2. WHEN WE USE TAG QUESTIONS? We use tag questions at the end of statements to ask for confirmation. They mean something like: "Am I right?" or "Do you agree?" They are very common in English.
3. TAG QUESTIONS form The whole sentence is a “statement”, and the mini-question at the end is called a " tag".
4. AFFIRMATIVE (statment) + NEGATIVE (tag): You are from Colombia, aren’tyou? NEGATIVE (statment) + AFFIRMATIVE (tag) Youdon’tspeakenglish, do you?