Signing Tip: There are two variations that is commonly used. Use whichever one feels most natural for you and also make sure to observe your local signing community to see which variation they use.
Example: "Who is your teacher?"
Grammar Tip: This is a wh-word question which is always signed with your eyebrows furrowed. Practice furrowing your eyebrows in front of a mirror. You should seem curious, not angry. Remember to always sign the wh-word at the end.