   neutral   Are you free this evening, Li?     neutral   I ’ m afraid I ’ m busy tonight. I ’ m having dinner with friends.  
    neutral   What a pity. I wanted to go for a drink with you.     happiness   What about tomorrow? Are you doing anything tomorrow?  
    neutral   No, I haven ’ t got any plans.     happiness   
 Shall we have lunch together? 
 Well, how does Friday sound?    surprise   It's only Tuesday now