This is not a lexical category and we have not discussed what the head of S might be. C. Phrases can be characterized in terms of their internal structure and external structure. The external structure of phrase X is the context of that phrase, the phrases which stand next to and above phrase X, regardless of what phrase X looks like inside. The distribution of a phrase X is the set of possible external structures for X. a. The distribution of a phrase is determined in part by its category.
Internal structure is the makeup of a phrase, regardless of what stands outside that phrase.
The puppy keeps putting my slippers behind the couch , click here . Features A. Types of features. Verbs forms can be finite or nonfinite. Finite forms can be lexical or auxiliary. Auxiliary forms can be aspectual or modal.