“Who’s book is this?”
Confusables Entry 585 / 1011 60-second read
Whose vs. Who’s
Possessive versus contraction.
The comparisoni
“Whose book is this?”
The ruleii
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WHOSE = possessive. WHO’S = who is.
WHOSE owns. WHO’S = who is or who has.
Memory aidiii
Remember it like this
Apostrophe = who is.