$3.$ It is thought that the company is planning a new advertising campaign.
$5.$ It is known that the man was driving at 110 miles an hour.
$6.$ It is considered that she was the best singer that Australia has ever produced.
$8.$ It is believed that the Prime Minister and his wife have separated.

Structure: Câu bị động kép: It is+P2+that+S+V

$@Ly$

`3.`

→ It is thought that the company is planning a new advertising campaign.

→ The company is thought to plan a new advertising campaign.

`5.`

→ It is known that the expedition reached the South Pole in May.

→ The expedition is known to have reached the South Pole in May.

`6.`

→ It is considered that she was the best singer that Australia has ever produced.

→ She is considered to have been the best singer that Australia has ever produced.

`8.`

→ It is believed that the Prime Minister and his wife have separated.

→ The Prime Minister and his wife are believed to have seperated.

Giải thích:

Đây là passive voice of reporting verbs

Công thức:

People [say] that S + V.

→ It + [be] + [said] that S + V.

→ S + [be] + [said] + to-inf / to have `V_3`.

`text{~ Học Tốt Nha ~}`