In Expressions^x, Genitives^x, Verbs^x

Grammar Geek wrote: What is the context for It's 10 minutes' meeting or It's a 10 minutes' meeting ? Those don't sound normal at all! So I'm missing something. It's a meeting of 10 minutes sounds grammatical, but not natural. But my mind doesn't rebel against it like the two above. Hi GG I...

would you say "John calling" is a noun phrase almost identical to "his calling" where "calling" is a genitive functioning as a noun? No. There is nothing genitive going on here. It's (among other things) a Whiz-Deletion. That will be John who is calling. So calling is part of the verb...