Potter! There are hundreds of people thundering through my pub!
Well, usually when a person shakes their head," said McGonagall coldly, "they mean 'no.' So unless Miss Edgecombe is using a form of sign language as yet unknown to humans.
When in doubt, go to the library.
There's always room for a story that can transport people to another place.
Can I have a look at Uranus too, Lavender?
Yes, it is easy to see that nearly six years of magical education have not been wasted on you, Potter. Ghosts are transparent.