He has taught a Sunday school class at his church since the late 1980s.

He has been teaching art and architecture history since 1947.

He had been teaching full time since 1991 and was a substitute teacher for three years before that.

He graduated from the college in 1977 and has taught there since 1979.

Having taught since the 70s, I have stepped down to point 5 to get some work/life balance.

He has taught health and physical education in the Hartford schools since 1980.

English is the first foreign language in our country and it has been taught since kindergarten.

Engineering, which had been taught since 1903, became a separate school in 1939.

He has been teaching logic and philosophy of language there since 1975.

Anatomy was taught within the University since its foundation in about 1231.