Поставьте представленные предложения в вопросительную и отрицательный формы:
• They had been in the USA till the end of the year.
• They have proved that there is no life on the Moon.
• I will have done my home task by 7 o’clock.
• I spent all holidays in the village last summer.
• The train arrives at 7 sharp.
• She will come to the department store at 4 o’clock.
• My wife is reading the book now.
• She was listening to the lecture very attentively.
• He will be watching the new film this time tomorrow.