III. Supply the correct passive form of the verbs in brackets.

1. was built

=> Bị động thì quá khứ đơn

=> S+was/were+V3/ed+ByO

2. were erected

=> Bị động thì quá khứ đơn

=> S+was/were+V3/ed+ByO

3. is surrounded

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

4. is considered

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

5. is located

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

6. was discovered

=> Bị động thì quá khứ đơn

=> S+was/were+V3/ed+ByO

7. is visited

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

8. was built

=> Bị động thì quá khứ đơn

=> S+was/were+V3/ed+ByO

9. is located

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

10. are sold

=> Bị động thì hiện tại đơn

=> S+am/is/are+V3/ed+ByO

1. One-pillar pagoda (build) was built in winter of 1049.( s+ was/were+v3/ed)

2.The Doctors’ stone tablets (erect) is erected by King Le Thanh Tong.(S+ is/am/are+ v3/ed)

3.My house (surround)is surrounded by many trees and flowers.(S+ is/am/are+ v3/ed)

4.Ha Long Bay (consider)was considered as a world heritage.( s+ was/were+v3/ed)

5.Great Wall (locate)was located in China.( s+ was/were+v3/ed)

6.South America (discover)was discovered by Cristoforo Colombo.( s+ was/were+v3/ed)

7.Huong Pagoda (visit)is visited by thousands of tourists every year.(S+ is/am/are+ v3/ed)

8.The Imperial Academy- the first university in Viet Nam (build) was built in 1076 under Emperor Ly Nhan Tong.( s+ was/were+v3/ed)

9.Hue Imperial City (locate)is located in Hue city in centre of Viet Nam.(S+ is/am/are+ v3/ed)

10.Many souvenirs (sell)is sold every year.(S+ is/am/are+ v3/ed)