write the verbs in backets in the Past simple or the Past perfect.
1.I(just,clean).....have just cleaned.........the carpet,the dog(come)...came......in and (shake).......shaked........himself.
2.When she (arrive)..........arrived.............at the class,Mike(sweep).........has swept........the class for her already.
3.Nobody(come).....has come.......to the meeting because the secretary(forget).........forgot.............to tell the staff about it.
4.Because he(not,check).......hasn't checked...........the oil for so long,the car (break)....broke.........down.
5.She couldn't find the book that I (lend)......lent........her.
6.They(never,find)........has never found..........where he(hide)...........hid................the money.
7.When she (come)........came..............in,we all knew where she(be)..........has been....................
8.The lesson(already,start).........has already started.............when I (arrive)........arrived............