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. |
