lennäisivät
Lennäisivät is the conditional mood, third-person plural form of the Finnish verb lentää, which means "to fly". This grammatical form expresses a hypothetical or potential action of flying by multiple subjects.
In Finnish grammar, the conditional mood is used to convey uncertainty, possibility, or a hypothetical situation.
Therefore, "lennäisivät" would be used in a sentence to describe a situation where multiple entities (e.g., birds,