e up until perfect For example, The labourers will have been working on the form for one hour. The labourers will have worked on the farm for one hour. 1. The students will have been studying in the library 2. Henrietta will have been selling tomatoes for a week. 3. Thomas and I will have been playing tennis. 4. They will have been making a lot of noise by then. 5. The dog will have been barking at strangers for some time. 6. Tony and Joel will have been reading in the library for an hour. 7. We will have been praying in the church for just a few minutes. 8. We shall have been staying with my aunt for a decade. 9. David and I will have been washing our school uniform. 10. Emefa will have been explaining the problem to her friends.​