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