mohon bantuanya, poin lumayan;-)

1. my book is borrowed (by her).
2. English task is being done by the students.
3. delicious cakes were cooked by my mother yesterday.
4. a letter was being written by john.
5. some skirts will be bought (by me) tomorrow.
6. english has been studied (by us) for four years.
7. my mother had been phoned by my father for twenty minutes.

1. My book is borrowed by her.
2. English task is being done by the students.
3. Delicious cakes were cooked by my mother yesterday.
4. A letter was being written by John.
5. Some skirts will be bought by me tomorrow.
6. English has been studied by us for four years.
7. My mother had been phoned by my father for twenty minutes.