Not completely. Kloves wrote to a mandated length. The original plan for Goblet was to make two 2-hour movies out of it. Alfonso convinced Newell to trim the book down to a 2.5 hour movie. Kloves wrote to that length.

Azkaban could have stood about five more minutes to tie up some loose ends.

Goblet of Fire could have stood about ten more minutes (past the length of the extended edition) to give it a bit of breathing space and to tie up some more loose ends. The Rita Skeeter subplot really needed to be completed.