1. Paco has already arrived
Present Perfect Tense
Paco
has already arrived
How do you know?

2. FORM: have / has + past participle
Present Perfect Tense
FORM: have / has + past participle
Affirmative: I have been to Sierra Leone before.
Paco has been to Sierra Leone before.
Interrogative: Has he been to Sierra Leone before?
Have you been to South Africa?
Negative: Paco’s friends haven’t been there before.
Paco hasn’t been here before.

3. Present Perfect Tense Uses of the present perfect
Recent events: This tense is frequently used to describe recent events without a definite time. A time expression normally emphasizes recentness: just, recently, lately
Why is Paco so happy?
He has just arrived in Sierra Leone.

4. Present Perfect Tense
Have you ever been to Madrid?
When did you go?