Learn Finnish: Tule nopeasti tänne, koska tämä on hyvä piilo. - Come here quickly, because this is a good hiding place.

Finnish spatial adverbs follow a three-way system: static location, movement towards, and movement away from. Because the verb tulla (to come) describes movement towards a destination, you must use the 'towards' adverb tänne (to here) rather than the static location adverb täällä (at here).

How is the command form tule constructed?

Tule is the imperative, or command form, telling one person to do something. You form it by taking the present tense 'I' form of the verb, tulen (I come), and simply removing the final -n.

What is the function of the -sti ending in nopeasti?

The -sti suffix turns an adjective into an adverb, describing how an action is done. It works exactly like the '-ly' ending in English. Here, it turns the adjective nopea (quick) into the adverb nopeasti (quickly).

How is the word piilo typically used?

Piilo literally means a hiding place. You will frequently see it used in the phrase olla piilossa (to be hiding) or in the name of the game hide-and-seek, which is piiloleikki.