$\text{1.}$ I was given a beautiful hair band by Sara yesterday.
OR A beautiful hair band was given to me by Sara yesterday.
$\text{→}$ Thì QKD: S + was/ were + PP + (to sb) + (by)
$\text{2.}$ He has just been bought a new baseball cap by his dad.
OR A new baseball cap has just been bought by his dad.
$\text{→}$ Thì HTHT: S + have/ has + been + PP + (to sb) + (by)
$\text{3.}$ She was offered a very good job by my company.
OR A very good job was offered to her by my company.
$\text{→}$ Thì QKD
$\text{4.}$ You was sent a postcard of New York this morning.
OR A postcard of New York was sent to you this morning.
$\text{→}$ Thì QKD
$\text{5.}$ His old laptop will be sold to me by Jack.
$\text{→}$ Thì TLD: S + will be + PP + (to sb) + (by)
$\text{6.}$ Some spaghetti is being made for her by her mom.
$\text{→}$ Thì HTTD: S + is/ are/ am + being + PP + (to sb) + (by)
$\text{7.}$ His wife will be told the truth by him.
OR The truth will be told to his wife by him.
$\text{→}$ Thì TLD
$\text{8.}$ I am paid 5 thousand dollars every month.
OR 5 thounsand dollars are paid to me every month.
$\text{→}$ Thì HTD