Breakdown of De kan inte utforska planeten förrän landningen är klar.
vara
to be
de
they
inte
not
kunna
to be able to, can
klar
ready / finished (doing something)
förrän
until (in negative sentences)
utforska
to explore
planeten
the planet
landningen
the landing
Questions & Answers about De kan inte utforska planeten förrän landningen är klar.
Why is förrän used here instead of tills for 'until'?
In Swedish, förrän is only used when the main clause is negative, which we see here with De kan inte (They cannot). If the sentence were positive, like 'They will wait until the landing is finished,' you would have to use tills instead.
Why doesn't the verb utforska end in an -r here?
Utforska is in its infinitive (base) form because it comes directly after the helper verb kan (can). In Swedish, just like in English, the verb that follows 'can' doesn't take a present tense ending.
Why is it planeten and not just planet?
Planeten is the definite form, meaning 'the planet'. Since planet is an en-word, we add -en to the end to say 'the', matching the English sentence.
Why does the sentence use klar instead of klart?
The adjective klar (finished/ready) describes landningen (the landing). Because landning is an en-word, the adjective stays in its basic form and does not get the -t ending that ett-words receive.
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