1 I used to earn enough money, but then I lost my job. 2 Bob didn't used to like football, but then he changed his mind. 3 My mum used to drive a lot before she had that accident. 4 This telephone used to work well before my son dropped it. 5 Mary used to work in a hotel, but then she got married. 6 He used to play basketball before he broke his leg.
Present simple: I'm busy now. present continuous: I'm listening to the radio at the moment. past simple: I was busy yesterday. I listened to the radio yesterday. future simple: I'll be busy next week. I'll listen to the radio tomorrow.