HELP IM DYING IN THE MF SAHARA DESSERT BETCH

When you take french in high school, would you already have to have learned french or no?

Translate this to french asap: if i could get a gift card to a store in the mall, it would be a clothing store. if someone was getting presents for me, they would probably go to an art store, a clothing store, and a candy store. i think if you are buying a gift for a friend, you should spend about 20 dollars. i like to get my friends gifts that they will love and use often. no google translate plz

Decide if the following french sentence is grammatically correct or incorrect. je rentre chez moi a metro.