| Base form (v1) | Infect |
| Past form (v2) | Infected |
| Past Participle (v3) -ed form |
Infected |
| Present Participle (v4) ‘ing’ form |
Infecting |
| Present simple (v5) s / es/ ies |
Infects |
Past continuous tense of infect verb forms - Learn English Free Online
