Complex sentence: Such sentences are sometimes said to exhibit an interrogative mood--thus treating interrogative as one of the grammatical moods, specifically a type of epistemic mood--this applies particularly to those languages which use different inflected verb forms to make questions.
Split into simpler sentences: Such sentences are sometimes said to exhibit an interrogative mood--thus treating interrogative as one of the grammatical moods, specifically a type of epistemic mood. This applies particularly to languages that use different inflected verb forms to make questions.