| Base form (v1) | Impinge |
| Past form (v2) | Impinged |
| Past Participle (v3) -ed form |
Impinged |
| Present Participle (v4) ‘ing’ form |
Impinging |
| Present simple (v5) s / es/ ies |
Impinges |
Past continuous tense of impinge verb forms - Learn English Free Online
