ex1. complete each sentence with can / could / be able to { not } 1. _______________ you swim when you were 10 ? 2. we ________ get to the meeting on the ttime yesterday because the train was delayed by one hour 3. he __________ arrive at the party on the time even after misting the train , so he was very pleased 4. he's amezing , he _____________ speak 5 langusges including chinese 5. I _____________ drive a car until I was 34 , then I moved to the countryside so I had to learn 6. I looked everywhere for my glasses but I _______________ find them anywhere 7. I searched for your house for ages , luckily I ____________ find it in the end ex2. complete each sentence with can / could / be able to { not } 1. I ____________________ understand the chapter we had to read for homework . It was so diffcult 2. I ______________ lift this box - it's too heavy . would you help me ? 3. lucy _____________ make it to our meeting after all. she's stuck in traffic at the moment 4. john ________________ play tennis really well . he's champion of his club 5. unfortunately , I really ___________sting at all . no - one in my family is musical either 6. when the car broke down I was really pleased because I _________ solve the problem 7. julian _____________ play excellent goft when he was only ten