I use to know how to use apostrophes, but after two decades of marking (two decades' marking?) I've lost the sense of flavour.

Take this:

• "1970s gender expectations"

The author suggests an apostrophe, but I think they want:

• "1970's gender expectations"

but we're not just talking about 1970 - which pedants might argue isn't actually in the 1970s ( Read more... )

Is there some rule which that governs the use of "that" and "which" "that" "which" (dammit), that says that "that" is the word that is to be used rather than "which"?

I have a horrible feeling that someone might mention intrangient verbs to me. Or something.