certainty with must -might- can't

​must be/ might be/can't be

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Open Ended

can you fix the problem of the data show?

​she is a wonderful swimmer

It can't be , she is scared of the sea all the time​

Poll

the traffic light is red , we must stop

• it must be true

• it might be true

• it can't be true

​He is in the hospital.

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​it might be true , i didn't see him today

​It must be true, he broke his leg yesterday