What are the grammars of primary school English?

Nouns, adjectives, verbs (be verbs-there is a formula, transitive verbs, intransitive verbs, modal verbs), prepositions, pronouns (possessive pronouns)

Step 2: Phrases

Noun phrases, verb phrases, prepositional phrases

3. Sentence structure

Subject+System+Table

Subject+predicate

Subject+Predicate+Object

Subject+Predicate+Object+Definite+Form+Complement

4. Sentence types

declarative sentence

Interrogative question (general, special)

exclamatory sentence

5. Terms (from junior high school)

subject clause

Predicate clause

object clause

Attributive clause (restrictive, non-restrictive)

Predicative clause

Adverbial clauses (time, conditions, ways, reasons)