Đây ạ

Xin câu trả lời hay nhất ạ

23. I have just bought a dictionary.

→ A dictionary have been just bought

S + have/has + been + VpII + by O

24. Students can do the test easily.

→ The test  can be done easily by Students

S + can be + VpII + by O

25. Mr. John hasn’t taught that course since 1985.

→ That course hasn’t been taught  since 1985 by Mr.John

S + have/has +(not) +  been + VpII + by O

26. People believe that the thieves got in through the kitchen window.

=> It is belived that the thieves got in through the kitchen window.

=> The thieves are believed to have gotten in through the kitchen window.

27. It is said that she works 16 hours a day.

→ She is said to work 16 hours a day

→ People say that she works 16 hours a day.

Câu 26 + 27 : 

Active : S1 + say/think/believe + that + S2 + V2 

Passive : C1 : It + tobe + said/thought/believed + that + S2 + V2

C2 : S2 + (tobe) + thought/said/believed + to V (nếu V2 cùng thì với say/think/believe hoặc đây là thì tương lai đơn)