1.Peter and hs brother(learn)..........HAVE LAERNED............english for thr years.
2. Mr.Green(play)..............HAS PLAYED..................chess since eight o'clock
3.It(not rain).........HAS NOT RAINED...........since last week.
4.We(not see).................HAVEN'T SEEN...................our new teacher yet
5.I(study)...............HAVE STUDIED..............very hard fr this examination.
6.My uncle(work)............HAS WORKED........in this factory for ten years.
7.She (see)............HASN'T SEEN....................this film before
8.The weather(be) .................HAS BEEN............. quite good since Chritmas.
9.I(have)..................HAVE HAD................this bike since I was a teenager,and I still use it .
10.He(play)................HAS PLAYED...............for the football club for several years,but it's tim to leave it now.