Impersonal passive structures Proficiency

Rewrite the following sentences, using an impersonal structure.

I know that his furniture business only uses

recycled wood - that's a fact.

Rewrite the following sentences, using an impersonal structure.

They claim that the environmentally-educational

board game Ethica is really good.

Rewrite the following sentences, using an impersonal structure.

I think that the turtle population is increasing in

certain parts of the world.

Rewrite the following sentences, using an impersonal structure.

I believe that the largest deep sea coral is near

Norway and covers more than 100 sq km.

Rewrite the following sentences, using an impersonal structure.

Scientists say that more than 600 new species

nave been discovered in Madagascar in the last

decade

Rewrite the following sentences, using an impersonal structure.

Deep-sea fishermen have reported seeing giant

squid but they still remain elusive creatures.