Can someone please tell me, that in a negative sentence, does 'du' change into anything?
I'm really confused
yes it changes. For example : "J'ai un oncle" (I have an uncle) it becomes "Je n'ai pas d'oncle" (I have no uncle)
"J'ai du travail à faire" (I have work to do) "Je n'ai pas de travail à faire" (I have no work to do)
" J'ai de la chance" (I have chance/luck) "Je n'ai pas de chance" (I have no chance/luck)