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