4 Read the pairs of sentences and explain the difference in meaning. 1 a He's written a book. b He's been writing a book. 2 a Who's eaten my chocolates? b Who's been eating my chocolates? 3 a She's never been to a wedding before. b She'd never been to a wedding before. 4 a I've tried to call her. b I've been trying to call. 5 a They'd been married for thirty-five years! b They've been married for thirty-five years! 10

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