4. Make negative sentences. Example: She is happy. → She isn’t happy. 1) I am tired. 2) He is a doctor. 3) They are at home. 4) We are friends. 5) It is cold. 6) You are late. Use: am not / isn’t / aren’t.

Перевод задания: Сделай предложения отрицательными. Используй am not / isn’t / aren’t.

Для отрицания после формы to be добавляется not: am not, isn’t (= is not), aren’t (= are not).

1. I am tired. → I am not tired. (Я не устал.)
2. He is a doctor. → He isn’t a doctor. (Он не врач.)
3. They are at home. → They aren’t at home. (Они не дома.)
4. We are friends. → We aren’t friends. (Мы не друзья.)
5. It is cold. → It isn’t cold. (Холодно.)
6. You are late. → You aren’t late. (Ты не опоздал.)