Interrogatives in Esperanto

In Esperanto there are two kinds of interrogatives: yes–no interrogatives, and correlative interrogatives.wikipedia
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Esperanto

EsperantistEsperanto languageEsperantists
In Esperanto there are two kinds of interrogatives: yes–no interrogatives, and correlative interrogatives.

Interrogative word

interrogative pronouninterrogativeinterrogative pronouns
In Esperanto there are two kinds of interrogatives: yes–no interrogatives, and correlative interrogatives.

Yes–no question

yes-no questionyes/no questionpolar question
Yes–no questions are formed with the interrogative ĉu "whether" at the beginning of the clause.

Intonation (linguistics)

intonationintonationalintonations
A yes–no question is also normally accompanied by a rising intonation.

Markedness

unmarkedmarked(unmarked)
In some cases, especially when the context makes it clear that the sentence is an interrogative, a rising intonation alone can make a clause into a question, but this is uncommon and highly marked.

English language

EnglishEnglish-languageen
The subject and the verb are not inverted to form questions as in English and many other European languages.

Inflection

inflectedinflectional morphologyinflectional
These words are inflected according to the role they play in the clause (for the words that take an inflection), and moved to the beginning of the clause.

Content clause

indirect questiondeclarative content clausenoun clause
As explained above, any interrogative clause can be used as-is as an indirect question, e.g.

Relative clause

relativerelative clausesfree relative clause
Because the correlatives that begin with ki- are also used to form relative clauses (similarly to many European languages) there is in theory a potential for ambiguity between indirect questions and relative clauses.