Which grammar? That grammar?
Arnold Zwicky over the Language Log on the age-old that/which controversy: The usual scheme for choosing relativizers is what I’ve called Fowler’s Rule: that in restrictive relatives, which in non-restrictive relatives (it’s more complicated than that, but this is the slogan version). I’m with Fowler, but there are some authors – Douglas Adams, for one [...]
Pretend you’re me.