$16.$ Blue shoes are worn.
$17.$ You aren't helped.
$18.$ The book isn't opened.
$19.$ The letter isn't written.
$20.$ Is you picked up by your mom?
$21.$ Is the thief catched by the police officer?
$22.$ Fresh water is wasted too much every day.
$23.$ English is spoken all over the world.
$24.$ Their rooms are cleaned regularly.
$25.$ Rice is grown for a living here.
$26.$ Nam's homework is done every day.
$27.$ Dinner isn'r cooked by Lan very often.
$28.$ Clothes are usually washed for my family by my mother.
$29.$ The flowers aren't watered by John regularly.
$30.$ What's watched on TV by Nam every day?
$31.$ Is your homework often done by you?
Câu bị động thì hiện tại đơn: is/am/are + P2
* Trạng từ chỉ nơi chốn + by O + trạng từ chỉ thời gian
$@Ly$