Tenses and auxiliary verbs
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Transcript of Tenses and auxiliary verbs
Present Tenses
• (+) he-she-it + -s/-es walk/s go/es
• (?) he-she-it ‘does’ Does he work?
I-you-we-they ‘do’ Do they work?
* (-) he-she-it doesn’t He doesn’t work. I-you-we-they don’t They don’t work.
TO BE + -ING
(to be: am, is, are)
e.g. (+) He is working. (-) He isn’t working. (?) Is he working?
have or has + past participle (3)
e.g. (+) He has worked (-) He hasn’t worked (?) Has he worked?
• (+) Regular or irregular verbse.g. He worked yesterday.
• (-) Didn’t + infinitive verb e.g. He didn’t work yesterday.
• (?) Did + infinitive verbe.g. Did he work yesterday?
Be + going to + infinitive
(+) e.g. He is going to work tomorrow.
(-) e.g. He isn’t going to work tomorrow.
(?) e.g. Is he going to work tomorrow?
Long activity in progress when a past event happened
e.g. He was working when his telephone rang.