Full form short form

negatives (/ am ready) I am not ready I m not ready

(He is late) He is not late He isn t He s not late

(We are going) We are not going We aren t/We re not going

(I can see you) I cannot see you I can t see you

(It will rain ) It will not rainIt won t rain

13.2 Questions/negatives with 'do', 'does' and 'did' [> 10. 4 10.41-43]

questions (/ You We/They dance well)

Do I you we they dance well?

(He She It works well)

Does he she it work well'?

(I You/He/She/It We/They ran fast) Did I you he she it/we they run fast?

negatives
(/ You They work)
I (etc) do not work (full form) / (etc) don't work (short form)

(He She It works)

He (etc ) does not work (full form) He (etc) doesn't work (short form)

(/ You He She It We They went)

I (etc) did not go (full form)/ (etc) didn't go (short form)

Yes/No questions: what they are and how they are formed

A Yes/No question is one which asks for Yes or No in the answer Have you ever been to Egypt? Haven t you ever been there?

Yes I have No I haven't Yes I have No I haven't

Does he like fish" Doesn t he like fish?

Yes he does No he doesn't Yes he does No he doesn't

13 Questions answers negatives

The formation of Yes/No questions with 'be', 'have' and modals

Statements with be [auxiliary or full verb > 10.6-7], have (auxiliary or sometimes full verb when have = 'have got [> 10.27-30]) and modal verbs like can [> 11.5.2] can be turned into Yes/No questions by inversion That is, the appropriate form of be have or the modal verb goes in front of the subject

statement He is leaving inversion He is leaving question Is he leaving?

13.3.2 The formation of Yes/No questions with 'Do', 'Does', and 'Did'

With all other verbs we form Yes/No questions with Do? Does? (simple present) and Did? (simple past) The form of the verb that follows Do Does or Did (+ subject) is always the bare infinitive (e g go play think [> 16.1])

Do goes before I/you/we/they for questions in the simple present
statement I/You/We/They turn left here

Yes/No question Do I/you/we/they turn left here?

Does goes before he/she/it for questions in the simple present
statement He/She/It works well

Yes/No question Does he/she/it work well?

Did is used in all persons to form questions in the simple past
statement I/You/He/She/It/We/They arrived late

Yes/No question Did l/you/he/she/it'we/they arrive late?