S1 + V1 + that + S2 + V2 

→ S2 + be + V3/ed (V1) + to + V1 (cùng thì)

→ S2 + be + V3/ed (V1) + to have + V3/ed (khác thì)

→ It is + V3/ed (V1) + that + S2 +V2

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11.

- It was thought that he had boarded the plane in New York.

- He was thought to have boarded the plane in New York.

12.

- It is believed that all children are born with equal intelligence.

- Children are believed to be born with equal intelligence.

`color{orange}{~MiaMB~}`