 Listen to these sentences at the Talking People Podcast: Useful Language. Communicative Strategies 2
 Listen to these sentences at the Talking People Podcast: Useful Language. Communicative Strategies 2 
Making Comments to Show You're Following
    I see
    I know
    Sure
    Great
    OK, then
    How come? 
    How come + S + V ... ? 
    What for? 
    Why is that? 
    Really? 
    Is it? (Aux +S?) 
    Is it so? 
    Was it so? 
    How come? / Why?
    Why is that?
    Why was that?
    What for?
    Who with?
    Where to?
    
    That's amazing/annoying/surprising
    Oh, yes, that's really
    annoying!
    That really makes me angry 
    That's outrageous! 
    Are you kidding?
    
    Oh, yeah, I love that!
    Oh, yeah, I hate that!
    
    Oh, honestly! (You're making me nervous!) 
    Is that for real? (I can't believe it!) 
    For real! 
    Not again! (Please, shut up!) 
    Not quite (I don't see your point/You're not right)
    
    More on "Asking for Clarification and Getting More Info"