Đáp án:

$7.$ She is said to have spoken English well.

$8.$ I am thought to have been late for work.

$9.$ It is known that we were tired yesterday.

$10.$ He is said to have seen a tiger last week.

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

Câu bị động kép:

`->` It + be + V3 / PII (thought, believed ...) + that + mệnh đề

`->` S + be + V3 / PII (thought, believed ...) + to + V (chia)

Chia V:

`-` Diễn tả sự việc xảy ra ở tương lai - hiện tại `:` to + V

`-` Diễn tả sự việc đang xảy ra `:` to + be + Ving

`-` Diễn tả sự việc diễn ra xảy ra ở quá khứ `:` to + have + V3 / PII

`-` BĐ Ý kiến :

`+` `C1` : It + is / was / ... + VpII + that + Clause

`+` `C2` :

`*` S + is / am / are / ... + VpII + to V-inf [ Mệnh đề `2` `=` Hiện tại `/` Tương lai ]

`*` S + is / am / are / ... + VpII + to have VpII [ Mệnh đề `2` `=` Quá khứ ]

`7`.She is said to have spoken English well

`8`.I am though to have been late for work

`9`.It is known that we were tired yesterday

`10`.He is understood to have seen a tiger last week

`\text{# TF}`