1) i (to read) all evening yesterday (what? when? ) 2) we (to work) in the garden all sunday (when? where? ) 3) i (to prepare) a report when you called (what? )

1) What were you doing all evening yesterday?
     When were you reading?
2) When were you working in the garden?
     Where were you working all Sunday?
3) What were you doing when I called?