1. I (have) have had this bike since I was a teenager and I still use it
2. The weather (be) has been quite good since Christmas
3. I (study) have studyed very hard for this examination.
4. He (play) has played for the football club for several years, but it’s time to leave it now
5. Mike and his brother (learn) have learn English for three years.
6. Mr. Brown (play) has played chess at eight o’clock
7. It (not rain) hasn't rained since last week
8. We (not see) haven't seen our new teacher yet.
9. My aunt (work) has worked in this hospital for eleven years.
10. She (see) has seen the film before