Аленький ЦветочекUSE 1 Duration Before Something in the Past
1 I had been waiting for over an hour before you came. +
2 He had been working at that company for three months before it closed. +
3 They had been cleaning the windows till rain
started.
4 We had been visiting the language school till we found
ed a tutor.
(find - found - found)5 I had been stay
eding in this hotel for one day before I could get a ticket.
6 He had been traveling
for five days but he couldn’t find the shelter.
8 Somebody had been painting on the wall till
a policeman saw.
+9 You had been keeping the CD before I asked you to return.
+10 A cat had been p
laying with a
n claw before the light was switched off. +
USE 2 Cause of Something in the Past
11 She
had not been visiting did not visit (or, stopped attending) the training because she had no time any more.
(I don't see a need for Past Perfect here.)12 You
had quit
ted the exercises because you
saw had seen no result
s.
13 The protest
had been continued because the negotiations
did not take hadn't taken place.
14 The fire
had been extinguishing was extinguished [Passive form] because firemen
came had come.
(Past Perfect, because it's not a long action.) 15 Somebody
had been was tried to
rapier repair his car for himself because the car station
was had been being closed.
16 I
had been cleaning cleaned the apartment because I
expected had been expecting the
guests.
17 You
had been swimming swam because you wanted to loose your weight.
(No need for using Past Perfect Continuous here, because there's no tense concordance here.)18 People
had been working worked because they wanted to see results.
19
A Scientist
had been developing developed new material because the industry needed it.
20 The girl
had been running ran because she wanted to be in time.