Question

let them start the project change voice

Answer 1

Given sentence,

  “ Let them start the project”

Since there is no by, We may conclude it as Active voice.

To change it into Passive voice, Subject and Object must be interchanged. And Tense shouldn't be changed

The required passive voice sentence will be ;

Let the project be started (by them).

Other relevant examples ;

Active : The police caught the thief.

Passive : The thief was caught (by the police)

Answer 2

Answer:

Active voice:

Let them start the project.

Passive voice:

Let the project be started by them.