is this sentence proper?<br/><br/>What do you eat once you get an appetite. What do you eat once you got an appetite. What do you eat once you have gotten appetite? <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' alt='Emotion: smile'/> three proper?