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Questions & Answers about Lääkäri tulee terveyskeskukseen.
How exactly does terveyskeskus change into terveyskeskukseen?
The word terveyskeskus ends in -us. For many words ending in -us, the stem is formed by changing the -s to -kse-, giving us the stem terveyskeskukse-. To form the illative ('into') case, you double the last vowel of the stem and add -n. So, we add another -e- and an -n to get terveyskeskukseen.
Is terveyskeskus a compound word?
Yes, it combines terveys (health) and keskus (center). In Finnish compound words, only the very last part of the word changes its ending for grammar. That is why terveys stays exactly the same, and only keskus takes the illative ending.
Why do we use the illative case here instead of the allative (-lle) case?
You use the illative case because a health center is a building you physically go inside. If you were going to an open-air place, like a market square or an outdoor bus stop, you would typically use the allative (-lle) case to mean 'onto' or 'to'.
Why does the English translation say 'is coming' instead of 'comes'?
Finnish does not have a separate continuous tense (the 'is doing' form) like English does. The present tense verb tulee can mean either 'comes' or 'is coming', depending entirely on what makes sense in the context.