1.i…(see)his picture before i…(visit)the museum. 2.mr jones…(be)a teacher before he…(become)a journalis. 3.tom was late.)everything when ). 4./know)why )it. 5.) why he (ask)the question.a 6.when ) the bike )why )it.a 7.) that ) the door. 8. want)to see the film because he (see)it before.
Had been, became
Were discussing, came
Doesn't know, did
Knew, had asked
Saw, understood, had bought
Remembered, had locked
Doesn't want, had seen