Polite Part II

お + stem + になる This makes a 'normal' verb honorific (exalted) [You are speaking to or about someone with a higher status than you (your boss)]

社長と話しましたか？ shachou to hanashimashita ka? Company president - with - talk - ? Did you speak with the boss? (normal)		社長とお話になりましたか？ shachou to o hanashi ni narimashita ka? Did you speak with the boss? (polite)
何か飲みませんか？ nanika nomimasen ka? something - won't drink - question Won't you drink something? (normal)		何かお飲みになりませんか？ nanika o nomi ni narimasen ka? Won't you drink something? (polite)

お + stem + ください This also makes a 'normal' verb exalted; it is used when asking things - 'please give me'

売ってください。 utte kudasai. Please sell (me this). (normal)		お売りください。 o uri kudasai. Please sell (me this) (honorific)
食べてください。 tabete kudasai, Please eat. (normal)		お食べください o tabe kudasai. Please eat. (polite)

For a more detailed explanation and many more examples see here.