How to Form Polar Questions?

English, we use intonation. Navajo has a cliddick particle that gets glummed onto things that can be used to indicate this. There's also an issue just like we had last time with negation. What's the scope? Questions can have scope two. And if certain languages don't like to do what English does, like if you have a strongly tonal language, doing English style tricks to focus might not work so well.