According to Garner Modern English Grammar

The idiomatic possessive should be used with periods of time and statements of worth — 30 days’ notice (i.e., notice of 30 days), three days’ time, 20 dollars’ worth, and several years’ experience.

Yet, I'd like to know how to use the possessive in coordinated nominals. I've just come across

This is two Christmases and a birthday worth of presents

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.