Potential.
I may or can; would, could, or should be; could,
would, or should have been, &c.
Infinitive.
Present. To be.
Preterit. To have been.
Participle present. Being.
Participle preterit. Having been.
Passive Voice. Indicative Mood.
I am loved, &c. I was loved, &c. I have been