1. How they are formed
Structures with "It is said that...":
It is + past participle + that + clause
Structures with "He/She is thought to...":
Subject + is/was + past participle + to + infinitive
Rule details
C1 (Advanced)
Structures with "It is said that...":
It is + past participle + that + clause
Structures with "He/She is thought to...":
Subject + is/was + past participle + to + infinitive
It is said that...
It is said that the company will expand next year.
He is thought to...
He is thought to have left the country.
She is believed to...
She is believed to be one of the best scientists in her field.
It is said that vs He/She is thought to
It is said that is neutral and often impersonal; He/She is thought to focuses on a specific person or object.
Tense usage
These structures can be used with present, past, or future meaning depending on context.