Self- assessment
The Present Perfect Simple: Form and Use
FORM:
Affirmative: You have seen the movie last night.
Negative: You have not seen the movie last night.
Interrogative: Have you seen the movie last night?
USE:
- when we are no longer interested in the time when the past action took place, but in its result into the present.
- when the past action continues in the present and, perhaps, it will go on into the future, too.
- to express completed activities in the immediate past. The verb is generally accompanied by: just, lately, recently, so far, up to now, the last few days.
- with words denoting incomplete period of time: today, this week, this month, this year, all day.