tehdä

Tehdä is a Finnish verb meaning to do or to make. It denotes performing an action, producing something, or carrying out a task. The verb is highly common and versatile, appearing in many idioms and compound expressions such as tehdä päätös (to make a decision), tehdä ruokaa (to cook), or tehdä töitä (to work).

Etymology and related forms: Tehdä is a core Finnish verb with cognates in other Finnic languages. Its historical origin is not precisely documented in brief summaries, but it has given rise to several common derivatives, for example teko (an act, deed) and tehtävä (task).

Conjugation overview (selected forms): Infinitive: tehdä. Present indicative: teen, teet, tekee, teemme, teette, tekevät. Past (imperfect): tein, teit, teki, teimme, teitte, tekivät. Present passive: tehdään. Past passive: tehtiin. Imperative: tee (singular), tehkää (plural). Conditional: tekisin, tekisit, tekisi, tekisimme, tekisitte, tekisivät. Past conditional and other moods are formed with auxiliary structures or the verb stem in extended forms. Past participle: tehty (used as an adjective meaning “done” or “made”; e.g., tehty työ).

Usage notes: The object of tehdä often takes the partitive case when the action is indefinite or general (for example, tehdä kahvia, tehdä ruokaa). When referring to a definite or completed outcome, the object may appear in the genitive or as part of a compound expression, such as tehdä päätös (to make a decision). Tehdä also appears in many fixed phrases and in participial expressions like tekemällä (by doing).

See also: Finnish grammar, verb conjugation, related nouns such as teko and tehtävä.