"The hour for his grammar lesson had now arrived. The tutor bowed to Arthur's mother, smiled, and commenced:
"'Do you know your lessons, my young friend?'
"'I have studied them, sir.'
"'Do you know them? It is of little consequence that you have studied them, if you do not know them.'
"'I believe I do, sir.'
"'Well, let us see—begin.'
"'In the tenses,' began Arthur a little embarrassed, 'we should distinguish the moods and the verbs.'
"'Nonsense! you should have said, "In the verbs we should distinguish the moods and the tenses."'
"'Yes, sir, that is what I meant to say; I knew that, but my tongue slipped.'
"'Your tongue slips very often. Continue'—