Question

1) JK Rowling is the most successful writer at our times (Change to Comparitive degree)
2)This box is not aa heavy as that box (Change to Comparitive)
3) Mumbai is one of the richest cities in India (Change to Positive and Comparitive) ​

Answer 1

1. IN OUR TIME, J.K. ROWLING IS THE MOST SUCCESSFUL WRITER.
2. THAT BOX IS MORE HEAVIER THAN THIS BOX.
3. IN INDIA, MUMBAI IS THE ONE OF THE RICHEST CITIES.

Answer 2

Answer:

1) No other writer is as successful as Jk Rowling.

2)No other box is as heavy as that box.

3) Comparative - Mumbai is richer than any other city in india.

Positive- Very few city in India are as rich as Mumbai.

hope it helps you :)