Jill ............. Dad at work before she ............ for her trip.

• had phoned/left
• had phoned/had left
• has phoned/left

They ..........(ride) their bikes before they met their friends.

• had ridden

• Had ridden

• had ridden.

• Had ridden.

Past Perfect Tense: โครงสร้างคือ ประธาน + had + กริยาช่อง 3 (Past Participle)

When I (get) to the station, the train (leave).

• got/had left
• had got/had left
• had got/ left