It's impossible that Tom cheated during the exam
Tom can't have cheated during the exam
I think Suzie is tired
Suzie may be tired
I'm sure Suzie was tired
Suzie must have been tired
It's possible that Jim hasn't passed his exams yet
Jim may not have passed his exams yet
The answers are possibly correct
The answers may be correct
The answers are posiibly correct
The answers may be correct
The photo definitely wasn't real
This photo can't have been real
I'm certain Tim didn't do the shopping
Tim can't have done the shopping
It's probable that our neighbours are having a party now
Our neighbours may be having a party now
It's clear that you ate too much yesterday. That's why you feel unwell today
You may have eaten too much yesterday. That's why you feel unwell today
