Bạn tham khảo:
III.
1. They once started these machines by hand.
→ They used to start these machines by hand.
2. He doesn't get up late anymore.
→ He used to get up late.
3. I don't listen to the radio any more.
→I used to listen to the radio.
4. They don't have a dog any more.
-> They used to have a dog.
5. My brother doesn't serve in the army any longer.
→ My brother used to serve in the army.
1. Barbara is not as keen on travel as she used to be.
→ Barbara used to keen on travel.
2. When he was young, he usually did morning exercise in the park.
→ He used to do morning exercise in the park.
3. The man often spent his holiday in the mountain when he was young.
→ The man used to spend his holiday in the mountain.
4. Before he had the car, he went to work by bike.
→ Before he had the car, he used to go to work by bike.
5. When I was young, I usually get up early.
→ I used to get up early.