Công thức passive voice (say, belive, understand, known, think và nhưng (v) tương tự trong câu tường thuật để tránh dùng các (n) hay đại từ danh xưng people, they)
S1 + V1+ that + Clause (S2 + V2 + O)
Công thức 1 : → It + be + V(3/ed) + that + Clause (S + V + O)
Công thức 2 : → S2 + be + V(3/ed) + to-inf/ to have + V(3/ed)
Áp dụng :
11. It is thought that he has died (in) a natural death. (by them)
=> Công thức 1
12. It is believed that 13 is an unlucky number. (by some people)
=> Công thức 1
13. It is said that John is the brightest student in the class. (by them)
=> Công thức 1
14. The President was reported to have suffered a heart attack. (by them)
=> Công thức 2
15. I knew that he had been told of the meeting. (by them)
=> Công thức 2
-Vinny, #Muoi, Chúc bạn học tốt, Sayorana~