4
votes
3answers
9k views

Should “two weeks vacation” be “two weeks' vacation” (possessive)?

I've always understood that the phrase "two weeks" usually turns to "two weeks'" when used as a modifier -- as in "I'm giving my two weeks' notice" or "I get two weeks' vacation" ("two weeks' holiday" ...
0
votes
1answer
340 views

“User's expertise” or “user expertise”?

What is the correct form when referring to the expertise of a user (e.g. in programming, writing)? user's expertise user expertise
3
votes
2answers
918 views

Explanation on when the possessive should be used instead of an attributive noun

How would you explain to a person who is learning English, and whose native language does not have attributive nouns, when the possessive should be used instead of an attributive noun? In particular, ...