1.Bod took that book from te desk
=> That book was taken from the desk by Bob
2.M.r Jonh manages the export division
=> The export division is managed by Mr John
3.Jonh retune the money last night
=>The money was returned last night
4.They sarted a dancing class last week
=>A dancing class was started last week
5.M.r Smith saw the accident
=>The accident was seen by Mr.smith
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