2. Formation: Affirmative Form
S + have/has + past participle
Example:
I have worked
Fuente: Stefan 1981 en Flickr (CC BY-NC-DN-2.0)
3. Formation: Negative Form
S + have/has + not + past participle
Example:
Susan has not washed
the dishes
NOTE: Has not = hasn’t
Have not = haven’t
4. Formation: Interrogative Forms
Have/Has + S + past participle + ?
A. Yes/No Questions
Example:
Have they moved to a new house?
• Yes, they have
• No, they haven’t
5. Formation: Interrogative Forms
B. Wh- Questions
Wh-word + Have/Has + S + past participle + ?
Example:
Where has she been?
She has been to the supermarket
6. Uses:
• Actions which happened in the past, but the exact time is not
mentioned
«I have already done that»
• Actions which started in the past and continue up to the present
(emphasis on the action)
«Mary has had her dog since September»
• Actions that happened in the past and finished, but the results are
obvious in the present
«Tom has washed his car» (it’s clean)
• For recently completed actions
«We have just finished dinner»
• With adjectives in the superlative form and expressions like the
only/first/second, etc.
«It’s the first time I’ve received an e-mail from Jack»
