b. The flight had been delayed because there was a storm.
c.By the tine he had left he drank 2 coffees.
d.When the plane had taken off he already turned of his mobile phone.
e.My friend had already arrived at the airport by the time he landed
f.We had left the airport one hour later because my luggage got lost.
g.The party had begun by the time we got to the hotel.
