| Base form (v1) | Congratulate |
| Past form (v2) | Congratulated |
| Past Participle (v3) -ed form |
Congratulated |
| Present Participle (v4) ‘ing’ form |
Congratulating |
| Present simple (v5) s / es/ ies |
Congratulates |
Past continuous tense of congratulate verb forms - Learn English Free Online
