Преобразуйте предложения в вопросительную, отрицательную и утвердительную форму CONTINIONS
they were discussing this question yesterday at 5 o'clock.
he was listening to the radio at 7 o'clock yesterday.
she is walking to the students ciub.
our monitor will be speaking to our dean tomorrow at this time.
the students hockey team is playing hockey.
we are making a physical experiment now.