Interrogatives
Questions in English often start with an interrogative which describes the type of information being asked for. Some examples are: Note how the word order changes between the question and the answer.
Yes-no questions
In yes-no questions (so-called polar questions) the word order is usually the same, but instead of the interrogative comes a verb to make a Verb-Subject-Object sentence. Below are some examples of yes-no questions: Usually, simple positive or negative answers will be shorter. It is enough to say: "Yes, I do.", "No, I don't.", "Yes, it is.", "No, it isn't", etc.