Collins Cobuild English Grammar by Collins Cobuild

Author:Collins Cobuild [Collins]
Language: eng
Format: epub, pdf
ISBN: 9780007461288
Publisher: HarperCollins Publishers
Published: 2012-04-18T16:00:00+00:00

USAGE NOTE

5.60 Note that if the verb is already shortened and added to its subject, you cannot shorten not to -n’t. This means, for example, that you can shorten she is not to she isn’t or she’s not, but not to she’sn’t.

It isn’t easy.

It’s not easy.

I haven’t had time.

I’ve not had time.

Note that you cannot add -n’t to am. You can only use I’m not as the shortened form.

I’m not excited.

The form aren’t I is used in questions.

In questions, not is usually shortened to -n’t and added to the first verb in the verb phrase.

Didn’t she win at the Olympics?

Hasn’t he put on weight?

Aren’t you bored?

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