1 → I am made to study harder by my mother. 

Giải thích: S + be + V3 (+ by Sb/ O) (Present simple)

2 → She enjoys being taken to school by her father.

Giải thích: S + enjoy + being + V3 (+ by O)

3 → I have the house cleaned by my children.

Giải thích: S + be + V3 (+ by Sb/ O) (Present simple)

4→ People are said that Bob is the most intelligent student in his class.

Giải thích: S + be + V3 (+ by Sb/ O) (Present simple)

5 → People are thought that we built this bridge 2 years ago.

Giải thích: S + be + V3 (+ by Sb/ O) (Present simple)

6 → I want to be bought a new phone by my mother.

Giải thích: S + be + V3 (+ by Sb/ O) (Present simple)

7→ My Tam was heard to sing many songs yesterday.

Giải thích: S + was/were + VpII + (by + O)  

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