The key to exercise solutions in chapter Unit 10 - Crime doesn’t pay for the textbook Engage B2 with Exam Skills with authors Barbara Bettinelli e Jane Bowie from Pearson Longman
Question
Complete the rules.
Answer
The passive is made with an auxiliary verb (usually "to be") and a past participle.
We include the agent (the doer of the action) only when it is important to say who does the action.