Choose a grammatical area you wish to improve upon. Choose a subject. Use your grammatical area as much as possible to create your message.
She watched me walk.
She heard me talk.
She wondered what my words they were.
She followed me.
She stalked me.
She killed me in my sleep.
She showed herself capable.
She proved herself a man.
She did what she did to control what she can.
Ok, so it's certainly not great poetry. But, you can put as much effort into it as you wish. It can be fun. Give it a try, and share your words in my comments section.