He has been to Beijing since 2007.
I have lived in here since last month.
I have been interested in English since I was 7 years old.
He has read a lot of book since he was young.
They have written many books since they were in high school.
The film has been on for 15 minutes.
He has played the computer games for servral hours.
I have been diong my homework for 2 hours.
She has been crying for half an hour.
We have been here for a week.