Liu Tao: Hello, Mike. It's cold. I like skating. Let's go skating.
Mike: Sorry, I can't skate.
Liu Tao: Can you swim, Mike?
Mike: Yes, I can. I can swim very well.
Liu Tao: Do you swim in winter?
Mike: No. I often swim in summer.
Liu Tao: I go swimming in summer too. It's great fun.
Mike: I often play football in winter.
Liu Tao: Me too. Let's go and play football this Saturday afternoon.
Mike: OK.