Здесь нужно поставить глагол в правильную форму a) usually we (to have) classes on the campus, but today we (to go) to the training airfield. b) i (not to come) to the lecture yesterday. i (not to feel) very well. i hope my friends (to give) me the notes later. c) specialists from our research institute (just to finish) the experiment. they (to work) on it for a month. d) my telephone (to ring) while i (to play) basketball in the sports center. it (to be) my friend julie who told me i (to get) an excellent mark for my presentation. e) i want to go to this concert tomorrow. i think that i (to finish) writing my course paper. f) samara university (to cooperate) with oxford polytechnic for 10 years by the end of this semester. g) i (not to read) the book on history of aviation yet, so i (do) it all day tomorrow. h) – what is that noise? what (to happen)? - i (not to know). maybe the machine (to break down). j) do you know who (to invent) this kind of engine? k) i (to buy) this book last week, but i (to read) it yet. l) annie asked me how to use this machine. she (never to use) it before, so she (to know) what to do.

A) Usually we have classes on the campus, but today we are going to the training airfield. b) I didn't come to the lecture yesterday. I didn't feel very well. I hope my friends will give me the notes later. c) Specialists from our Research Institute have just finished the experiment. They have been working on it for a month. d) My telephone rang while I was playing basketball in the sports center. It was my friend Julie who told me I got an excellent mark for my presentation. e) I want to go to this concert tomorrow. I think that I will finish writing my course paper. f) Samara University will have cooperated with Oxford Polytechnic for 10 years by the end of this semester. g) I haven't read the book on history of aviation yet, so I will do it all day tomorrow. h) – What is that noise? What is happening? - I don't know. Maybe the machine broke down. j) Do you know who invented this kind of engine? k) I bought this book last week, but I haven't read it yet. l) Annie asked me how to use this machine. She has never used it before, so she didn't know what to do.