The investigation revealed a series of errors. A series of errors ..........
A series of errors was revealed (by the investigation).
We expect this year's conference to be cancelled. It ........
It is expected that this year’s conference will be cancelled.
We will assign specific jobs in the next few weeks. Specific jobs ........
Specific jobs will be assigned in the next few weeks.
Some people argued that a strike would harm the company. It ..........
It was argued that a strike would harm the company.
We know the battle took place in 1793. The battle ..........
The battle is known to have taken place in 1793.
People believe that Brunel built this bridge. This bridge ...........
This bridge is believed to have been built by Brunel.
Unforeseen weather conditions had delayed the flight. The flight ......
The flight had been delayed by unforeseen weather conditions.
We think 3,000 people took part in the study. 3,000 people .............
3,000 people are thought to have taken part in the study.
Anyone attending the university can use the library. The library..........
The library can be used by anyone attending the university.
We estimate 15,000 people are attending the festival. 15,000 ..........
15,000 people are estimated to be attending the festival.
The bank lent the company £100,000. £100,000 ......
£100,000 was lent to the company.
The marketing manager presented us with an interesting proposal. We. . ......
We were presented with an interesting proposal by the marketing manager.
People knew that the president enjoyed boxing. The president .....
The president was known to enjoy boxing.
They taught us the Chinese alphabet. We........
We were taught the Chinese alphabet.
We assure our clients a first-class service. Our ...........
Our clients are assured a first-class service.