Go ahead and publish it for us to read. No need to be ashamed of our own work. Besides, we are not native speakers of English. It's OK we make mistakes. Besides, I am sure you have heard of the the following proverb: To err is human.
It is OK that we make mistakes as long as we improve and get better each time we make something new. Besides, sometimes grammar mistakes may be overlooked in poetry - to a certain extent in fact.
I think everything is difficult the first time we do it.
Hey come on. You must see my first work that I produced 16 years ago. My teacher's corrections were more than I wrote myself!