Ma matière préférée and mon sujet préféré are French equivalents of the incomplete English phrase "my favorite subject." Context makes clear whether academic (case 1) or theme (example 2) suits. The respective pronunciations will be "ma ma-tyer prey-fey-rey" and "mo syoo-zhey prey-fey-fey" in French.
Quelle est ta matière préférée? in French means "What is your favorite subject (at school)?" in English.
"What is your favorite (school) subject and why?" is an English equivalent of the French phrase Quelle est ta matière préférée et pourquoi? The question also translates as "What's your preferred subject (in school) and why?" in English. The pronunciation will be "keh-ley ta ma-tyehr prey-fey-rey ey poor-kwa" in French.
Avant in French is "before" in English.
"I dance!" in English is Je danse! in French.
do you have ...
"Favorite activities" in English is activités préféréesin French.
"My favorite food" in English is mon plat préféré in French.
"Your favorite pet" in English is votre animal domestique préféré in French.
"My favorite season" in English means ma saison préféréein French.
Quelle est ta matière préférée? in French means "What is your favorite subject (at school)?" in English.
"Favorite stores" in English is les magasins favoris or les magasins préférés in French.
"My favorite French food is tourtière!" in English is Ma nourriture française préférée est tourtière! in French.
"What's your favorite number?" in English is Quel est votre numéro préféré? in French.
"My favorite color is pink" in English is Le rose est ma couleur préférée in French.
"My favorite animal is a wolf" in English is Mon animal préféré est un loup in French.
"What is your favorite fashion label?" in English is Quelle est votre marque de mode préférée? in French.
"My favorite color is blue!" in English is Ma couleur préférée est bleu! in French.