Измените время глагола на present perfect и present perfect continuous (одно предложение в двух вариантах). переведите предложения на язык. пример: a) he is helping us. он нам. b) he has already helped us. он уже нам. c) he has been helping us for two hours. он нам уже 2 часа. 1. you are putting dishes on the table. 2. they are having tea.