Заранее большое! Write the verb in brackets in the present perfect continuous form where possible. Three verbs are state verbs so write them in the present perfect simple. Use contractions if possible.

1. I (work) here since 1999.
2. We (know) each other for 3 years.
3. They (not/ live) here for long.
4. I (learn) the guitar since I was a child.
5. You (never/like) ice cream, have you?
6. We (study) IT for a year.