Jawaban:

1. Louise makes the chocolate cake.

The chocolate cake is made by Louise

2. My parents bought a house last year.

The house was bought by my parents last year.

3. The dogs are eating their food.

The food is being eaten by the dogs.

4. Sarah was following singing festival last week.

Singing festival was being followed by Sarah last week.

5. My brother and his friend have played football.

Football had been played by my brother and his friend.

6. Diana will buy a new laptop next month.

A new laptop will be bought by Diana next month.

7. My sister is going to wash the plates in the kitchen.

The plates are going to be washed by my sister in the kitchen.

8. I had worn my new dress.

My new dress had been worn by me.

9. My mother was driving her car.

The car was being driven by my mother.

10. We ate pizza yesterday.​

Pizza was eaten by us yesterday.

Penjelasan:

    TENSES                      ACTIVE VOICE                    PASSIVE VOICE

simple present           verb-1                         am/is/are + verb-3

present continuous   am/is/are + -ing         am/is/are + being +verb-3

present perfect               have/has + verb-3         have/has + been + verb-3

simple past                   verb-2                         was/were + verb-3

past continuous           was/were + -ing        was/were + being + verb-3

past perfect                   had + verb-3                had + been + verb-3

simple future             will +V1                        will + be + verb-3

                                       am/is/are going to + V1 am/is/are going to + be + verb-3

future perfect          will + have + verb-3       will + have + been + verb-3