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Michelle Cha Posted 9 years ago
Grammar

relative pronoun 'of which'

1. I have a friend whose son is a doctor.

2. I have a friend the son of which is a doctor.

3. I have a friend, the son of which is a doctor.

4. I have a friend of which the son is a doctor.

5. I have a friend, of which the son is adoctor.

My first question here is which sentences are grammatical and the same as sentence 1 in meaning.

Secondly, if sentence 3 and 5 are grammatical and interchnageable with sentence 1, how "I have a friend, whose son is a doctor" can be changed using 'of which'.

I've been confused with the usage of 'comma' in a complex sentence which has a possassive relative pronoun 'whose' and 'of which' .

As always, thank you so much native teachers.
  

Top answer

None of those alternatives sound correct to me. If I had to convert (1) to that sort of pattern then I would say "I have a friend, the son of whom is a doctor", but it seems kind of convoluted, and I prefer the original. "I have a friend, whose son is a doctor" does not look correctly punctuated to me.

  • None of those alternatives sound correct to me.
  • If I had to convert (1) to that sort of pattern then I would say "I have a friend, the son of whom is a doctor", but it seems kind of convoluted, and I prefer the original.
  • "I have a friend, whose son is a doctor" does not look correctly punctuated to me.
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4 Answers
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None of those alternatives sound correct to me. If I had to convert (1) to that sort of pattern then I would say "I have a friend, the son of whom is a doctor", but it seems kind of convoluted, and I prefer the original.

"I have a friend, whose son is a doctor" does not look correctly punctuated to me.
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Michelle ChaMy first question here is which sentences are grammatical and the same as sentence 1 in meaning.
They are all grammatical and they all have the same meaning.

However, the punctuation in 3 and 5 is wrong. There should be no commas. The relative clause is not merely parenthetical. It serves to specify more exactly which friend you're talki
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Sorry for the confusion. I mistakenly typed which instead of whom. Also I appreciated your kind reply.

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