Jawaban:

1. Some novels were bought by Sandra yesterday.

2. An advice is given by mother everyday.

3. A test is being prepared by us right now.

4. The museum has been visited by them twice.

5. Their bicycles are parked by them in school yard.

6. The result of the competition will be announced by the teacher tomorrow.

7. Your money can be saved in Bank.

8. The bridge was built by the government in 2001.

9. Some magazines are put on the table by Siti every morning.

10. A beautiful song can be sung by my little brother.

11. The thief was caught by the policeman last week.

Penjelasan:

Based on these rules below:

Simple Present

Active

S + V1 (s/es) + O

Passive

S + is/am/are + V3 + by O

Simple Past

Active

S + V2 + O

Passive

S + was/were + V3 + by O

Simple Future

Active

S + will + V1 + O

Passive

S + will be + V3 + by O

Can(modals)

Active

S + can + V1 + O

Passive

S + can be + V3 + by O

Present perfect

Active

S + have/has + V3 + O

Passive

S+ have/has + been + V3 + by O

Present continuous

Active

S + is/am/are + V-ing + O

Passive

S + is/am/are + being + V3 + by O

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