Напишите в страдательном залоге: 1)the teacher explained the rules to the students . 2) somre often children attend private school. 3) helen will learn some extra subjects next year. 4)the police phoned to terry's dad. 5)students usually arrange the party.

1) the rules to the students were .explained by the teacher 
2)  private school is often attended by some  children
3)  some extra subjects will br learnt by Helen  next year.
4)  Terry's dad.was phoned by the police
5)  the party.is usually arranged by students