Related Clues:

• Run or swim, grammatically
• "Stop," in "Don't stop"
• "Go" in "I'll go"
• Word from ever-beloved
• Subject-___ agreement
• Win or lose, perhaps, it’s some clever betting
• Sort of word used by clever bloke
• Important part of a sentence
• Part of speech like ''go'' and ''be''
• Mad Libs prompt
• "Publish" or "perish"
• British minister turning up for part of speech
• Give or take, say
• Word like ''bring'' or ''be''
• Almost any word ending in -ize