Задание 2.
- She didn't skate last Sunday.
- She doesn't often skate. She is busy.
- She isn't skating.
- They don't skate. They cannot skate.
- She won't skate tomorrow.
Задание 3.
- Who can dance? - Jane can.
- Who could dance? - Jane could.
- Who is tired? - Jane is.
- Who was tired? - Jane was.
- Who has got an idea? - Jane has.
Ответ: смотри решение выше.