Present perfect

1. Did you haveHave you had a holiday recently? (have)

2. I have earnedearned much last year, but I earnedhave earned a lot this year. (earn)

3. We (know) each other for five years.

4. She never us since last July. (visit)

5. Look, my new house is almost finished.
It's so big! How long have you workeddid you work on it since you started (work)?