______ fired, your health care and other benefits will not be immediately cut off.

---Look at these tracks. It _____ be a wolf.”  ---Don’t be so sure. I think it _____ be a fox.

-- May I smoke here?-- If you____, that's the smoking section over there.

—Did you go to the fashion show last week?—I _____, but I was fully occupied the whole week.

Peter ______ be really difficult at times even though he’s a nice person in general.