tolong dibanto yaa dengan benar dan tepat

----Jawaban----
1. I am helped by the teacher. (I)
2. I will be helped by the teacher. (I)
3. An article was written by him. (An article)
4. A book is read by Henry. (A book)
5. A new car is bought by Jane. (A new car) 
6. An apple was eaten by me yesterday. (An apple)
7. A cake was made by her. (A cake)
8. A novel is written by us. (A novel)

SEMOGA BERMANFAAT ^_^

@Answers:

Active => Passive

1. I am helped by the teacher.
The subject is 'I'

2. I will be helped by the teacher.
The subject is 'I'

3. An article was written by him.
The subject is 'An article'

4. A book is read by Henry.
Subject is 'A book'

5. A new car is bought by Jane.
Subject is 'A new car'

6. An apple was eaten by me yesterday.
Subject is 'An apple'

7. A cake was made by her.
Subject is 'A cake'

8. A novel is written by us.
Subject is 'A novel'

@Hope it helps you!
@Sorry if I am wrong!