英语句子主动句变被动句~

英语句子主动句变被动句~
1.The woman asked the policeman for help.
2.The old man on TV tells a story on Sunday.
3.Do they use the box as a table?
4.She sent me a collection last week.
5.The teacher doesn’t teach us math this term.
6.Did Lily buy her sister a hat?
7.We often hear him play the violin at home.
8.The lazy boy didn’t wash clothes yesterday.
9.Students listen to the kind teacher carefully.
10.When did your father took you to the park.

the policeman was asked for help by the woman.
a story is told by the old man on TV on Sunday.
is the box used as a table by them?
a collection was sent to me by her last week.
math is not taught to us by the teacher this term.
a hat was bought to her sister by Lily.
he is often heard to play the violin at home by us.
clothes was not washed by the lazy boy yesterday.
the kind teacher is listened to by students carefully.
when are you taken to the park by your father?