Possible Clues:

• Biblical verb
• Biblical verb with 'thou'
• "O coward conscience, how ___ thou afflict me!"--Shakespeare
• Methinks thou ____
• 'O mighty Caesar! ___ thou lie so low?': Shak.
• Shakespearean verb with "thou"
• Old-fashioned do?
• Word before "thou," sometimes
• Thou ____protest too much
• 'O mighty Caesar! ___ thou lie so low?': Shak