1. David used to be good at swimming when he was young, but he doesn't
swim these days.
2. My parents used to travel a lot when they were younger, but they prefer to stay at home now.
3. My cousin went skiing every weekend ten years ago and he skis
these days too.
4. Mr Evans did a lot of horse-riding when he was a student and he still does it.
5. I used to have a lot of problems with my bike, but I've bought a new
bicycle and have no problems now.
6. We have stopped climbing mountains. Some time ago we often used to do
mountaineering
7. Jane never used to play ping-pong at university, but now she often plays it
Объяснение:
Конструкция used to используется для выражения действий, часто происходивших и повторявшихся в , однако сейчас они не происходят совсем.