"That isn't grammar. You should say, 'Why can it not either?'"
"Why?"
"I don't know."
"Say prehaps."
"No, I can't even say prehaps."
"Well, say I shall understand when I'm a big girl."
"You'll understand when you're a big girl, Margery," I said solemnly.
"Oh, I see."
"That's right. Now then, what about going to sleep?"
She was silent for a moment, and I thought I was safe. Then——