You may take as much as you have time for, and at the same time three or four of the irregular verbs.

You are going about three times as fast as I did when I commenced French." "Perhaps I have a better teacher than you had," said Harry, smiling.
"I shouldn't wonder," said Oscar.

"That explains it to my satisfaction.

Well, now the lesson is over, sit down and we'll have a chat.

Oh, by the way, there's one thing I want to speak to you about.