Breakdown of Lue kirjaasi, kunnes keitto jäähtyy.
kirja
book
lukea
to read
keitto
soup
kunnes
until
jäähtyä
to cool down (lose heat)
Questions & Answers about Lue kirjaasi, kunnes keitto jäähtyy.
Does the word kunnes change the word order of the clause that follows it?
No. Just like with että (that) or koska (because), a clause starting with kunnes follows standard Finnish word order. Here, it is simply Subject + Verb: keitto jäähtyy.
Why is the word for "your book" kirjaasi here instead of kirjasi?
Kirjaasi is in the partitive case (kirjaa) with the possessive suffix -si attached. The partitive is used because the action of reading is ongoing and incomplete—you are just reading for a while until the soup cools. If the command was to finish the entire book, you would use the accusative form kirjasi.
I know jää means "ice". Are jää and jäähtyy related?
Yes! Jäähtyä is an intransitive verb meaning "to cool down" or "to get cold" on its own. It comes from the root jää (ice). Note that because the soup is cooling itself down, we use jäähtyä. If you were actively cooling the soup, you would use the transitive verb jäähdyttää.
Why does the verb lukea (to read) lose its k in the command lue?
The singular imperative (command) form is built from the first-person singular present tense. Because minä luen (I read) undergoes consonant gradation where the k disappears in the weak grade, the command form lue also drops the k. You simply take luen and remove the -n.
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