English grammar transformation

Question

As soon as the arrangements were made to release extra water from the reservoirs,the rain came in a downpour.

Start your sentence with "No sooner...."

Answer 1

Original Sentence: As soon as the arrangements were made to release extra water from the reservoirs,the rain came in a downpour

Correction: The rain came to a downpour as soon as the arrangements were made to release extra water from the reservoirs.

Answer 2

ORIGINAL SENTENCE: As soon as the arrangements were made to release extra water from the reservoirs,the rain came in a downpour.

MY CORRECTION: No sooner had arrangements been made to release extra water from the reservoirs than the rain came in a downpour.