Present Perfect

Present Perfect
FORM
[has/have + past participle]

Examples:

-You have seen that movie many times.
- Have you seen that movie many times?
- You have not seen that movie many times.

*We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important. You can not use the Present Perfect with specific time expressions such as: yesterday, one year ago, last week, when I was a child, when I lived in Paris, at that moment, that day, one day, etc. We can use the Present Perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc.