past perfect continuous tense

My grandfather ___ in his old house for ages before he moved in with us.

• had been lived

• has living

• had been living

• has been live

I ___ with my problem for weeks before I found a solution.

• had been cope

• has been cope

• had been coping

• has been coping

___ against the disease for long before she died?

• Had she been fighting

• Has she being fighted

• Had she be fighting

• Had she been fought

They ___ for long before they lost radio contact.

• had not been flew

• has not been flying

• had not been flying

• has not been fly

We ___ in the rain since midday, so we were very wet.

• has been playing

• had been playing

• has been plays

• had been plays

The students ___ for their excursion for months.

• has been preparing

• had been preparing

• has been prepared

• had been prepared

We ___ to find some water for days.

• have been hope

• had been hope

• has been hoping

• had been hoping

The young man ___ since he was a child.

• has be surfed

• had been surfing

• had been surf

• have been surfing

Andrew ___ as an assistant manager before he was promoted.

• working

• have working

• had been worked

• had been working

Your sister ______________ online games all afternoon yesterday. This was why she didn't finish her homework.

• has been playing

• had played

• had been playing