Поставить предложения в отрицательную и вопросительную форму и дать краткие ответы на полученные общие вопросы 1. the students are in that room. 2. my friend is a student. 3. these books are good

1В:Are the students in rhat room?
От
Отриц.:The students aren't in that room
2.В.:Is my/your friend a student?
От.:Yes,he is/No,he isn't
Отриц.:My friend isn't a student
3.В.:Are these books good?
От.:No,they aren't/Yes,they are
Отриц.:These books aren't good
От:Yes, they are/No they aren't