Model Sentence (1) We've been (2) waiting (3) for over three hours!
1. I've been studying English most of my life.
2. I've been living in New York since I was 10 years old.
3. I've been worrying about tests for too long!
4. She's been studying science since her first day in school.
5. We've been eating in that restaurant since we came to this city.
Model Sentence (1) I've been (2) worried about you (3) for a long time.
1. I've been sick for the past week.
2. We've been awake since 8 o'clock.
3. He's been busy all month.
4. They've been crazy about tennis for the past year.
5. She's been interested in science since she was six years old.
