verb - do, subject - I verb - do, subject - you <-- You are using this one. verb - does, subject - he verb - do, subject - we verb - do, subject you verb - do, subject - they
The verb is not "do", the verb is "like". "Like" is an action verb. "You" is the subject. "Coffee" is the direct object. The subject (you) is singular, so the verb (like) is also singular.
