Time to take stock, filmwise, of the year that was. My grading system (from 0—none this year though I could barely bring myself to give a 6 to the much-applauded Tree of Life—to 20) helps do a quick scan of the hundreds of films I’ve seen in 2011. What does a film have to be and do to get 20? Keep me consistently engaged, not have any off moment, not have any special goofs or anachronistic touches, offer intelligent writing