Переведите последующие предложения на российский язык, обращая внимание на трудное подлежащее:

Переведите последующие предложения на российский язык, обращая внимание на трудное подлежащее: 1) Tsiolkovsky is known to have developed the theory of rocket flying. 2) The experiment was supposed to have been completed. 3) Electric current is known to flow in metal parts. Переведите последующие предложения на российский язык, обращая внимание на форму глагола придаточных предложений: 1) Не said that he had read this book twice. 2) We thought that the results of your work would be better. 3) The boy said that he was only eight years old. 1) If he were here now, he would tell us many interesting stories about his trip. 2) If she could, she would certainly help you. 3) Had we known all those facts before, we should have written to you about