1. Mr. and Mrs. Smith are flying to Hanoi now. (TRAVELLING) .
=>Mr. and Mrs. Smith are travelling to Hanoi by plane now.
2. Van had a motorbike once, but he doesn’t any more. (USED) .
=>Van used to have a motorbike once, but he doesn’t any more.
3. My father usually goes to work by car. (DRIVES) .
=>My father usually drives to work.
4. This part of the city didn’t have traffic jams very often. (USE) .
=>This part of the city didn’t use to have traffic jams very often.
5. I used to walk to school when I was young. (FOOT)
=>I used to go to school on foot when I was young.