Definitions for "Interrogative sentence"
a sentence in the form of a question.
A sentence that asks a question or makes an inquiry.
a sentence form used principally to ask a question. The i.s. may also make a request, ΒΆ6-3-5. The two principal forms of an i.s. are 1) the yes-no i.s. and 2) the wh-i.s.