Сделать пассивный . make passive voice 1)they water these plants three times a week. 2)suren looked for the book every where. 3)they will choose her as the best actress of the year. 4)my best friend asks me to buy this dictionary. help

1) These plants are watered dy them three times a week
2) The book was looked for dy susen every where. 
3) She wil be chosen as the best actress of the year dy them
4) I am asked by my best friend about buying this book