можете объяснить что нужно делать с номером

2)some people are always late
3)most people doesnt like it
4)a lot of people watch TV every day
5)three people were injured in the accident
6)how many people live in that house?
7)does the police knows the cause of the explosion?
8)the police are looking for the stolen car
9)but i cant find them
10)im going to buy a new jeans today