Ejercicios del Presente Perfecto Continuo en Inglés
Completa las siguientes oraciones
We have been working two hours (since/when/for)you told us to start.
I have been walking (for/since/when) one hour.
(Since/when/till) they have known the good news, they are feeling fine.
I .........talking for hours.
He .....listening to the new record
We .......smoking all the night.