Change the following sentences into passive voice( 中文意思也帮忙翻译下吧)
1.you must try the method with great care.
2.They have put off the meeting.
3.How can we do this in a few days?
4.The nurse is looking after the children.
5.Our teacher taught us English songs.
6.He made them work all day long.
7.Can they fulfill the plan in time?
8.We asked our neighbours not to play their recorder so loudly after midnight.
9.They told me you had been to London
10.you are to return these books to the library in two weeks
11.you can't wash this dress;you must dry-clean it.
12.He is going to give a lecture on how to learn English tomorrow
小弟实在英语不怎么样 但是也想努力去学 但是还是苯了点

希望能帮忙过下 Thanks