I can translate this sentenceMay 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 badYou 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.