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 | extemporera |
| Present | extemporerar |
| Past | extemporerade |
| Imperative | extemporera |
| Supine | extemporerat |
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 | extemporerar |
| du | extemporerar |
| han;hon | extemporerar |
| vi | extemporera |
| ni | extemporera |
| de | extemporera |
| jag | har extemporerat |
| du | har extemporerat |
| han;hon | har extemporerat |
| vi | ha extemporerat |
| ni | ha extemporerat |
| de | ha extemporerat |
| jag | extemporerade |
| du | extemporerade |
| han;hon | extemporerade |
| vi | extemporerade |
| ni | extemporerade |
| de | extemporerade |
| jag | hade extemporerat |
| du | hade extemporerat |
| han;hon | hade extemporerat |
| vi | hade extemporerat |
| ni | hade extemporerat |
| de | hade extemporerat |
| jag | skulle extemporera |
| du | skulle extemporera |
| han;hon | skulle extemporera |
| vi | skola extemporera |
| ni | skola extemporera |
| de | skola extemporera |
| jag | skulle ha(va) extemporerat |
| du | skulle ha(va) extemporerat |
| han;hon | skulle ha(va) extemporerat |
| vi | skola ha(va) extemporerat |
| ni | skola ha(va) extemporerat |
| de | skola ha(va) extemporerat |
| jag | må extemporera |
| du | må extemporera |
| han;hon | må extemporera |
| vi | må extemporera |
| ni | må extemporera |
| de | må extemporera |
| jag | må ha(va) extemporerat |
| du | må ha(va) extemporerat |
| han;hon | må ha(va) extemporerat |
| vi | må ha(va) extemporerat |
| ni | må ha(va) extemporerat |
| de | må ha(va) extemporerat |
| jag | skulle extemporera |
| du | skulle extemporera |
| han;hon | skulle extemporera |
| vi | skulle extemporera |
| ni | skulle extemporera |
| de | skulle extemporera |
| jag | skulle ha(va) extemporerat |
| du | skulle ha(va) extemporerat |
| han;hon | skulle ha(va) extemporerat |
| vi | skulle ha(va) extemporerat |
| ni | skulle ha(va) extemporerat |
| de | skulle ha(va) extemporerat |
| jag | skulle extemporera |
| du | skulle extemporera |
| han;hon | skulle extemporera |
| vi | skulle extemporera |
| ni | skulle extemporera |
| de | skulle extemporera |
| jag | skulle ha(va) extemporerat |
| du | skulle ha(va) extemporerat |
| han;hon | skulle ha(va) extemporerat |
| vi | skulle ha(va) extemporerat |
| ni | skulle ha(va) extemporerat |
| de | skulle ha(va) extemporerat |
| du | extemporera |
| vi | Låt oss extemporera |
| ni | extemporera |