Если не сложно можно с разъяснением

I can translate this sentence
May I come in?
He could meet them at 2: 00.
He will be able to meet them in 2 hours.
Could you do that today?They will be able to discuss these questions on Monday morning.
May I use your camera?
I had to answer all these letters yesterday.
 We had to stay home because weather was bad
You should visit your friend. He had a stomach ache yesterday.
You don't have to go to the library, we have a lot of books at home.
Could you tell me about the natural remedies?
You shouldn't listen to music too loud.

Hi, Pol!
Usually we have five or six lessons. After school, we go home, have dinner and do homework. After 16.00-17.00 we always have spare time. We often walk in the park and ride there on bikes. Sometimes we go to Internet cafes. We all have computers at home, but very often the parents work for them in the evenings. In the summer we usually drove in football in the yard, and in the winter we play hockey. We love music and very often go to someone's home to listen to the new disks. Sometimes parents take us to the event or theater, but we love going to the movies.