Breakdown of Tarkistan, että postinumero on oikein, ennen kuin lähetän kirjeen.
olla
to be
ennen kuin
before
lähettää
to send
tarkistaa
to check
että
that
oikein
correct
postinumero
postal code
kirje
letter
Elon.io is an online learning platform
We have an entire course teaching Finnish grammar and vocabulary.
Questions & Answers about Tarkistan, että postinumero on oikein, ennen kuin lähetän kirjeen.
Why is että used here, and what does it do in the sentence?
Että is a subordinating conjunction meaning that. It introduces a content clause: Tarkistan, että postinumero on oikein = I check that the postal code is correct. In Finnish, this kind of “I check/know/think/say that …” structure commonly uses että.
Can että be omitted, like “I check the postal code is correct”?
Usually you should keep että. Omitting it can sound informal, unclear, or just nonstandard in many contexts. The natural, neutral written Finnish version is with että.
Why is there a comma after Tarkistan?
In Finnish, subordinate clauses are typically separated with a comma. Since että postinumero on oikein is a subordinate clause, it’s set off with a comma: Tarkistan, että …
Why is there another comma before ennen kuin?
For the same reason: ennen kuin lähetän kirjeen is also a subordinate clause (“before I send the letter”), so it is separated with a comma from the main clause.
What’s the difference between ennen kuin and ennen?
- ennen is a preposition/adverb used with a noun phrase: ennen lähetystä = before the sending / before shipment
- ennen kuin is used when a verb clause follows: ennen kuin lähetän = before I send
Why is lähetän in the present tense even though it refers to the future?
Finnish often uses the present tense for future meaning when the time relation is clear from context (here, before). So ennen kuin lähetän kirjeen naturally means before I send the letter (even if the sending will happen later).
Why is kirjeen in the -en form?
Kirjeen is the object in the so-called total object form (often genitive-looking in the singular). Here it implies you will send the whole letter / a complete letter (a single, bounded action). The dictionary form is kirje → object form kirjeen.
When would it be lähetän kirjettä instead?
Kirjettä (partitive) would be used if the action is ongoing, incomplete, repeated, or not bounded. For example, in a context like “I’m in the process of sending a letter” or “I send letters (in general)”, partitive can appear depending on the intended meaning and construction. In this specific sentence, the natural meaning is one complete sending event, so kirjeen fits.
Why is it postinumero on oikein and not postinumero on oikea?
Both can be heard, but they’re slightly different in feel:
- on oikein uses oikein as an adverb meaning correctly / correct (a very common way to say something is correct).
- on oikea uses oikea as an adjective meaning (is) the right/correct one.
In everyday Finnish, on oikein is extremely common for “is correct.”
Is postinumero one word, and how is it formed?
Yes, it’s a compound: posti (post/mail) + numero (number) → postinumero = postal code / ZIP code. Finnish forms compounds very freely, so many everyday terms are built this way.
What do the verb forms tarkistan and lähetän tell me?
Both are 1st person singular present tense:
- tarkistan = I check (verb tarkistaa)
- lähetän = I send (verb lähettää)
So the subject I is built into the verb endings; no separate pronoun (minä) is needed.
Could I replace tarkistan with varmistan here?
Often, yes, but the nuance shifts:
- tarkistan = I check / I verify (focus on looking up/inspecting)
- varmistan = I make sure / I ensure (focus on guaranteeing the result)
Both can work, but tarkistan feels especially natural for checking details like a ZIP code.