This document summarizes the uses of the present perfect tense in English. It is used to express actions that (1) have finished at an unspecified time in the past, (2) have just finished, (3) have consequences in the present, or (4) began in the past and continue in the present. Examples are provided for each use case along with common time expressions like "for", "since", and adverbs like "already", "yet", and "just". The key point is that the present perfect expresses actions connected to the present and does not specify a finished time.

1. Present Perfect Carmen Torres

2. Structure: have (Simple Present) + past participle

8. Remember TIME Not finished Or Not expressed The action started in the PAST It can be with FOR SINCE FREQUENCY ADVERBS ALREADY YET JUST INDEFINITE ADVERBS