Answer: The rhyming couplets are usually used in poetry in order to make a poem interesting and rhythmic. They help create a rhyming effect in a poem. In literature, Chaucer, Dryden, Pope and Shakespeare have been famous for using rhyming heroic couplets. In Arabic and Chinese literature, rhyming couplets have also been used extensively.
Explanation: Hope this is correct if not I'm really sorry
Answer: Look at these. They'll give you the answer! Promise!
Explanation:

TOPIC:- PASSIVE VOICE
QUESTION:- He was painting a portrait.
ANSWER:- A portrait was being painted by him
RULES FOR FORMATION:-
1. Change the object into subject.
2. use 3rd form of verb .
3. use by and then use subect as object.
HOPE IT HELPES YOU.