People know that electric cars will be very common.

• It is known that electric cars will be very common.
• Electric cars are known to be very common in the future.

They said that she won the championship.

• It was said that she won the championship.
• She was said to have won the championship.

They report that the president visited Paris.

• It is reported that the president visited Paris.
• The president is reported to have visited Paris.

People know that they earned a lot of money.

• It is known that they earned a lot of money.
• They are known to have earned a lot of money.

People think that they can be successful in the exam.

• It is thought that they can be successful in the exam.
• They are thought to be able to succeed in the exam.