If I ______ you, I would study harder.
By next year, she ______ her university degree.
They ______ for three hours when it started to rain.
I usually ______ coffee, but today I am drinking tea.
She _____ her keys and now she can't get into her house.
I _____ TV when the phone rang.
He _____ English for five years before he moved to London.
The train _____ by the time we arrive at the station.
Water _____ at 100 degrees Celsius.
She ______ to Paris twice.