Apart from bonjour [ hello] and merci [ thanks] here are 15 essential French phrases http://www.learningfrenchcritic.com/BasicPhrases/fifteen-must-know-french-phrases-for-tourists.php It is customary to always say bonjour when you go into a shop or hotel. Always say merci[ thanks] afterwards. Supermarkets sell groceries, wine and pre-made meals. You can pay with your visa card at the check out. Many people speak English in France. If you have a map, they will point out how to get to where you want to go.