1. I was being seenWe were being seen
2. Thou wert or wast being seenYou were being seen
3. He was being seenThey were being seen

Present Perfect Tense—Active Voice

Simple

(Substitute seen for been in the present perfect indicative of to be.)

Progressive

(Substitute been seeing for been in the present perfect indicative of to be.)

Present Perfect Tense—Passive Voice

(Substitute been seen for been in the present perfect indicative of to be.)

Past Perfect Tense—Active Voice

Simple