Поставьте предложения в скобках в Present Simple, Present Progressive и Present Perfect Tense. He is a very hard worker.

1) He is a very hard worker. He often works until midnight. It\'s 11 p. m. now and he is still working. It\'s 3 p. m. and he hasn\'t eaten anything today. 2) Is Mary ready to come out? — No, she is still dressing. He often reads detective stories; he is reading a very good one now. 3) She hasn\'t had a holiday since 1986. 4) What are they talking about? — They are talking about literature. They always talk about literature when they see each other.