Read the theory box. Fill in each gap with are, was, being (x2), be (x2) or been. (Đọc hộp lý thuyết. Điền vào mỗi khoảng trống với are, was, being (x2), be (x2) hoặc been.)

Active voice	Passive voice
Present Simple
He builds robots.	Robots 1) _________ built.
Present Continuous
He is building a robot now.	A robot is 2) _________ built now.
Past Simple
He built a robot last month.	A robot 3) _________ built last month.
Past Continuous
He was building a robot when I met him.	A robot was 4) _________ built when I met him.
Present Perfect
He has built a robot.	A robot has 5) _________ built.
Future Simple
He will build a robot.	A robot will 6) _________ built.
Modals
He couldn’t build a robot.	A robot couldn’t 7) _________ built.

Choose the correct passive sentence. (Chọn câu bị động đúng.)

1. They will update the software in July.

a. The software will be updated in July.

b. The software will update in July.

2. We posted the test results to you last Wednesday.

a. The test results posted to you last Wednesday.

b. The test results were posted to you last Wednesday.

3. People have downloaded the language app over 250,000 times.

a. The language app has downloaded over 250,000 times.

b. The language app has been downloaded over 250,000 times.

4. You can do the course online.

a. The course can be done online.

b. The course can do online.

5. Kevin was doing a science experiment yesterday noon.

a. The science experiment was doing by Kevin yesterday noon.

b. A science experiment was being done by Kevin yesterday noon.

3. You can’t enter the computer lab without permission. (CAN’T)

The computer lab __________________________________ without permission.

Complete the sentences in the passive. Use the words in bold. (Hoàn thành các câu ở thể bị động. Sử dụng các từ in đậm.)

1. They make tablets with plastic, glass and metal. (MADE)

Tablets __________________________________ plastic, glass and metal.

3. Students shouldn’t carry their phones in their pockets.

Phones ______________________________________________ .

2. You can attend online classes any time.

Online classes ______________________________________ .

Put the verbs in brackets into the correct passive form. (Đặt các động từ trong ngoặc ở dạng bị động đúng.)

1. A: Is that e-book interesting?

B: Yes. It ___________________ (write) by the instructor of my online course two years ago.