1. mother of Susan
2. Susan's mother
But so are the following:
1. ten years of experience
2. ten years' experience
Can anyone explain why the order of the two terms is
different in the two cases?
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"Ten years' experience" means "Ten years, their experience"
We would never actually say 'Ten years, their experience', but is simply a way of explaining the apostrophe here.
People are waiting to help.
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