PP or PS: Lou and I ______ (be) friends since we were six – and we always will be.
Lou and I have been friends since we were six – and we always will be.
PP or PS: The first time I saw the Wizard of Oz ______ (be) 50 years ago, but I still remember it very well.
The first time I saw the Wizard of Oz was 50 years ago, but I still remember it very well.
PP or PS: Mum ______ (be) out shopping for five hours now – should we give her a ring?
Mum has been out shopping for five hours now – should we give her a ring?