1. She has finished the report recently.
The report has been finished by her recently
2. Tom will send this letter tomorrow .
This letter will be sent tomorrow by Tom
3. My mother gave me a new doll on my birthday.
A new doll was given to me on my birthday by my mother
`1.` She has finished the report recently.
`->` The report has been finished recently.
`2.` Tom will send this letter tomorrow .
`->` This letter will be sent by Tom tomorrow.
`3.` My mother gave me a new doll on my birthday.
`->` A new doll was given by mother on my birthday.