Example: Someone is knocking on the door. I'm sure it's my brother - he promised to come today
Someone is knocking on the door. It must be my brother - he promised to come today
1. I'm sure he is here - I can see his car in front of the building.
He
be here. I can see his car in front of the building.
2. They're coming this week but I don't know which day.
They
be coming tomorrow.
3. I'm not sure I'm going to pass the exam. I don't feel very confident.
I
pass the exam. I don't feel very confident.
4. I've bought a lottery ticket. There's a chance I'll become a millionare!
I
become a millionare!
5. I'm sure she doesn't speak French very well - she's only lived in Paris for a few
weeks.
She
speak French very well. She's only lived in Paris for
a few weeks.
6. My key's not in my pocket or on my desk so I'm sure it's in the drawer.
My key's not in my pocket or on my desk so it
be in the
drawer.
7. Someone told me that Mark was in Mexico but I saw him yesterday so I'm sure
he's not abroad.
Mark
be abroad.
8. You got the job? That's great. I'm sure you're delighted.
You got the job? That's great. You
be delighted​