1The phone is ringing. It can'tcanmust be Charlotte; she said she would call this morning. 2She can'tmustmight not be in love with him. She told me she hates him. 3He mightcan'tmust be at the gym right now. Sometimes he goes there at this time. 4This is not possible. You mustmight notcan't be serious! 5If he drives a jaguar, he mustmightcan't be quite rich. 6You should pick up the phone. It cancan'tmight be an important call. 7He canmightmust know the answer, he's the best in the class. 8You mightcancan't be right, but it's better if we check. 9He might notmustcan't be in class. I saw him at the library a minute ago. 10A: Who's at the door?  B: I don't know; it maymustcan't be John.​