While I _________ (walk) to school, I saw an old friend.
had walked
walked
was walking
He _________ (work) there for five years before he quit.
had worked
was working
worked
When he entered the room, everyone _________ (talk).
had talked
talked
was talking
Before we moved here, we _________ (live) in London.
lived
had lived
were living
She was really tired because she _________ (study) all night.
had studied
was studying
studied
We _________ (have) dinner when the lights went out.
were having
had
had had
The teacher _________ (explain) the lesson and then gave us some exercises.
explained
was explaining
had explained
I _________ (finish) my homework before my mom got home.
was finishing
finished
had finished
They _________ (never/be) to Paris before their honeymoon.
were never
had never been
never were
I _________ (read) when my phone rang.
was reading
read
had read
By the time she called, I _________ (already/go) to bed.
had already gone
was already going
already went
I _________ (see) that movie before, so I didn’t want to watch it again.
saw
was seeing
had seen
They _________ (leave) before we arrived.
left
had left
were leaving
By the time we arrived, the movie _________ (start).
had started
was starting
started
He _________ (forget) his umbrella at home this morning.
forgot
had forgotten
was forgetting
She _________ (finish) her homework and then watched TV.
had finished
finished
was finishing
They _________ (buy) a new car last weekend.
had bought
were buying
bought
We were tired because we _________ (walk) all day.
had walked
walked
were walking
I _________ (lose) my keys yesterday and couldn't get into my house.
had lost
lost
was losing
While they _________ (play) football, it started to rain.
played
were playing
had played
He fell asleep while he _________ (watch) TV.
watched
was watching
had watched
We _________ (arrive) at the airport two hours ago.
had arrived
were arriving
arrived
She _________ (already/eat) dinner before we invited her.
already ate
had already eaten
was already eating
She _________ (wait) for an hour before the bus came.
was waiting
waited
had waited
We _________ (have) dinner at a nice restaurant last night.
were having
had had
had