The interrogative (or interrogatory) mood is used for asking questions. No "subparts, or a compound, conjunctive, or disjunctive question" may be included in an interrogatory. This rule is really a combination of a deposition with an interrogatory. Sentence-final particles include interrogatory and non-declarative mood markers. " He says&colon; "It's really an interrogatory line, you know&colon; I'm asking a question. The data that needs verification is marked with interrogatory signs (?).