Expressing certainty and uncertainty #2
Exercise 1: put “mightn’t” and “couldn’t” (both are correct) Example: I’ve got one or two things to do, so I mightn’t have time to come out tonight. David ……………………………….work as a taxi driver. He can’t drive. Mark ………………………………………be in the office tomorrow. He thinks he’s getting a cold/flu. We ……………………………………………………. possibly have a dog, living …