$5/$ Turn into passive:
$1.$ Thomas has written many books.
$→$ Many books have been written by Thomas.
$2.$ They haven't used these machines for at least 5 years.
$→$ These machines hasn't been used for at least 5 years.
$3.$ Everybody has approved Joana's suggestion.
$→$ Joana's suggestion has been approved.
$4.$ The zookeepers have captured the lion in the forest.
$→$ The liona has been captured in the forest by the zookeepers.
$5.$ Have they delivered the package yet?
$→$ Has the package been delivered yet ?

$+)$ S + have/has + V3 + O.

$→$ S(O) + have/has + been + V3 + by + S.

$-)$ S + have/has + not + V3 + O.

$→$ S(O) + have/has + not + been + V3 + by + S.

$?)$ Have/Has + S + V3 + O ?
$→$ Have/Has + S(O) + been + V3 ?

$#Mei UwU$

`\color{cyan}{\text{@Độ Tộc Real}}`

1, Many books have been written by Thomas.

`2,` These machines haven't been used for a least 5 years.

`3,` Joana's suggestion has been approved.

`4,` The lion has been captured in the forest by the zookeepers.

`5,` Has the package been delivered yet?

`+` Đây là bị động thì hiện tại hoàn thành:

`(+)` S + have/has + been + V3/ed + (O/by O)

`(-)` S + have/has not + been + V3/ed + (O/by O)

`(?)` Have/has + S + been + V3/ed + (O/by O)?

`+` Tân ngữ (O) chỉ thời gian đứng sau by O, tân ngữ chỉ địa điểm đứng trước by O