4. He (read) .... this article for 3 hours but he (not/finish)... yet
5. We (not/get on with) ... my brother since we were 15
6. It (to be) ... cold recently. You'd better dress warm
7. How long you (wait for) ... me in here? For about 20 minutes
8. I (not/see) ... John for 3 years
9. How many books (you/collect) ... since you were at school?
10. He (work) ... for this company for 20 years
11. She (teach) ... Maths since graduation
12.I (like) ... watching comedy films since childhood
13. She (hate) ... walking alone in the park since she was mugged