11.   Because universities teach by how they act in society as well as what they offer in the classroom, Harvard has an obligation to behave in an educated way.

12.   Burton taught tennis by day, bartended by night, but never lost his fascination with refining the snowboard.

13.   Forte, who has never taken a writing class, taught himself by studying the plays of Harold Pinter and David Mamet.

14.   Fourth-grade history as taught by Miss Leo Long brought me up to date.

15.   He teaches by using the Socratic method of asking questions.

16.   He taught himself by reading instructions printed inside boxes of film.

17.   He teaches by example.

18.   Here are free courses taught by branded, compelling instructors.

19.   I kept both hands on the steering wheel, as taught by police officer friends wary of trigger-happy cops.

20.   I taught myself by doing those tastings.