$\text{1.}$ 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