Yes and no "Ja", and the affirmative answer to "Snakker du ikke norsk?" ("Do you not speak Norwegian?") is "Jo", while the negative answer to "both" questions is "Nei". Danish, Swedish, Norwegian, Icelandic, Faroese, Hungarian, German, Dutch, and French all have three-form systems. Swedish and Danish have "ja", "jo", and "nej". Norwegian has "ja", "jo"/"jau", and "nei". Icelandic has "já", "jú" and "nei". Faroese has "ja", "jú" and "nei". Hungarian has "igen", "de", and "nem". German has "ja", "doch", and "nein". Dutch has "ja", "jawel", and "nee". French has "oui", "si", and "non". Swedish, and to some extent Danish and Norwegian, also has
Yes and no one of these two words as minor sentences. Sweet classifies the words in several ways. They are sentence-modifying adverbs, adverbs that act as modifiers to an entire sentence. They are also sentence words, when standing alone. They may, as question responses, also be absolute forms that correspond to what would otherwise be the "not" in a negated echo response. For example, a "No." in response to the question "Is he here?" is equivalent to the echo response "He is not here." Sweet observes that there is no correspondence with a simple "yes" in the latter situation, although the sentence-word "Certainly."