Question

how to write a poem about mrt train

Answer 1

Here are two sites on how to write a poem.

http://www.wikihow.com/Write-a-Poem
http://www.charlesghigna.com/poemhowto.html

Remember - poetry is about senses, not facts. What does the train sound like, smell like, feel like?
How does the train make you feel?
When you are around trains, what comes to your mind?