Cấu trúc:

`S_(1)` + say/think/believe/... + that + `S_(2)` + `V`

`→` It + be + said/thought/believed/... + that + `MĐ` sau giữ nguyên

`→` `S_(2)` + be + said/thought/believed/.. + to be `P.P` hoặc to have been `P.P` (do bị động)

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`44.` 

`C1` People believed that the fire was caused by a short circuit in the lift machinery.

`C2` The fire was believed to have been caused by a short circuit in the lift machinery.

`45.`

`C1` They decided that their marriage would be organised in December.

`C2` Their marriage was decided to be organised in December.

`# Kanao`

`44. 1:` People believed that the fire was caused by a short circuit in the lift machinery.

`2:` The fire was believed to cause by a short circuit in the lift machinery. 

`45. 1:` They decided that their marriage would be organised in December.

`2:` Their marriage was decided to be organised in December. 

`-` Cấu trúc câu bị động đặc biệt:

`-` Câu chủ động:

`-` S1 + V1 + that + S2 + V2 + O (Clause) (V1 = believe,say,think,report,find,know,decide,...)

`->` It + be + VpII + that + S2 + V2 (Clause)

`->` S + be + VpII (V1) + to V-inf (V2) + O (V1 cùng thì với V2)