The Daily Grind

Learning to be a writer is a multi-pronged approach. I recommend:

• writing in your journal each day, whether you employ totally free writing, or thematic prompts; 
• engaging in drafted pieces of poems or stories; 
• editing drafts to completion; 
• examining and discussing the work of other writers in the group as well as works by famous writers.

If you are having trouble coming up with ideas, check out this site:
Journal Prompts

And here are some suggested exercises:

Creative Writing Exercises
Writing Prompts
Exercises

Some poems to analyze together: (Note--there is a lot of analysis on these poems online, so don't be afraid to see what others think about them. Do, however, try to look at them on your own before checking out the ideas of others.) 

On Reading Poems to a Senior Class at South High
The Love Song of J. Alfred Prufrock
The Red Wheel Barrow
The House on the Hill

And some short fiction:
Hills Like White Elephants
(Suggested group activity: Use this Dream Dictionary to look up symbols.)
A Jury of Her Peers 

And some creative nonfiction:
Living Like Weasels
Notes on Writing Creative Nonfiction

I sent these all to you digitally, but you probably want to print them out so you can write on them.