2. Grammar is a science that studies the rules of grammatical structure. It is people's understanding and interpretation of objective grammar rules.
3. Words are the smallest language units that can be used independently. It is an alternating unit of phrases and sentences.
4. Phrases are a group of words that can be collocated semantically and grammatically, and have no sentence mood. They are spare units for making sentences.
5. Sentences are language units that can express relatively complete meanings and have specific intonation.
6. Sentence patterns-Sentence types classified according to structural standards are called sentence patterns.
7. Sentence categories-The types classified according to the mood expressed by sentences are called sentence categories.
8, sentence components-is a part of the sentence. It is determined by the structural relationship between the internal components of a sentence or phrase.
9. Adverbial is an additional component before the head of verb adjective phrase.
10, notional words-words that can act as sentence components are called notional words.
1 1, function words-can't act as sentence components, but can only help content words to make sentences, and those that express lexical meaning are called function words.
12. Nouns-words that represent people or things.
13. Adjectives-words that indicate nature and state.
14, subject-predicate phrase-consists of a subject and a predicate, and there is a relationship between the statement and the stated, that is, the subject-predicate relationship.
15. Verb-object phrase-consists of a verb and an object, and the relationship between the two parts is domination and domination or correlation and correlation, that is, verb-object phrase.
16. The phrase "Pianzheng" consists of two parts, the former modifies or restricts the latter, and the relationship between them is the latter.
See for yourself.