`1`.This is the first time I have visited the museum once

`\rightarrow` Cấu trúc : This is the first time + S + have / has + V3 / PII

`2`.It took us five hours to get to London

`\rightarrow` Cấu trúc : It + take + O + time + to do sth

`3`.I am going to be tuned my piano tomorrow

`\rightarrow` Câu bị động - Thì TLG : S + is,am,are + going to be + V3 / PII ( by O )

`\text{@ TheFox}`

1. This is my first time visiting the museum.

- $#Form: This is my/the first time + V-ing+...$

2.It took us five hours to get to London.

-$#Form: S+ took O+ time+ to +Vo+to+....$   

3. I am going to be tuned piano by someone tomorrow

- $#Form: S+ tobe+going to+ be+PII+by+O$