| Present "administer" | I | administer | |
| Present Continuous "administer" | I | am administering | |
| Simple past "administer" | I | administered | |
| Past Continuous "administer" | I | was administering | |
| Present perfect "administer" | I | have administered | |
| Present perfect continuous "administer" | I | have been administering | |
| Past perfect "administer" | I | had administered | |
| Past perfect continuous "administer" | I | had been administering | |
| Future "administer" | I | will administer | |
| Future continuous "administer" | I | will be administering | |
| Future perfect "administer" | I | will have administered | |
| Future perfect continuous "administer" | I | will have been administering |