4. Поставить данные предложения в вопросительную и отрицательную формы: 1) Tea making in England is an art. 2) Afternoon tea takes place between three-thirty. 3) English people seldom put lemon in their tea.

1) Tea making in England is an art, isn't it? Tea making in England isn't an art. 2) Does afternoon tea take place between three-thirty? Afternoon tea doesn't take place between three-thirty. 3) Do english people seldom put lemon in their tea? English people don't seldom put lemon in their tea.