section_path: Theoretical frameworks
section_name: Theoretical frameworks
paragraph_text: Theoretical frameworks
  
  Frameworks of grammar which seek to give a precise scientific theory of the syntactic rules of grammar and their function have been developed in theoretical linguistics.
  
  Other frameworks are based on an innate " universal grammar ", an idea developed by Noam Chomsky. In such models, the object is placed into the verb phrase. The most prominent biologically-oriented theories are:
  
  Parse trees are commonly used by such frameworks to depict their rules. There are various alternative schemes for some grammar: