Поставьте предложения в вопросительную и отрицательную формы 1. they study english. 2. they left for moscow yesterday. 3. we shall go to minsk in summer.

1. They do not study English.
Do they study English?
2. They did not leave for Moscow yesterday.
Did they leave for Moscow yesterday?
3. We shall not go to Minsk in summer.
Shall we go to Minsk in summer?