Passive voice

1. The person who causes the action is called an agent and is preceded by the preceded by the preposition by

1.1. We usually omit the agent:

1.1.1. When the action interests us more than the agent

1.1.2. When we don’t know the agent

1.1.3. When it is easy to figure out who the agent is

2. Present simple

2.1. I am called

3. Past simple

3.1. I was called

4. Past perfect simple

4.1. I’d been called

5. Modal verb

5.1. I can be called

6. We use it to emphasize an action rather than who or what is responsible for it

7. Is formed with the verb be + the past participle of the main verb

8. Present perfect simple

8.1. I’ve been called

9. Future will

9.1. I’ll be called