1. A: I (have been calling)
for you for half an hour where (have you been?) And why are your clothes so dirty?
2. (I've been tidying) up the shed in the garden.
3. A: (Have you found a box with old
photos there? (I've been looking) for it for ages
4. B: I haven't discovered) it yet, but I
(haven't been working) l for a long time yet. I (have just come) in to eat something
5.
A: I (haven't cooked) anything yet because I have been talking to our neighbour.