Past perfect continuous affirmative 7 - tutto inglese - Imparare l'inglese gratis on line

The teacher (explain) the concept to the class for over an hour.
They (shop) for the perfect wedding dress since morning.
She (record) her podcast weekly for two years.
He (care) for the garden while the owners were away.
We (review) the legal documents for several days.
They (climb) the corporate ladder for years.
She (draw) sketches for the new book cover.
I (volunteer) at the local shelter every Saturday.
He (wait) for the bus in the rain for thirty minutes.
We (adapt) to the new software since its installation.