Измените время глагола на present perfect и present perfect continu-ous (одно предложение в двух вариантах). переведите предложения на рус-ский 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. he is learning a poem. 2. they are telling us an interesting story.