. Замените сложноподчиненные предложения простыми, употребив сложное подлежащее:
Образец: 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 hasn’t yet married.
10) It is known that P.N. Yablochkov invented the “Russian light”.

1) The delegation is said to have arrived.2) The weather is believed to change.3) He seems to have many difficulties in his work.4) He is expected to be working at this problem.5) The solution  of this problem is said not to be  easy.6) The flight is believed to have been completed yesterday.7)  He  is supposed to have completed his research.8) Our football team is reported to have won the match.9) He is turned out not to have yet married.10) It  that P.N. Yablochkov is known to have invented the “Russian light”.