1. A lot of people told us that you were the winner of the City Olympic Prize in the competition last year. 2. Someone informed me that our manager is

1. 
– It was told that you were the winner of the City Olympic Prize in the competition last year.

– You were told to be the winner of the City Olympic Prize in the competition last year.

2. 
– It was informed to me that our manager is going to change the supplier.

– Our manager was informed to be going to change the supplier.

3.

– It was announced that the workshop was delayed about 2 months because of Covid-19.

– The workshop was announced to be delayed about 2 months because of Covid-19.

4. 
– It was discovered that this plant was grown in South Asia.

– This plant was discovered to be grown in South Asia.

5. 
– It is promised that the show will start on time.

– The show is promised to start on time.

6. 
– It is recommended that everyone should travel in Hong Kong in this summer vacation.

– Everyone is recommend to travel in Hong Kong in this summer vacation.

7. 

– It was believed that my sister would pass the final exam.

– My sister was believed to pass the final exam.

8. 
– I have been persuaded that people will join with me in the seminar.

– People have been persuaded to me to join with me in the seminar.

9.

– It has been decided that the company will travel to New York together next month.

– The company has been decided to travel to New York together next month.

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Câu bị động không ngôi 

– It+ be+ PII that+ S+ V(chia)…

– S+ be+ PII+ to V/ have PII…