ttäväsuffixillä

The term "ttäväsuffixillä" is a Finnish grammatical construction, specifically a morphosyntactic feature indicating a specific type of passive or impersonal agent. It is formed by attaching the suffix "-ttävä" to a verb stem. This suffix conveys a sense of something that must or should be done, or something that is to be done, often implying an external obligation or necessity.

Grammatically, "-ttävä" functions similarly to a passive participle in English, but with a stronger modal nuance. It can be used to describe actions that are inherently required or that are designated for completion. For example, in Finnish, a phrase like "kirjoitettava" translates to "to be written" or "that must be written." This indicates that the act of writing is a necessary or designated task.

The "-ttävä" suffix is typically used in impersonal constructions, where the performer of the action is not explicitly stated or is of secondary importance to the action itself. It can also appear in passive sentences. Its presence highlights the obligation or the nature of the task rather than who is responsible for performing it. Understanding this suffix is crucial for comprehending the nuances of Finnish verbal morphology and sentence structure, particularly in contexts involving duties, requirements, or planned actions.