A. English Structure: Sentence, Clause, Phrase, Word, Alphabet
B. Sentence is a group of words that is complete in itself, usually containing a subject and predicate, conveying a statement, instruction, question, exclamation, or command, and consisting of a main clause and starts with a capital letter in writing, and finishes with a period ‘.’.
B1. A simple sentence, compound sentence, and complex sentence
B2. Some subordinate clauses can come in front of the main clause.
B3. Four Sentence Types: Declarative, Imperative, Exclamatory, and Interrogative Sentences
C. Clause is a group of words and a unit of grammatical organization next below the sentence consist of a subject and predicate (e.g. Subject + Verb).
C1. All Clauses in English have at least two parts: a Noun Phrase and a Verb Phrase.
C2. Clause types: Declarative, Interrogative, Imperative, and Exclamative clause
D. Phrase is a small group of words without a subject + verb component.
D1. Noun Phrase is just a noun or a pronoun.
D2. Verb Phrase is a main verb, auxiliary verb and modal verb.
D3. Prepositional Phrase is made up of a Preposition and a Noun Phrase.
E. Word: is a single distinct meaningful element of speech or writing, used with others or alone to form a sentence and typically shown with a space on either side when written or printed.
F. Alphabet: is a standard set of letters or symbols in a fixed order used to represent of writing and speaking language. The English alphabet is consisting of 26 letters, from A to Z.