My classmate can play basketball very well.
He must be practice every day
He must practice every day.
My uncle is very strong. He can lift 300 kilograms!
He must exercise a lot.
He must be exercise a lot
John and Steven are running to their next class
They might late.
They might be late.
There’s someone studying at the library
It can’t David. I think he’s at home.
It can’t be David. I think he’s at home.
Can you see that bright light in the sky?
It could be a spaceship.
It could a spaceship.
My cousin just went shopping and bought lots of clothes.
She must have lots of money.
She must have be lots of money.
Susan is telling everyone the password.
It must not be a secret.
It must not a secret.
What’s the capital city of the United States?
I don’t know but it can’t be New York.
I don’t know but it can’t New York.
My classmate just raised her hand
She must know the answer
She must be know the answer.
I just saw Mathew and he looks really nervous.
He might going to his driving test.
He might be going to his driving test.
Hey! Look out the window, everyone. It’s snowing!
It can’t be snowing! It’s August!
It can’t snowing! It’s August.
My friend never passes his exams at school.
He must not study very hard.
He must not be study very hard.
My brother decided not to buy the TV.
It must very expensive.
It must be very expensive.
Oh, no! My car won’t start. What’s wrong with it?
It might out of gas.
It might be out of gas.
I looked everywhere but I can’t find Mrs. Smith.
She must at home.
She must be at home.
I’m not sure but I think our exam is on Thursday.
It can’t be on Thursday.
It can’t on Thursday
