Why don't some contractions work in certain places? That is, why can't we answer the question 'Is she coming?' with 'Yes, she's'? Why do I sometimes see are with company or team names, as in 'Apple are announcing a new iPhone'? Why do I sometimes hear constructions like needs washed or needs looked at? Is it 'between you and me' or 'between you and I'? How do I indicate possession when something belongs to two people? Should I use a or an before this word, acronym, or initialism? Looking for books about grammar, style and conventions? Check out our list of resources. Every top-level comment must accurately answer OP's question and provide a thoughtful, knowledgeable explanation based on evidence.
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