VI
1.The policeman asked them where they were going.
2.The windows were painted by my father yesterday.
3.Mr Thanh has begun to work in that factory for ten years.
4.If you do exercise , you will be fit and healthy.
VII
1.The man asked how long it took to get to the zoo.
2.Mary wishes she would be able to attend your wedding your next week,
3.I haven't written to my pen pal for some months.