Simple

1. (If) I saw(If) we saw
2. (If) thou saw(If) you saw
3. (If) he saw(If) they saw

Emphatic

1. (If) I did see(If) we did see
2. (If) thou did see(If) you did see
3. (If) he did see(If) they did see

Progressive

1. (If) I were seeing(If) we were seeing
2. (If) thou were seeing(If) you were seeing
3. (If) he were seeing(If) they were seeing

Past Tense—Passive Voice

1. (If) I were seen(If) we were seen
2. (If) thou were seen(If) you were seen
3. (If) he were seen(If) they were seen

Present Perfect Tense—Active Voice

Simple