Possible Clues:

• "Be __ ..."
• "Be __ ...": start of a polite request
• 'Be ___ and bring me my slippers ...'
• "Be ---, won't you, and..."
• 'Be ___ and help me'
• ''Be ___'' (request start)
• 'Be ___ and ...'
• 'Be ___ ...' (5)
• ''Be ___ . . .'' (start of a request)
• 'You're such ___ for helping'