A sentence that makes statements has a pattern that starts with a subject and followed by a verb.
Subject + Verb
Subject + Verb + Complement
Subject + Verb + Direct Object
Subject + Verb + Indirect Object + Direct Object
Subject + Verb + Direct Object + Complement
An interrogative sentence or a sentence that asks question begins with an interrogative word followed by a verb then the subject.
Interrogative words are What, when, where, why, how, which, who, and whom.
Interrogative Word + Verb + Subject
Interrogative word + Verb + Subject + Verb