Ambiguity indicates that a section of a sentence has two or more than two different explanations or semantic interpretations, which involves all aspects of linguistics and brings about a variety of problems in teaching and communicating. Structural ambiguity is a common phenomenon. This paper focuses on structural ambiguity in cognitive perspective based on Figure-ground Theory through analyzing specific examples. It involves the formation of English structural ambiguity, causes and some suggestions of eliminating ambiguity in a...