Esperanto grammar
Esperanto is a constructed auxiliary language. A highly regular grammar makes Esperanto much easier to learn than most other languages of the world, though particular features may be more or less adva...
Esperanto orthography
Esperanto is written in a Latin alphabet of twenty-eight letters, with upper and lower case. This is supplemented by punctuation marks and by various logograms, such as the numerals 0–9, currency sign...
Interrogatives in Esperanto
In Esperanto there are two kinds of interrogatives: yes–no interrogatives, and correlative interrogatives.
Yes–no questions are formed with the interrogative ĉu "whether" at the beginning of the c...