how do i turn this sentence into one with a active voice?

chaucer has been deemed by many schooars to be the first major english poet.

many writers have been influenced by chaucer's bawdy humour and insight characterizations.

i think the canterbury tales can justifiably be called the most popular work in english literature.

and wht is the difference between active and passive im so confused

tentofield2015-04-09T13:36:18Z

Many scholars have deemed Chaucer to be the first major English poet.
Chaucer's bawdy humour and insight[ful] characterisations have influenced many writers.

The third sentence is essentially in active voice.

?2015-04-09T13:34:16Z

Passive means the subject is being acted on. - Chaucer has been deemed by many scholars
to be the first major English poet.
Active- Many scholars deem Chaucer to be the first major English poet.

passive- Many writers have been influenced by Chaucer's bawdy humour and insight characterizations .
active- Chaucer's bawdy humour and insight characterizations have influenced many writers.

Possum2015-04-09T13:32:09Z

Many scholars have deemed Chaucer to be the first major English Poet. That is that active voice. "Chaucer has been deemed by many scholars" is the passive voice.