The Present Perfect Simple
Signalwords: already, just, yet, ever, never, so far, since + for, "How many?"
How to build the Present Perfect Simple: have/has + 3. form of the verb
When do you use the Present Perfect Simple:
Examples: Our High School football team has never lost a game.
I haven´t been to Miami so far.
Have you been to Los Angeles already?
The Present Perfect Progressive
Signalwords: all day, for 4 years, since 1993, "How long?"
How to build the Present Perfect Progressive: have/has, been, 1. form of the verb + ing - form
When do you use the Present Perfect Progressive:
Examples: He has been eating at In-N-Out all day long.
I haven´t been seeing my host family for a long time.
Have you been traveling around the US for 1 year?