By the time she arrived, he __________ (leave) the office.

They __________ for hours when the bus finally came.

• had waited

• had been waiting

• were waiting

• wait

Write a sentence using the past perfect tense and the verb purchase.

He had been __________ (wrestle) before he hurt his shoulder.

She __________ (realize) her mistake before the teacher called her.

A: Why were you wet? B: Because I __________ (water) the plants.

What is the past perfect form of go?

He was tired because he __________ (perform) all morning.

• had performed

• has performed

• had been performing

• performs

Before they __________ (fly) the kite, they had checked the weather.

Write a sentence using forget in the past perfect.