English grammar questions, answered by Alan
- EC Teacher
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- Joined: Mon Dec 29, 2003 7:56 pm
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- Location: Japan
Reasons already explained: the phrases that it introduces have an implicit agency that the true prepositional phrase can never have. Simply to label it a 'preposition' (which, admittedly, some reference works do) is, to my mind, sacrificing accuracy for the sake of simplicity!