| Present "infect" | I | infect | |
| Present Continuous "infect" | I | am infecting | |
| Simple past "infect" | I | infected | |
| Past Continuous "infect" | I | was infecting | |
| Present perfect "infect" | I | have infected | |
| Present perfect continuous "infect" | I | have been infecting | |
| Past perfect "infect" | I | had infected | |
| Past perfect continuous "infect" | I | had been infecting | |
| Future "infect" | I | will infect | |
| Future continuous "infect" | I | will be infecting | |
| Future perfect "infect" | I | will have infected | |
| Future perfect continuous "infect" | I | will have been infecting |