Вставить “was”, “were”, “is”, “are”: It ………10 o’clock in the evening. The children … …..in bed now. They ……….in the living

Глагол to be в настоящем времени имеет 3 формы: I - am; he, she, it - is; we, you, they - are.

В прошедшем времени to be имеет форму was для единственного числа, were для множественного.

It is 10 o`clock in the evening. The children are in bed now. They were in the living room 3 hours ago. Their father was at work yesterday but now he is at home.