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Should I use:

That is Bob's phone
He is Bob's student
Bob's car is red

or:

That is Bobs phone
He is Bobs student
Bob's car is red

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closed as general reference by Armen Ծիրունյան, JSBձոգչ, coleopterist, MετάEd, Mark Beadles Nov 8 '12 at 19:25

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1 Answer 1

up vote 4 down vote accepted

The current convention requires Bob's in all those examples.

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