Question

Change the given sentences using must, can't, or may/might a) I'm sure he is sleeping. b) Certainly he was at home. c) Perhaps she hasn't got the invitation d) I'm sure they didn't take the bus. e) Probably she is absent.​

Answer 1

he may be sleeping

certainly he must be at home

perhaps she might not have gotten the invitation

i’m sure they can’t take the bus

she must be absent