A - a)Definition of the term "subject" based on a normative English grammar.
b)Some counterexamples, which go against this definition.
c)Revision of the definition given to cover those counterexamples.
B - Description of some "errors" using appropriate linguistic terminology and possible reasons, which led students to make them.
C - Description of the ideas we have had during our teaching experience that cam be productive in the area of contrastive analysis, based on morpho-syntax features of English and Portuguese.
D - Reference documents.
