Sentence Equivalents in Finnish

Overview

Sentence equivalents (lauseenvastikkeet) are constructions that replace entire subordinate clauses with more compact infinitive or participial phrases. At the B2 level, these structures are essential for understanding written Finnish, where they appear constantly in newspapers, academic texts, and official documents. They make written Finnish significantly more concise than its spoken counterpart.

Where a spoken Finnish sentence might use a full subordinate clause with kun (when), koska (because), or että (that), written Finnish often compresses this into an infinitive or participle construction. Mastering sentence equivalents is one of the key steps in moving from conversational Finnish to literate, professional-level Finnish.

The main types of sentence equivalents correspond to the different subordinate clause types they replace: temporal, causal, manner, and referative (reported speech).

How It Works

Temporal sentence equivalents (replacing kun-clauses)

Using the 2nd infinitive (inessive):

Full clause	Sentence equivalent	English
Kun syön, kuuntelen musiikkia.	Syödessäni kuuntelen musiikkia.	While eating, I listen to music.
Kun hän tuli kotiin, alkoi sataa.	Hänen tullessaan kotiin alkoi sataa.	When he/she came home, it started to rain.

Causal sentence equivalents

Using the 2nd infinitive or other constructions:

Full clause	Sentence equivalent
Koska olin sairas, jäin kotiin.	Sairaana ollessani jäin kotiin.

Manner sentence equivalents

Using the 2nd infinitive instructive:

Full clause	Sentence equivalent	English
Hän teki sen niin, että hän hymyili.	Hän teki sen hymyillen.	He/She did it smiling.

Purpose sentence equivalents

Using the 1st infinitive long form (translative):

Full clause	Sentence equivalent	English
Hän tuli, jotta hän oppisi suomea.	Hän tuli oppiakseen suomea.	He/She came to learn Finnish.

Referative sentence equivalents

Using participles (covered in Indirect Speech):

Full clause	Sentence equivalent
Hän sanoi, että hän on sairas.	Hän sanoi olevansa sairas.

Summary of constructions

Replaces	Construction	Form used
kun (when, simultaneous)	2nd inf. inessive + poss. suffix	syödessäni
jotta (in order to)	1st inf. long form (translative)	oppiakseen
niin että (so that, manner)	2nd inf. instructive	hymyillen
että (reported speech)	participle + poss. suffix	olevansa
koska (because)	various participle constructions	—

Examples in Context

Finnish	English	Note
Syödessäni luen lehteä.	While eating, I read the newspaper.	Temporal (2nd inf. inessive)
Hänen lähtiessään alkoi sataa.	When he/she left, it started to rain.	Temporal, different subject
Hän tuli oppiakseen suomea.	He/She came to learn Finnish.	Purpose (1st inf. long)
Lapset juoksivat nauraen.	The children ran laughing.	Manner (2nd inf. instructive)
Istuen sohvalla hän katsoi televisiota.	Sitting on the sofa, he/she watched TV.	Manner
Hän kertoi asuvansa Turussa.	He/She said he/she lives in Turku.	Referative (participle)
Musiikkia kuunnellessani rentoudun.	While listening to music, I relax.	Temporal
Hän lähti kertomatta mitään.	He/She left without saying anything.	3rd inf. abessive
Saadakseen paremman työn hän opiskeli.	To get a better job, he/she studied.	Purpose
Nähtyään tulokset hän ilahtui.	Having seen the results, he/she was delighted.	Temporal (past participle)

Common Mistakes

Forgetting possessive suffixes in temporal equivalents

• Wrong: Syödessä luen lehteä.
• Right: Syödessäni luen lehteä.
• Why: The possessive suffix indicates who is performing the action. Without it, the sentence is incomplete.

Using sentence equivalents in speech

• Wrong: Overusing these constructions in casual conversation
• Right: Reserve them for writing and formal contexts
• Why: Sentence equivalents are a written Finnish feature. In speech, use full subordinate clauses with conjunctions.

Mixing up different subject constructions

• Wrong: Syödessäni hän lähti. (my eating, but he/she left — confusing reference)
• Right: Minun syödessäni hän lähti. (make subjects explicit when different)
• Why: When the subjects differ, the subject of the sentence equivalent must be made explicit in the genitive.

Usage Notes

Sentence equivalents are one of the most significant differences between spoken and written Finnish. A newspaper article might contain several sentence equivalents per paragraph, while the same content in speech would use full subordinate clauses. Learning to recognize and produce these forms is essential for academic and professional Finnish.

The 3rd infinitive abessive (-matta/-mättä) is technically also a sentence equivalent, replacing "without doing" clauses: Hän lähti sanomatta mitään (He/She left without saying anything).

Practice Tips

1. Clause compression: Take sentences with subordinate clauses and compress them into sentence equivalents: Kun syön... → Syödessäni... / Jotta oppisin... → Oppiakseni...
2. Newspaper analysis: Read a Finnish newspaper article and identify all sentence equivalents. Expand each one into a full subordinate clause to check your understanding.
3. Writing practice: Write a short formal text (a report, a letter) using at least three different types of sentence equivalents.

Related Concepts

• Prerequisite: Infinitive Forms — the infinitive forms used in these constructions