“Non-flammable” is not a challenge

The-Simpsons-s11e17 - Bart to the Future

From: Bart to the Future
Season 11, Episode 17

A belch is not an oral report

The-Simpsons-s11e15 - Missionary- Impossible

From: Missionary- Impossible
Season 11, Episode 15

Class clown is not a paid position

The-Simpsons-s11e12 - The Mansion Family

From:  The Mansion Family
Season 11, Episode 12

Pork is not a verb

The-Simpsons-s11e02 - Brother's Little Helper

From: Brother’s Little Helper
Season 11, Episode 2

Grammar is not a time of waste

the_simpsons.10x15.marge_simpson_in_screaming_yellow_honkers

From: Marge Simpson in Screaming Yellow Honkers
Season 10, Episode 15