Open World SB p 82. Impersonal passive

 

Impersonal passive

A) Noun + verb in passive form + infinitive/ perfect infinitive

With these verbs: agree, assume, believe, claim, consider, estimate, expect, feel, find, guarantee, know, mean, presume, regard, report, say, suppose, think, understand.

E.g.  

Tourism is expected to become a major part of the country’s economy. 

Tourism was expected to have become a major part of the country's economy

B) It + verb in passive form + that clause

With these verbs: accept, agree, argue, assume, believe, calculate, claim, consider, estimate, expect, feel, know, presume, report, say, suggest, suppose, think, understand.

E.g. It is thought that the new railway will provide employment opportunities for local people.