All the different stuff Mcgonagall has made Ron write :
"I will not tell everyone that I overheard my sister saying, 'So I was like, 'Avada Kadavra!' and he was like, 'Dead.' "
"I will not ask Harry if his scar senses are tingling."
"I will not call Draco Malfoy the amazing...bouncing...Ferret."
"I am not authorized to negotiate a peace treaty with Voldemort."
"I will not say 'dude, get a life' to the Dark Lord."
"I will not ask Professor Snape why he stole Batman's cape."
"I will not scare the Arithmancy students with my calculus book.
"I will not spread rumors saying, 'When Voldemort goes to bed he checks his closet for Mrs. Weasley.' "
"I will not tell Penelope Clearwater that Percy wouldn't recognize a joke if it dances naked in front of him wearing Dobby's tea cozy."
"I will not sing "We're off to see the wizard!" when sent to the headmasters office."
"I will not send You-Know-Who a letter saying, 'I have eight horcruxes, take that Voldy!' "
"Professor Flitwick's name is not Yoda."
"I will not bring a magic eight ball to Divination class"
"If a classmate falls asleep, I will not take advantage of the situation and draw a Dark Mark on their arm."
"I am not allowed to make lightsaber sounds with my wand."
"I am not allowed to introduce Peeves to paintballing."
"I will not follow potions instructions in reverse order just to see what happens."
"I will not give Hagrid Pokemon cards and convince him that they are real animals."
"I will not dress up as Voldemort for Halloween"