he is ill
He has been sick for three days.
Думаешь, он только хотел, чтобы мы поверили, будто он болен?
Do you think he just wanted us to believe that he was sick?
Сначала я думал, что он болен.
At first I thought he was sick.
He said that he was sick.
He seemed to be ill.
He told me that he was sick.
Том дома, потому что он болен.
Tom is at home because he is sick.