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Warrener Posted 20 years ago
Grammar

Must have been OR must has been?

0There is a confusing sentence:02br
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00"The experts from the London Zoo thought that this puma must have been in the possession of a private collector and somehow managed to escape."02br
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00Should we use "must has been" in this sentence, since "puma" is NOT a plural?02br
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00Thanks for your comments.0-
  
6 Answers

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