| Base form (v1) | Purify |
| Past form (v2) | Purified |
| Past Participle (v3) -ed form |
Purified |
| Present Participle (v4) ‘ing’ form |
Purifying |
| Present simple (v5) s / es/ ies |
Purifies |
Past continuous tense of purify verb forms - Learn English Free Online
