Choisir entre For et Since Exercice fondamental

John has been living here forsince five years.

I stayed in that bus forsince seven hours.

We have been going to that place every summer forsince I was eight.

It has been snowing forsince ten in the morning.

She has been sitting there sincefor two hours now.

You haven't been saying a word sincefor you opened that letter.

We will be in the city sincefor a couple of days.

Justin has been living in New York forsince ten months.

We have been waiting for you sincefor forty-five minutes.

They have been studying in there sincefor the library opened.