Поделитесь своими знаниями, ответьте на вопрос:
Ii. поставьте предложения в отрицательную и вопросительную форму. 1. the engineer had got new instructions by the end of the month. 2. we will have completed our research work by next month. 3. he has known this famous actor for many years. 4. i had given him the explanation before he began his work. 5. the competition will have been over by noon tomorrow. iii. открыть скобки и употребить past indefinite или present perfect. they already (to arrive) at the station. he (to set) up his own business last year. we never (to see) the queen. recently the plant (to produce) a new model of cars. the examination just (to begin last year they (to invent) a new device. this month the students (to attend) all classes. thomas edison (to make) the first machine with moving pictures in 1891. last term we (to study) general educational subjects. i (to begin) already testing the engine.