> If you left out either of "ne" or "pas" in such a construction, people would either laugh, or assume you were some kind of primitive language generator.
Isn't it common to drop the "ne" in colloquial speech?
“Common” is an understatement. It’s practically universal. You will sound weird if you systematically include “ne”, like you learned to speak by reading books and have never communicated with a real person.
Isn't it common to drop the "ne" in colloquial speech?