Practice the English past perfect continuous tense

Good luck!

Fill in the correct form of the English past perfect continuous. 
Remember: past perfect continuous = 'had been' + present participle (infinitive + '-ing')

Example:

  • We ... each other letters since 2004. 
  • We had been writing each other letters since 2004. 

They for an hour, before she arrived. (to wait)

She was late because she from the train station to her home. (to walk)

I failed the exam, because I not in the exam period. (to study)

We our friend for over an hour, before he answered. (to call)

you in the pool before he arrived? (to swim)

My mother all morning before our guests arrived. (to cook)

they for drinks before you gave it to them? (to ask)

You   before he arrived. (to cry) 

We took the bus often, because we not to school. (to cycle) 

He his trip to Mallorca since 2015. (to plan)