Inductive Grammar
The past perfect continuous indicates that two actions____.
a. happened in the past
b. continue in the present
a. happened in the past
(how long / you / drive) that car before you gave it to your son?
How long had you been driving that car before you gave it to your son?
We had been waiting / have been waiting in the dark for two hours when the power finally came back on.
had been waiting
We use the ____ to show that an activity started in the past and continued until another point in the past.
a. simple past
b. past perfect continuous
b. past perfect continuous
(where / she / study) before she moved to Europe?
Where had she been studying before she moved to Europe?
I had wanted / had been wanting to study computer science, but now I don’t anymore.
had wanted
A sentence with the past perfect continuous often contains another verb in the ___.
a. simple past
b. past continuous
a. simple past
(which team / they / compete against) when they won the gold medal?
Which team had they been competing against when they won the gold medal?
I had been trying / have been trying to fix this for computer for days, but it still won’t work.
have been trying
The past perfect continuous is formed with had been + ____.
a. base form of the verb
b. present participle
b. present participle
(who / your parents / travel with) at the time they cancelled the flight?
Who had your parents been travelling with at the time they cancelled the flight?
I had been working / worked on my presentation when an error message suddenly appeared.
had been working