D-Structure is the abstract underlying level of a sentence where lexical items are inserted from the mental dictionary (the lexicon). At this stage, semantic relationships—such as who is doing what to whom (Thematic Roles)—are mapped out strictly according to phrase structure rules. Surface Structure (S-Structure)
Radford organizes the material into four primary thematic pillars: D-Structure is the abstract underlying level of a
But here is the professional linguist’s secret: D-Structure is the abstract underlying level of a
Looking at how our mental dictionary interacts with the rules of grammar. D-Structure is the abstract underlying level of a