You'll want to include some time in the class to allow them to "free-write" so they can explore the different ways they write. I have been known to write in both ASL and English. There are books out there that can help. One of the better books is from Gallaudet. It's a writer's survial guide...
Hey! Don't forget Deaf Ferrets!
I've got a deaf ferret! I love her a whole bunch! She so much fun to play with. I can't sign with her, but she does come running when I get her attention by the floor vibrations and when she sees me signing "fifteen" (don't ask!). She loves following her two...