| Part of speech | verb |
|---|
| Indicative mood | |
|---|---|
| Present tense | Past tense |
| (I) undertake | (I) undertook |
| (thou) undertakest | (thou) undertookst, undertookest |
| (he) undertakes, undertaketh | (he) undertook |
| (we) undertake | (we) undertook |
| (you) undertake | (you) undertook |
| (they) undertake | (they) undertook |
| Subjunctive mood | |
| Present tense | Past tense |
| (I) undertake | (I) undertook |
| (thou) undertake | (thou) undertook |
| (he) undertake | (he) undertook |
| (we) undertake | (we) undertook |
| (you) undertake | (you) undertook |
| (they) undertake | (they) undertook |
| Imperative mood | |
| undertake | |
| Participles | |
| Present participle | Past participle |
| undertaking | undertaken |
| Catalan | emprendre |
|---|---|
| Danish | foretage |
| Dutch | ondernemen; op touw zetten |
| Esperanto | entrepreni |
| Faeroese | greiða úr hondum |
| Finnish | yrittää |
| French | entreprendre |
| German | unternehmen |
| Italian | intraprendere |
| Portuguese | empreender |
| Saterland Frisian | unnernieme; feranstaltje |
| Spanish | emprender |