Hello Jimm88, Check the following 1000 most common English phrases. (They are alphabetically ordered and you can audio hear them) http://www.englishspeak.com/english-phrases.cfm Hope it helps ;)

What's up? "I'm outta here" (I am out of here)= im leaving now "You gotta be kidding me."=You must be joking. Hmmm. I hadn't thought of that before. Let me see if I understand you correctly. . . Are you busy? Interesting point. I would add... You might be right, but . . . Anyway, What were you saying? etc etc etc :]