Usually the "please" expression goes after the request 1. Asking for an item/food at a store => item + (number of items) + (wo) onegaishimasu or kudasai 2. Requesting an action from someone else => request + yoroshiku onegaishimasu 3. Asking a friend/family member for a favor => request + tanomu yo Begging a friend/family member => onegai!