1. I first started to play the guitar when I was 16 (since)
- I have …… been playing the guitar since … I was 16
2. This is their first visit to the Greek island. (never)
- They … have never visited …… the Greek island before .
3. This is not our first time at a rock concert. (already)
- We … have already been…… to a rock concert.
4. She arrived a few minutes ago. (Just )
- She … have just…… arrived.
5. He came to live here two years ago. (For )
- He … has been coming to live here for…… two years.
6. She hasn't phoned her mother yet. (still)
- She …still has not phoned…… her mother.
7. I started this letter a week ago. (writing)
- I ……have been writing… this letter for a week.
8. The snow started this morning and it is still snow. (been)
- It ……has been snowing … since this morning.