Grammatical Functions

The article The Form-Function Method for Teaching Grammar: Learning English Grammar by Studying Grammatical Form and Function explains the pedagogical method of teaching English grammar by distinguishing grammatical form from grammatical function.

Subject

The article The Grammatical Subject in English: Nouns, Prepositional Phrases, Verbs, and Noun Clauses as Subjects explains and provides examples of the four grammatical forms that can function as the subject in English grammar.

The linguistic term of grammatical subject is defined in the blog post Linguistic Definition of Grammatical Subject.

Predicate

The article Learning Word Order in English by Studying the Forms of the English Predicate lists and provides examples of the six constructions of the predicate in English grammar.

The article Constructions of the English Predicate: What Can the Predicate Look Like in the English Language? describes the six main forms of the predicate in English grammar.

Subject Complement

The article The Grammatical Subject Complement in English: The Five Words, Phrases, and Clauses that Describe the Subject identifies and provides examples of the five grammatical forms that can function as the subject complement in English grammar.

The article How to Teach ESL Students the Difference between Subject Complements and Direct Objects outlines a lesson plan for teaching the five grammatical forms that can function as the subject complement in English grammar.

Direct Object

The article The Grammatical Direct Object in English: Nouns, Prepositions, Verbs, and Noun Clauses as Direct Objects identifies and describes the four grammatical forms that can function as the direct object in English grammar.

The article How to Teach ESL Students the Difference between Subject Complements and Direct Objects outlines a lesson plan for teaching the four grammatical forms that can function as the direct object in English grammar.

Object Complement

The article The Grammatical Object Complement in English: Five Words, Phrases, and Clauses that Describe the Direct Object identifies and provides examples of the five grammatical forms that can function as the object complement in English grammar.

Indirect Object

The article The Grammatical Indirect Object in English: Nouns, Prepositions, Verbs, and Noun Clauses as Indirect Objects identifies and describes the four grammatical forms that can function as the indirect object in English grammar.

Prepositional Complement

The article Grammatical Prepositional Complement in English: Four Grammatical Forms that Function as the Object of a Preposition describes the four grammatical forms that can function as the prepositional complement in English grammar.

Noun Phrase Modifier

The article The Grammatical Noun Phrase Modifier in English: Describing with Nouns, Adjectives, Prepositions, Verbs, and Clauses identifies and describes the five grammatical forms that can function as the noun phrase modifier in English grammar.

Adverbial

The article The Grammatical Adverbial in English: Words, Phrases, and Clauses that Modify or Describe an Entire Clause describes the five grammatical forms that can function as the adverbial in English grammar.

Adjunct

The article The Grammatical Adjunct in English: Framing an Entire Clause with Adverbs and Prepositional Phrases describes the two grammatical forms that can function as the adjunct in English grammar.

Determinative

The article The Grammatical Determinative in English: Articles, Demonstratives, Possessive Adjectives, Other Determiners lists and explains the six types of determiners that can function as the determinative in English grammar.