which is correct "I have many friends,who all are University students" or "I have many friends,all of whom are University students"?

  • @aparente001 is correct: "who all are" is not right. I would always say "who are all" rather than "all of whom"; perhaps this is because I am British.
    – TonyK
    Jul 4, 2019 at 23:22
  • @TonyK - I wonder what happened to my comment? I don't recall writing anything that could have been flagged for removal. Jul 5, 2019 at 2:45

1 Answer 1


Both are acceptable, but the second is much more frequently used. I enter ", who all" into COCA https://www.english-corpora.org/coca/, and it returns 248 results. 1536 example sentences with ", all of whom" are found in the corpus.

  • I think this is a regional thing. As a Brit, I prefer "I have many friends, who are all university students" by a large margin.
    – TonyK
    Jul 4, 2019 at 23:20
  • Yes, if I had to guess I'd say the one with "all of whom" (while meaning the same thing) is more formal.
    – Zebrafish
    Aug 3, 2019 at 23:34

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