question *****
interrogation *
interrogative
interrogative sentence

An interrogative sentence asks a question and hence ends with a question mark.

Note that interrogative sentences always end with a question mark.

"Negative questions" are interrogative sentences which contain negation in their phrasing, such as "Shouldn't you be working?"

An interrogative sentence or question is commonly used to request information - "Do I have to go to work?"

Inversion of the subject and verb is used in interrogative sentences:

This word order is always kept, regardless of a declarative sentence or an interrogative sentence.

The following example shows an interrogative sentence with an initial question word (Gerzenstein 1995:178:

In most languages, a single question mark is used, and only at the end of an interrogative sentence: "How old are you?"

Anteposition of the particle lu (or lo), in some interrogative sentences.

All declarative and most interrogative sentences follow this pattern, the interrogatives with a changed emphasis.