1. KEY POINT ∥ 의문문의 수동태 의문문의 수동태 1. 의문사가 없는 의문문의 수동태 Did you invent the machine? → 평서문 You invented the machine. → 수동태 The machine was invented by you. → 의문문 Was the machine invented by you?

2. KEY POINT ∥ 의문문의 수동태 의문문의 수동태 1. 의문사가 있는 의문문의 수동태 Who watered the flowers? → 평서문 Who watered the flowers. → 수동태 The flowers were watered by whom. → 의문문 By whom were the flowers watered?

3. 2. Have you fed the chickens yet? 3. Did she buy the jeweled ring? 1. Do people speak English all over the world? ※ 다음 문장을 수동태로 고치시오. → Is English spoken all over the world (by people)? → Have the chickens been fed yet? → Was the jeweled ring bought by her?

4. 5. Did you dismiss him? 6. How do you spell the word? 4. Did he save the boy? ※ 다음 문장을 수동태로 고치시오. → Was the boy saved by him? → Was he dismissed by you? → How is the word spelt?

5. 8. Must you type the report? 9. What do you call this tree? 7. Where did you find the bunch of keys? ※ 다음 문장을 수동태로 고치시오. → Where was the bunch of keys found? → Must the report be typed? → What is this tree called?

6. 11. Who solved the quadratic equation? 12. What event did you attend yesterday? 10. Whom did he give his newly-published book? ※ 다음 문장을 수동태로 고치시오. → (To) Whom was his newly-published book given by him? → By whom was the quadratic equation solved? → What event was attended yesterday (by you)? → Who was given his newly-published book by him?