Personal / impersonal construction

They say she was a good writer
They think she was writing a new book.
They know she has written 5 books.
They believe she has been writing since her childhood
They knew she had written 5 books.
They believed she had been writing since her chidhood
She is said to have been a good writer
She is thought to have been writing a new book.
She is known to have written 5 books.
She is believed to have been writing since her childhood.
She was known to have written 5 books.
She was believed to have been writing since her childhood.

People think that neither side wanted war. Neither side is ...................................................................................................
People say that fewer than 1,000 blue whales survive in the southern hemisphere. Fewer ................................................................................................................
Everyone knows that eating fruit is good for you. Eating fruit ........................................................................................................
People consider that one in three bathing beaches is unfit for swimming. One in three bathing beaches ............................................................................
At least 130,000 dolphins are reported to be caught in the nets of tuna fishers every year. It is ....................................................................................................................
It is estimated that in the past 15 years about 10 million dolphins have been killed. About 10 million dolphins ...............................................................................
In ancient Greece people thought dolphins were men who had abandoned life on land. In ancient Greece it ..........................................................................................
In ancient Rome it was believed that dolphins carried souls to heaven. In ancient Rome dolphins ................................................................................
People say that the company invested fifty million pounds last week. The company ....................................................................................................