How do you begin a question?

With does, do, why, what, will, is, did, which, where, how, who or whom, must, can, shall, or whatever.

"Does it work?"

"Do they work?"

"Why does it work?"

"What will work?"

"Will it work?"

"Is it going to work?"

"Did it work?"

"Which one worked?"

"Where will it work?"

"How did it work?"

"Who did it work on?" (Technically correct: Whom did it work on?)

"Must you do that?"

"Can it work?"

"Shall it work?"

"Whatever shall we do if it does not work?"