Study a Danish language book, many of which feature sections for common phrases. Learn how to pronounce Danish vowels and consonants, for example "e" in Danish is a short, flat sound, such as in the word "met." Practice common phrases once you have an idea of how to correctly pronounce the language.
Review common Danish phrases as provided by free online tutorials. Try sites such as Learnissimo, which features video conferences with native teachers; Speak Danish, which features pronunciation, grammar lessons, as well as a phrasebook; and Kwintessential, which features pronunciation guides and common phrase translations.
Download free trials of Danish Language software through sites such as Linguata, BYKI and Transparent Language for more practice with common Danish phrases.