous muscles. He _____ work out a lot.
must
couldn't
can't
might
Oops!
Okay!
He _____ have finished a 500-page book in a single day!
couldn't
can't
must
might
Oops!
Okay!
He worked hard on his report, then accidentally deleted the file. He _____ be upset.
must
might
could
can't
Oops!
Okay!
Don't put it up there. It _____ fall off and hit someone.
might
must
could
can't
Oops!
Okay!
She goes camping every weekend. She _____ really love the outdoors.
couldn't
must
can't
might
Oops!
Okay!
He has to work on Christmas Day? He _____ feel very happy about that.
may
can't
might
couldn't
Oops!
Okay!
We'll try to get there early but we _____ arrive late if there's a lot of traffic.
can't
must
could
may
Oops!
Okay!
It _____ have rained a lot last night - there are puddles everywhere.
might
may
must
could
Oops!
Okay!
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