14.​ На этой неделе я звонил ему уж

14.​ На этой неделе я звонил ему уже несколько раз. Мы часто болтаем по телефону, обсуждаем наши планы на ближайшее будущее и делимся впечатлениями о последних событиях.
15.​ В этом месяце наша фирма закупила новое оборудование. Наши поставщики еще на его не доставили, хотя мы ждем уже почти три недели.

Results (English) 1:

14. This week, I telephoned him several times already. We often talk on the phone, discussing our plans for the near future and share impressions about the latest developments.15. This month our company purchased new equipment. Our suppliers are still at its not delivered, while we wait for nearly three weeks.

Results (English) 2:

14. This week, I called him several times. We often chat on the phone, discussing our plans for the near future and share experiences on the latest developments.
15. This month, our company has purchased new equipment. Our suppliers has not delivered on his, even though we've been waiting for almost three weeks.

Results (English) 3:

14.​ this week, i called him several times. we often talk on the phone, talking about our plans for the near future and share experience on the latest developments.
15.​ this month, our company purchased new equipment. our suppliers still not delivered, while we're waiting for almost three weeks.