1.They told me that you were the best architect in this city

=> I was told that you were the architect in this city.

2.She reported that the flowers were killed by frost.

=> It was reported that the flowers were killed by frost.

3.Some people inform me that the director is going to take a business trip to England.

=> I am informed that the director is going to take a business trip to England.

4.That officer announced that the meeting was delayed until next week.

=> It was announced that the meeting was delayed until next week.

5.He discovered that this cotton was grown in Egypt.

It was discovered that this cotton was grown in Egypt.