Первый слайд презентации: Конструкции и выражения, требующие гл. to be
Be able to / be unable to = can Are you able to speak Chinese ? No, I am not. I am able to speak English. Be acquainted with smb / smth Are you acquainted with Mr. Barak Obama? No, I am not. I am acquainted with Mr.Putin.
Слайд 2: Конструкции и выражения, требующие гл. to be
Be responsible for Is manager of restaurant responsible for making reservations and managing available rooms ? No, he is not. Manager of restaurant is responsible for serving tables and taking orders.
Слайд 3: Конструкции и выражения, требующие гл. to be
Be profitable / be unprofitable Is it profitable to open restaurant in the bedroom suburb? No, it is not. It is profitable to open restaurant in the center of Moscow. Be similar to / different to/ be same as Is English similar to French ? No, it is not. English is different to French. English is similar to Spanish.