Questions & Answers about Oletko jo maksanut summan?
What tense and person is the verb form oletko maksanut, and how is it constructed?
The form oletko maksanut is the present perfect tense (perfect) in second-person singular. It combines the auxiliary olla in the present (olet) with the past participle maksanut. The -ko attached to olet is the question particle, turning olet into oletko (“have you?”).
Why is the question particle -ko attached to olet instead of appearing elsewhere?
In Finnish yes/no questions, the question particle -ko/-kö typically attaches to the first word you choose to question—often the verb. Here it attaches to olet to signal “are you…?” or “have you…?” Placing -ko elsewhere or repeating it isn’t standard.
What does the adverb jo mean in this sentence?
jo means already. It expresses that the speaker expects or wonders whether the action (paying the sum) has happened before now.
Why is summa inflected as summan, and what case is that?
summan is the accusative singular of summa (sum), marking a definite direct object. In Finnish, the accusative for many singular nouns is indicated by adding -n to the nominative stem.