26 a) i’ll b) i’d c) i 27 a) won’t b) doesn’t c) wouldn’t 28 a) have b) had c) would have 29 a) will b) would c) – 30 a) wasn’t b) won’t c) wouldn’t a do you know if the new projector has arrived yet? b i’m afraid it hasn’t. if it doesn’t come by tomorrow, call the supplier. a thanks. please tell them i need it urgently by friday. if it arrive by then, i won’t be able to give my presentation. it wouldn’t be a problem if we a spare one, but we haven’t. b don’t worry. this is a very reliable supplier. i’m sure they tell us if there was a problem. a if it was our old supplier, you be so confident.