Define the function of the verb “to be”: 1) His complaints about his life are always the same. 2) Somebody is speaking. 3) He is to phone me at 6.00. 4) We are first-year students. 5) This text is not very difficult. 6) I was to meet George at 7 p.m. yesterday. 7) My sister was not well yesterday. 8) What book are you reading now? 9) We were writing a test at 10 a.m. yesterday. 10) I am to go with Jack tomorrow. 11) Last year I was a schoolboy. 12) They were discussing this problem for three hours yesterday. 13) He is to carry Jack’s equipment tomorrow. 14) You are to post the documents. 15) They are leaving for Moscow tomorrow.