"Did it occur to you that I might be the one having a heart attack?"

"Did it occur to you that we may both be making a mistake?"

"Didn't it occur to you that we had software on the system doing exactly the same job?"

"Does it not occur to you that ye might be with child?"

"Did it not occur to you that the telephone might be quicker?"

"Has it occurred to you, Watson, that our two most recent cases have something in common?"

"Didn't it occur to you that I was stuck in here?"

"Didn't it occur to you that I might want to help?"

"Did it occur to you that anyone might be worried?"

Then I did some thinking, and it occurred to me that the child.