You
sit so near the TV. It's bad for your eyes.
must
mustn't
shouldn't
should

Shouldn’t. mustn’t is not a word. must means you should and the sentence is saying NOT to. same with should

Narrative poetry is a form of poetry that tells a story, often making use of the voices of a narrator and characters as well; the complete story is usually written in measured verse. narrative poems include epic ballads, idylls and lay people. lyric poetry is a type of poetry similar to an emotional song, which is distinguished from dramatic and narrative poetry.