(Mackenzie - 2012)
“You have to motivate yourself with challenges. That’s how you know you’re still alive. Once you start doing only what you _____(I)_____ you can do, you _____(II)_____ on the road to death.”
Jerry Seinfeld
The verb forms that correctly complete the blanks I and II in the quotation are:
should have proved, will be
had proven, would be
have proven, are
may have proven, can be
will be proving, will have been