They_______________(start) their business by 2002.
had started
I called his office but he_____________(already/ go) home.
had already gone
When the police ________(come), the thief __________ (run) away.
came / had run
He couldn't make a sandwich because he___________ (forget) to buy bread.
had forgetten
I___________(never/see) anyone from California before I _________(meet) Jim.
had never seen / met
We __________(not/ prepare)at all before we_______(take) that test.
hadn't prepared / took
I _____ (lose) so much weight because I _________ (begin) exercising.
lost / had begun
I________________ (write) some exercises before he came.
had written
I__________ (wash)the floor after the painter _________(go).
washed / had gone
I ________(meet) him before you__________(introduce) us.
had met / introduced
She _________________(go) to the coffee shop before she _____ (come) home.
had gone / came
I _____ (practice) the songs before the program ____________(start).
had practiced / started
I _________(help)him to do the task after I___________ (finish)my work.
helped / had finished