Must, might and can't for deduction
Objective: Express certainty, possibility and impossibility.
Explanation
Use must for a strong conclusion, might for possibility and can't for an impossible conclusion.
Examples
- She must be at work.
- They might know the answer.
Practice
Choose the correct answer.
The lights are on. Someone ___ be home.
Practice
Choose the correct answer.
I am not certain, but he ___ know her.
Practice
Choose the correct answer.
That ___ be Paul. He is abroad.