Impersonal passive voice

It is said that these herbs are good for you.

• These herbs are said to be good for you.

• These herbs were said to be good for you.

• These herbs are said to have been good for you.

They think she has written a book.

• She is thought to have written a book.

• She is thought to have writen a book.

• She is thought to write a book.

People believe he is working in Germany.

• He is believed to be working in Germany.

• He is believed to have be working in Germany.

• He is believed to have worked in Germany.

People believed that John Lennon was a great musician.

• John Lennon was believed to have been a great musician.

• John Lennon is believed to have been a great musician.

• John Lennon was believed to be a great musician.

It is thought that the government was building new schools.

• The government was thought to be building new schools.

• The government is thought to have been building new schools.

• The government is thought to have built new schools.

• The government is thought build new schools.

It was believed that he had lived in London.

• He was believed to have lived in London.

• He was believed to be living in London.

• He was believed to live in London.

People say that Mr President is in China.

• Mr President is said to be in China.

• Mr President is said to have been in China.

• Mr President was said to be in China.

It is believed that walking under a ladder brings bad luck.

• Walking under a ladder is believed to bring bad luck.

• Walking under a ladder was believed to have brought bad luck.

• Walking under a ladder is believed to have brought bad luck.

Some people consider that football is the best sport in the world.

• Football is considered to be the best sport in the world.

• Football is consider to be the best sport in the world.

• Football is considered to have bene the best sport in the world.

People thought that football is the best sport in the world.

• Football was thought to be the best sport in the world.

• Football is thought to have been the best sport in the world.