Задание на фото. Тема: Present Perfect Continuos

1. We have been building this house since 1994
2. Where are you? I have been waiting for you for an hour already.
3. He has been working hard since 4 o’clock.
4. Kate has been washing the floor for twenty minutes already.
5. How long have you been learning the French language?
6. The children have been playing football since 3 o’clock but they are not tired.
7. I haven’t been eating at night for 2 years.
8. Can you see my glasses? I have been looking for them for 10 minutes but I haven’t found them yet.

Формула для Present Perfect Continuous: have/has been + ING.