Make up the sentences using the past perfect. my mother/ think/ about/it. our family/build/ our/ own house. the brother/ buy/already/a new car. the children/wash/their clothes. this man/work/ in the office/ for many years.

My mother had thought about it
Our family had built our own house
The brother had already bought a new car
The children had washed their clothes
This man had worked in the office for many years