38. People have been attracted a lot by the color television since its appearance
39. The Statue of Liberty was presented to America by the French in 1886.
40. We are being taught English by Miss Hong this year
41. Dinner was being cooked by her mother when the postman came
42. a new museum had been just opened in our city before 1999
43. The workers are treated by the employers badly
44. This iPhone needs to be unlocked before you use it
45. The ballpoint pen was invented by Biro and his brother in 1935
II. Chuyển đổi câu chủ động sang bị động trong thì tiếng Anh (Tense)
Hiện tại đơn: S + am/is/are + P2
Hiện tại tiếp diễn: S + am/is/are + being + P2
Hiện tại hoàn thành: S + have/has + been + P2
Quá khứ đơn: S + was/were + P2
Quá khứ tiếp diễn: S + was/were + being + P2
Tương lai đơn: S + will + be + P2
Tương lai hoàn thành: S + will + have + been + P2
Tương lai gần: S + am/is/are going to + be + P2