It covers all of the eight parts of speech in English grammar, the concepts of a phrase/clause that is composed of parts of speech, and the concepts of syntactic roles (e.g., subject, object). It provides an effective index and glossary.
The content of the text is sometimes ambiguous although it is error free and unbiased.
The content of the text is about the grammatical rules of English that could rarely be updated within a short period of time. The rules of a languages does not change within a short period of time.
It adopts a narrative style or tone to explain the grammar, which requires less cognitive loads from readers to grasp the concepts of terminologies. However, due to such a narrative style, the text is unnecessarily wordy.
It uses consistent terms and keeps the same framework to explain the grammar of English.
Because the text has the consistent pattern of explaining concepts, providing examples of the concepts, and providing grammar exercises, the sections and the subsections are easily recognizable without efforts.
It would be better for the textbook to have a preface from the beginning and a study guide. Readers could have hard time to find the underlying logic of the order of the table of contents.
The text rarely rely on any diagrams/charts that can support readers’ understanding of the content. The tables that the textbook uses are well placed at the right positions.
The textbook is about English grammar, which explicitly explains why there are no grammatical errors.
The textbook is about English grammar. The topic or subject of the content is not related to humans, societies, or cultures at all.