sentential form
2.A parse of a sentential form is the construction of a derivation and possibly a syntax tree for it.
3.Dixi structure is the most controversial sentential phenomenon in modern Chinese; its frame structure can assume the form of NP1+VP1+NP2+VP2,NP2 functioning as the object of VP1 as well as the subject of VP2, and also the form of serial verbs, subject-predicate phrase functioning as object as well as double objects.
