Most of all I love swimming. This is a very useful sport. Ever since I started swimming, I stopped being sick with the flu and a sore throat. I no the cold is not terrible. Have better posture, improved vision. Also, very nice to swim. Water immediately refreshes, become easy, body glides over the surface, feel strong and agile. Even in a bad mood disappears somewhere. There are several styles of swimming: crawl, breaststroke, butterfly, crawl on back. сделайте из этого текста образование страдательного залога в настоящем завершенном времени