“They are eating mangoes” change into passive voice –
Mangoes are being eaten by them.
Mangoes can be eaten by them.
Mangoes are going to be eaten by them..
They have eaten mangoes.
Explanation:
Correct Answer is: Mangoes are being eaten by them.

Mangoes are being eaten by them.
Mangoes can be eaten by them.
Mangoes are going to be eaten by them..
They have eaten mangoes.
Correct Answer is: Mangoes are being eaten by them.

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