Ex2:

$\text{1.}$ Money is collected by John.

$\text{→}$ Thì HTD: S + is/ are/ am + PP + (by)

$\text{2.}$ The window was opened by Anna.

$\text{→}$ Thì QKD: S + was/ were + PP + (by)

$\text{3.}$ Our homework has been done.

$\text{→}$ Thì HTHT: S + have/ has + been + PP + (by)

$\text{4.}$ A question will be asked.

$\text{→}$ Thì TLD: S + will be + PP + (by)

$\text{5.}$ The picture can be cut out.

$\text{→}$ Với Modal Vs: S + Modal Vs + be + PP + (by)

$\text{6.}$ A lot of grass was eaten by the sheep.

$\text{→}$ Thì QKD

$\text{7.}$ Our rooms aren't cleaned.

$\text{→}$ Thì HTD

$\text{8.}$ The car won't be repaired by William.

$\text{→}$ Thì TLD

$\text{9.}$ Was this circle drawn by Sue?

$\text{→}$ Thì QKD

$\text{10.}$ Could the dog be fed?

$\text{→}$ Với Modal Vs