| Base form (v1) | Infringe |
| Past form (v2) | Infringed |
| Past Participle (v3) -ed form |
Infringed |
| Present Participle (v4) ‘ing’ form |
Infringing |
| Present simple (v5) s / es/ ies |
Infringes |
Past continuous tense of infringe verb forms - Learn English Free Online
