| Base form (v1) | Tremble |
| Past form (v2) | Trembled |
| Past Participle (v3) -ed form |
Trembled |
| Present Participle (v4) ‘ing’ form |
Trembling |
| Present simple (v5) s / es/ ies |
Trembles |
Past continuous tense of tremble verb forms - Learn English Free Online
