| Part of speech | verb |
|---|---|
| Hyphenation | dub·i |
| Indicative mood | |
|---|---|
| Present tense | dubas |
| Past tense | dubis |
| Future tense | dubos |
| Conditional mood | |
| dubus | |
| Imperative mood | |
| dubu | |
| Participles | ||
|---|---|---|
| Active participles | Passive participles | |
| Present tense | dubanta | dubata |
| Past tense | dubinta | dubita |
| Future tense | dubonta | dubota |
| Catalan | dubtar |
|---|---|
| Czech | pochybovat |
| Danish | tvivle |
| Dutch | dubben; in dubio staan; twijfelen; zijn twijfels hebben |
| English | doubt; question |
| Faeroese | ivast |
| Finnish | epäillä |
| French | douter |
| German | zweifeln |
| Hungarian | kételkedik; kétkedik |
| Icelandic | efa |
| Italian | dubitare |
| Latin | addubitare; dubitare |
| Papiamento | duda |
| Polish | wątpić |
| Portuguese | duvidar; estar em dúvida; ter dúvida |
| Romanian | se îndoi |
| Russian | сомневаться; усомниться |
| Saterland Frisian | betwieuwelje; twieuwelje |
| Spanish | dudar |
| Swedish | tvivla |
| West Frisian | betwivelje; twivelje |