doesn t supposed to or isn t supposed to You aren’t supposed to say “doesn’t supposed to.” The expression is “isn’t supposed to.” Facebook Twitter Google + Do you make these 10 mistakes? grill vs grille pastorial vs pastoral throws of passion vs throes of passion land lover vs landlubber swam vs swum espouse vs expound vs expand extend vs extent invested interest vs vested interest ect. vs etc. root vs rout vs route