Present Perfect

I/you/we/they+HAVE/HAVEN'T + V3

He/She/It+HAS/HASN'T+V3

Example:

I have done this exercise.

She hasn't arranged a party yet.

Present Perfect Continuous

I/you/we/they+HAVE/HAVEN'T BEEN + V+ing

He/She/It+HAS/HASN'T BEEN + V+ing

Example:

I have been cleaning the flat since early morning.

The baby has been crying all night long.

For — a period of time

Example: We have lived here for 10 years now.

Since — a point in time (in the past), until now.

Example: I have been working here since 7 o'clock.

1. I haven't been have not been to a music festival for since last summer.
2. Bruno Mars hasn't given has not given any concerts in Europe for since 2019.
3. James has been listening 's been listening to Nirvana for since almost six years now.
4. It has been 's been three months for since I started making my own music.
5. They haven't taken have not taken part in a school musical for since their music teacher left the job.
6. Kevin has been collecting 's been collecting Metallica's albums for since he was a child.