Phrases combining “of” with a noun followed by “S” may seem redundant, since both indicate possession; nevertheless, “a friend of Karen’s” is standard English, just as “a friend of Karen” and “Karen’s friend” are.
of __’s
Phrases combining “of” with a noun followed by “S” may seem redundant, since both indicate possession; nevertheless, “a friend of Karen’s” is standard English, just as “a friend of Karen” and “Karen’s friend” are.