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`1` 

`@` It is said that the film is very good.
`@` The film is said to be very good.

`2`

`@` It is said that he speaks `12` languages.
`@` He is said to speak `12` languages.

`3`

`@` It was thought that the government had shown no regard for public opinion.

`@` The government was thought to have shown no regard for public opinion.

`4

`@` It is known that machines are controlled by computers.
`@` Machines are known to be controlled by computers.

`5`

`@` It is thought that football players are better paid than doctors.
`@` Football players are thought to be better paid than doctors.

`6`

`@` It is expected that the cost of living is going up.
`@` The cost of living is expected to go up.

`7`

`@` It was proved that Marconi invented the radio.
`@` Marconi was proved to have invented the radio.

`8`

`@` It is known that Agatha Christie wrote detective stories.
`@` Agatha Christie is known to have written detective stories.

$\text{Bị Động Đặc Biệt}$

`-` Bị động đặc biệt `1` :

`@` S(người) + have/get + O(bị động) + V3/Vpp + O .

`-` Bị động đặc biệt `2` :

`@` S(bị động) + be + V3/Vpp + to ...

`->` to V `(` Nếu vế câu chính ở thì hiện tại `-` tương lai `)` .

`->` to have + V3/Vpp `(` Nếu vế câu chính ở thì quá khứ `-` quá khứ hoàn thành `)` .

`-` Bị động với chủ ngữ giả .

`@` It + be + V3/Vpp + that + S + V + O ...

`1.` 

`->` It is said that the film is very good. 

`->` The film is said to be very good.

`2.` 

`->` It is said that he speaks `12` languages

`->` He is said to speak `12` languages.

`3.` 

`->` It is thought that the government had shown no regards for public opinion.
`->` The government was thought to have shown no regards for public opinion.

`4.` 

`->` It is known that machines are controlled by computers.

`->` Machines are known to be controlled by computers.

`5.`

`->` It is thought that football players are better paid than doctors.

`->` Football players are thought to be better paid than doctors.

`6.` 

`->` It is expected that the cost of living is going up.

`->` The cost of living is expected to go up.

`@` Ta có: Expect `+` to V `:` Mong đợi, mong chờ, dự kiến làm gì ...

`7.` 

`->` It was proved that Marconi invented the radio.

`->` Marconi was proved to have invented the radio.

`8.`

`->` It is known that Agatha Christie wrote detective stories.

`->` Agatha Christie is known to have written detective stories.

`--------------------`

`-` Cấu trúc câu bị động chỉ ý kiến:

`->` CĐ: S `+` say/believe/think/ ... (chia) `+` that `+` S2 `+` V2 (chia)

`=` BĐ: It `+` be said/believed/thought/ ... `+` that `+` S2 `+` V2(chia)

`=` S2 `+` be said/believed/thought/ ... `+` to V/to have PII

`@` Chú ý: Nếu vế `2` ở thì QKĐ, hoặc khác thì ở cả `2` vế khi chuyển sang câu bị động bằng cách `2` thì sau "to" ta thêm "have PII".

`-` Nếu ở mệnh đề `2` ở câu chủ động là bị động ta có cấu trúc của `C2:`

`->` S2 `+` be said/believed/thought/ ... `+` to be PII/to have been PII

`@` Lưu ý: Trong câu chủ động với các chủ ngữ “I, They, We, somebody, someone,everybody, everyone,....” thì khi chuyển sang câu bị động ta bỏ By O.

`+` By O đứng trước trạng từ chỉ thời gian và đứng sau trạng từ chỉ nơi chốn.