This document discusses the present perfect tense in English. The present perfect tense is used to refer to actions that happened in the past but are still relevant or connected to the present. It can talk about something that just happened or refer to actions that began in the past and are still ongoing. The present perfect tense has the structure of subject + auxiliary verb + main verb + complement. It can be formed in the affirmative, negative, or interrogative. Common auxiliary verbs used with the present perfect include has/hasn't and have/haven't. Words like just, yet, already and ever are also used with the present perfect tense.

1. Itisusedto Time expressionsPresentPerfect
*Toreferactionsthathappen
in thepast and keep a
relationwithpresent
*
Totalkaboutsomethingthatju
sthappens
*Toreferactionsthatbegin in
thepast and stillcontinue
Estructures
S+Aux+V+C
InterrogativeNegativeAffirmative
He
She
It
I
You
They
We
Has/Hasn’tHave/Haven’t
Auxiliar
Aux+S+ V+C?S+Aux+not+V+C
Just Yet
Already Ever