Диалог на тему winter and winter sports

- Hello, Alina! How are you? Why are you looking so tired?
- Hello, I am really very tired today. I was in the forest where I skated a lot.
- Really? Are you fond of winter sport?
- Yes, I am. I do sport every two days. And what kind of winter sports are you fond of? - I am fond of skiing most of all. To my opinion it's a very interesting sport.
- How interesting! How many times a week do you go to your trainings?
- Four times a week.
 - And what other kinds of sports are you fond of?
- Besides it I like basketball, but sad to say I play it very badly.
- I also play basketball badly. I'm afraid "of any ball".
- Well, Alina. Let's say good-bye each other,  I have to hurry home.
 - Ok, see you!

1.На (чем?) на коньках - подлежащее. 2. Н.ф:клетки. Постоянные признаки: качественное, нарицательное, неодушевленное. Непостоянные: мн. ч, П. падеж. 3. (Как?) на коньках - обстоятельство.