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. (november 2016)
an interrogative sentence is a sentence that asks a question. the term is used in grammar to refer to features that form questions. thus, an interrogative sentence is a sentence whose grammatical form shows that it is a question. such sentences may exhibit an interrogative grammatical mood. this applies particularly to languages that use different inflected verb forms to make questions.
interrogative sentences can serve as yes–no questions or as wh-questions, the latter being formed using an interrogative word such as who, which, where or how to specify the information required. different languages have various ways of forming questions, such as word order or the insertion of interrogative particles. questions are frequently marked by intonation, in particular a rising intonation pattern – in some languages this may be the sole method of distinguishing a yes–no question from a declarative statement.
interrogative mood or other interrogative forms may be denoted by the glossing abbreviation int.