Possible Clues:

• The rate that's not straight for 11across
• Show what's at in there, there
• Playhouse or sphere of action
• There's playing at in there, all for show
• He gets in there for a treat - it all goes to show
• The tear gets twisted, just for show
• Put your heart into it, just for show
• Is that the rate of where you'd see 13 across
• The way to get at three in this with play
• Show there around at it