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Anonymous Posted 12 years ago
Grammar

Could you please explain this sentence to me?

Bob and his colleagues from ABC university based their findings on 5000 boys and 4900 girls between the ages of 10 and 18 - a third of whom had smoked - who were examined between 1974 and 1989.

My questions are:
1) why do they use 'whom'? I don't see an object that 'whom' can refer to.
2) 'who' refers to what?

Thank you so much Emotion: smile
  

Top answer

whom - object of preposition of who -relative pronoun referring to 'boys and girls'

  • whom - object of preposition of who -relative pronoun referring to 'boys and girls'
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2 Answers
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whom - object of preposition of
who -relative pronoun referring to 'boys and girls'
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There were 5000 boys and 4900 girls in the study. One in three smoked.
The members of the study group were examined between 1974 and 1989.

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