We introduce the term entity fi rst. There are seven kinds of entities of different ranks. They are morphemes, words,
phrases, clauses, complex sentences, 1 sentence groups, and mood. They can be subsumed under two major categories:
0.1.1 Syllabic entities: Grammatical elements
These can be further divided into two classes:
A Expressive units: clauses, complex sentences, and sentence groups. B Constituent units: morphemes, words, and phrases.