Possible Clues:

• 'I ___ saw true beauty till this night': Romeo
• "What, will these hands __ be clean?": Lady Macbeth
• ''. . . and ___ the twain shall meet''
• Aye's opposite, in verse
• Never to Newlove
• Thomas Moore's '___ Ask the Hour'
• At no time, to Tennyson
• Not at any time, in verse
• Not once, to a poet
• ''Thy love __ alter . . .'': Shak.