Collins Cobuild English Grammar

Third Edition

Managing Editor

Penny Hands

Editorial Consultant

Roger Berry

Lingnan University, Hong Kong

Project Manager

Lisa Sutherland

Senior Corpus Researcher

Kate Wild

The Grammar of Academic English

University of Glasgow Language Centre

Dr Esther Daborn

Anneli Williams

Louis Harrison

Corpus Researchers

George Davidson

Kate Mohideen

Elizabeth Potter

Elspeth Summers

Laura Wedgeworth

The Grammar of Business English

Simon Clarke

American English Consultant

Orin Hargraves

For the Publishers

Lucy Cooper

Kerry Ferguson

Elaine Higgleton

Computing Support

Thomas Callan

Founding Editor-in-Chief

John Sinclair

We would like to thank the following people for their contributions to previous editions of the text:

Maree Airlee, Mona Baker, Henri Béjoint, Adriana Bolívar, Jane Bradbury, David Brazil, Dominic Bree, Nicholas Brownlees, Tony Buckby, Stephen Bullon, Annette Capel, Michela Clari, Jane Cullen, John Curtin, Richard Fay, Gwyneth Fox, Richard Francis, Iria Garcia, Gottfried Graustein, John Hall, M.A.K. Halliday, Patrick Hanks, Ron Hardie, Anthony Harvey, Lorna Heaslip, Michael Hoey, Roger Hunt, Sue Inkster, Andy Kennedy, Lorna Knight, Ramesh Krishnamurthy, Tim Lane, Marcel Lemmens, Helen Liebeck, Alison Macaulay, Elizabeth Manning, Agnes Molnar, Rosamund Moon, Sue Ogden, Charles Owen, Georgina Pearce, Georgina Pert, Anne Pradeilles, Christopher Pratt, Christina Rammell, Clare Ramsey, Ramiro Restrepo, Christopher Royal-Dawson, Toňi Sanchez, Katy Shaw, Sue Smith, Mary Snell-Hornby, Tom Stableford, John Todd, Bob Walker, Laura Wedgeworth, Herman Wekker, Douglas Williamson, Jane Winn, Deborah Yuill