Question

the waves swept Meghna away change passive voice​

Answer 1

Meghna is swept away change by the waves

Answer 2

Meghna was swept away by the waves.

EXPLANATION:  

The given sentence is in active voice. Active voice is in the form of ‘ the subject doing an action on the object’. The passive voice should be changed to ‘ the object is done by the subject’. Example: ‘The boy hit the ball’ can be changed into ‘The ball was hit by the boy’. Here the subject is ‘the waves’. Adjective is the word ‘swept’. The object meghna was swept by the subject ‘waves’.