Составьте 10 предложений на языке на тему "complex subject" !

Bob was heard to laugh heartily. 
The company is expected to make profit this year.
My close friend is known to have won the dancers contest.
The work proved to be useful. 
They seemed to have forgotten him. 
The book was believed to have been lost.
My prediction turned out to be correct. 
She is not likely to come in time tomorrow.
Her mood seems to have changed for the worse. 
This girl is told to know Korean language.