Ответ:
Перевод задания: Прочитайте предложения и скажите, как образовать отрицание в Present Perfect.
We form the negative with have/has + not + the third form of the verb. For example: I have been → I have not been; she has been → she has not been.
Мы образуем отрицание с помощью have/has + not + третья форма глагола. Например: I have been → I have not been; she has been → she has not been.
