Related Clues:

• Do not exist
• Isn't for two?
• Failed to be
• Are not shortened?
• '-- we all?'
• ''___ you the lucky one!''
• "You __ kidding!"
• ''__ you glad?''
• Ain't properly done?
• ''You __ kidding!''
• Ain't grammatical?
• "__ you clever!"
• ''___ you ashamed of yourself?''
• ''___ they cute?''
• Cole Porter's "___ We Fools"