1. My son swims very well. My son is swimming in the sea now. 2. Every year my friend spends his holiday on the Black Sea. My friend is spending his holiday in the Caucasus now. 3. How often do you ski in winter? I ski every Sunday. Where is Nick? He is skiing in the park. 4. When I am on the beach I do not sit usually under a sunshade. I am not seeing our children. Where are they? They are sitting under a sunshade over there. 5. Whom is you looking at now? I am looking at Ann. She is swimming in the river. She swims every morning here.