2. were you doing 3. Did you go 4. was wearing 5. were you driving, happened 6. was taking, wasn't looking 7. didn't know 8. saw, was trying 9. was walking, heard, was following, started 10. wanted

1. were you doing, was trying
2. had found, went immediately, turned
3. said, was, needed
4. arrived, wasn't, was studying at the library
5. was also watching
6. called, weren't, was working
7. walked, was talking, were busily working, were quietly discussing
8. was watching