Transform the sentences according to the mod- els to practise the use of the complex subject: a) model: it is expected, that he will enter the university. he is expected to enter the university. 1. it is known, that the scientific knowledge will grow. 2. it is believed, that the scientific knowledge has become more com- plicated. 3. it is said, that he will come in a week. 4. it is ex- pected that he will test it experimentally. 5. it is known that he is a good physicist. b) model: will he take part in the conference? - yes, he is certain to take part in it. 1. will mr. brown come to our computer centre? 2. will he apologize to her? 3. will he congratulate me on my birthday? 4. will they buy new computers? 5. will mr. mitchell come to. russia again? C) model: do you know james mitchell? - yes, i happen to know him. 1. do you know this researcher? 2. did you meet him in moscow? 3. did you see this new film? 4. does james know this scientist? 5. did you see her?​