'Ah, it's me, and me's the first person singular, nominative case, agreeing with the verb "it's," and governed by Squeers understood, as a acorn, a hour; but when the h is sounded, the a only is to be used, as a hand, a heart, a highway,' replied Mr Squeers, quoting at random from the grammer. 'at least if it isn't, you don't know any better, and if it is, I've done it accidentally.'