Spoilers From Doctor Who TV

Doctor Who TV has posted some coded spoilers this week, this is the most sense I managed to make out of them:

one is past the is two three and four must wait

farewell amelia last ten something old one and two you already know four is from messages for shree

If anyone could tell me what this means, please do. You can find my email address in the Contact Me page in the sidebar, if you don't want to ruin it for other readers.