They're all guessed now - the ones you didn't get were:

3. That is the last time we take directions from a squirrel - The Emperor's New Groove

5. It was question and answer, all right. Twenty-seven questions he got out in ten minutes, and answered three! I was waiting for you to *delve.* "When is he going to start delving?" I asked myself - Rosencrantz and Guildenstern are Dead

and

8. Really? When was the last time you stabbed a corpse? - Gosford Park

But the last one just seems so unlikely!