Passive voice Hello, can you help me to define why passive voice is used in these sentences: 1) the performer is unknown 2) emphasize important information. 3) other variants Early humans are often thought of as dwelling in caves. Jerico is usually quaoted as the earliest known town. Thank you.

Passive voice Hello, can you help me to define why passive voice is used in these sentences: 1) the performer is unknown 2) emphasize important information. 3) other variants Early humans are often thought of as dwelling in caves. Jerico is usually quoted as the earliest known town. Thank you.