Замените сложноподчиненные предложения ординарными, употребив трудное подлежащее: Эталон: It is considered

Поменяйте сложноподчиненные предложения ординарными, употребив трудное подлежащее: Эталон: It is considered that the program of experiments has been approved. The program of experiments is considered to have been approved. 1) It is said that the delegation has arrived. 2) It is believed that the weather will change. 3) It seems that he has many difficulties in his work. 4) It is expected that he is working at this problem. 5) It is said that the solution of this problem is not easy. 6) It is believed that the flight was completed yesterday. 7) It is supposed that he has completed his research. 8) It is reported that our football team has won the match. 9) It is turned out that he hasnt yet married. 10) It is known that P.N. Yablochkov invented the Russian light. ПОМОГИТЕ, пожалуйста!!!!