presentacion

1. Present Perfect
Angie Marcela Barreto
Nicolás Daza
Anderson Suarez 

2. I, you, we, they
Auxiliary
Have
She, he, it Has
+ -
Haven’t
Hasn’t

3. Estructure
Afirmative:
Subjet+ auxiliary verb (has or have) + past participle
Negative:
Subjet+ auxiliary verb (hasn’t or haven’t) + past participle
Interrogative:
Auxiliary verb (has or have) + subjet+ past participle +

4. Uses:
the perfect present for actions that occurred in a specific
time not used before now
Examples:
• +She has gone to work
-She hasn’t gone to work
?Has she gone to
• +We have been to London.
-We haven’t been to London
?Have we been to London