Past tenses

I ... for this dress for months before my friend finally ... it in one of the shop windows.

• had been looking,

  saw

• was looking,

  saw

• looked,

  was seeing

• had been looking,

  had seen

How long ... French before he went to Paris?

• had he learned

• had he been learning

• did he learn

• was he learning

When I arrived at the exhibition, Jane ... the tickets.

• had already bought

• had already been buying

• was already buying

• already bought

She was really angry because she ... for more than half an hour when I arrived.

• waited

• was waiting

• had waited

• had been waiting

They were very tired in the evening because they ... all day.

• had been tidying up

• had tidied up

• were tidying up

• tidied up

I ... for 10 hours when the phone call ... me up.

• slept,

  had woken

• was sleeping,

  was waking

• had been sleeping,

  woke

• had slept,

  woke

I was very tired because I ... hard.

• worked

• was working

• had worked

• had been working

We ... each other for 10 years before that flight.

• didn't see

• hadn't seen

• hadn't been seeing

• weren't seeing

He ... her for 25 years before they ... contact in 2010.

• had known,

  lost

• knew,

  had lost

• had been knowing,

  lost

• had known,

  had lost

They ... at the bus stop for 40 minutes when the bus finally ...

• were waiting,

  arrived

• had been waiting,

  arrived

• were waiting,

  had arrived

• waited,

  had arrived