In modern Swedish, verbs are not conjugated in person or number; the same verb form is used for all persons in singular and plural.
| Infinitive | immunisera |
| Present | immuniserar |
| Past | immuniserade |
| Imperative | immunisera |
| Supine | immuniserat |
Until the beginning of the 20th century, Swedish verbs had distinct forms for singular and plural. The forms below show the verb conjugated in all moods, tenses, numbers, and persons.
| jag | immuniserar |
| du | immuniserar |
| han;hon | immuniserar |
| vi | immunisera |
| ni | immunisera |
| de | immunisera |
| jag | har immuniserat |
| du | har immuniserat |
| han;hon | har immuniserat |
| vi | ha immuniserat |
| ni | ha immuniserat |
| de | ha immuniserat |
| jag | immuniserade |
| du | immuniserade |
| han;hon | immuniserade |
| vi | immuniserade |
| ni | immuniserade |
| de | immuniserade |
| jag | hade immuniserat |
| du | hade immuniserat |
| han;hon | hade immuniserat |
| vi | hade immuniserat |
| ni | hade immuniserat |
| de | hade immuniserat |
| jag | skulle immunisera |
| du | skulle immunisera |
| han;hon | skulle immunisera |
| vi | skola immunisera |
| ni | skola immunisera |
| de | skola immunisera |
| jag | skulle ha(va) immuniserat |
| du | skulle ha(va) immuniserat |
| han;hon | skulle ha(va) immuniserat |
| vi | skola ha(va) immuniserat |
| ni | skola ha(va) immuniserat |
| de | skola ha(va) immuniserat |
| jag | må immunisera |
| du | må immunisera |
| han;hon | må immunisera |
| vi | må immunisera |
| ni | må immunisera |
| de | må immunisera |
| jag | må ha(va) immuniserat |
| du | må ha(va) immuniserat |
| han;hon | må ha(va) immuniserat |
| vi | må ha(va) immuniserat |
| ni | må ha(va) immuniserat |
| de | må ha(va) immuniserat |
| jag | skulle immunisera |
| du | skulle immunisera |
| han;hon | skulle immunisera |
| vi | skulle immunisera |
| ni | skulle immunisera |
| de | skulle immunisera |
| jag | skulle ha(va) immuniserat |
| du | skulle ha(va) immuniserat |
| han;hon | skulle ha(va) immuniserat |
| vi | skulle ha(va) immuniserat |
| ni | skulle ha(va) immuniserat |
| de | skulle ha(va) immuniserat |
| jag | skulle immunisera |
| du | skulle immunisera |
| han;hon | skulle immunisera |
| vi | skulle immunisera |
| ni | skulle immunisera |
| de | skulle immunisera |
| jag | skulle ha(va) immuniserat |
| du | skulle ha(va) immuniserat |
| han;hon | skulle ha(va) immuniserat |
| vi | skulle ha(va) immuniserat |
| ni | skulle ha(va) immuniserat |
| de | skulle ha(va) immuniserat |
| du | immunisera |
| vi | Låt oss immunisera |
| ni | immunisera |