1 We will have been decorating our house by Friday.
2 By the time my granny retires,she will have been working as a teacher for thirty years.
3 Ben will have been running his own business for seven years by the next month.
4 He will have been building his own house by the end of this year.
5 By 10 o'clock they will have been sleeping for eleven hours.
6 By Christmas Ann will have been working as a model for three years.
7 By the time she arrives in London,she will have been travelling four eight hours.
8 By 4 o"clock I will have been waiting for a bus for two hours.
9 Sam's parents will have been living in the country for twelve years by the time his mother is sixty.
10 By the time I finish school I will have been writing many English exercises.
