English Composition 101: Grammar and Style - Sentence Structure Simple Compound Complex CompoundComplex Clauses Independent Dependent Phrases Noun Verb Prepositional Participial Gerund Infinitive Appositive

Sentence Structure Study Guide

What It Is

Sentence structure refers to the way words are arranged to convey meaning. A well-structured sentence can make your writing clear and engaging. For example, "I went to the store, bought milk, and came home" is a compound sentence with three independent clauses. Understanding sentence structure is crucial for academic and professional writing, as it helps you convey complex ideas and arguments effectively.

Core Principles

• Simple Sentence: A sentence with one independent clause, e.g., "I went to the store."
• Compound Sentence: A sentence with two or more independent clauses joined by a conjunction, e.g., "I went to the store, and I bought milk."
• Complex Sentence: A sentence with one independent clause and one or more dependent clauses, e.g., "I went to the store because I needed milk."
• Compound-Complex Sentence: A sentence with two or more independent clauses and one or more dependent clauses, e.g., "I went to the store, and I bought milk because I needed it."
• Independent Clause: A clause that can stand alone as a complete sentence, e.g., "I went to the store."
• Dependent Clause: A clause that cannot stand alone as a complete sentence, e.g., "because I needed milk."
• Noun Phrase: A group of words that functions as a noun, e.g., "the big red car."
• Verb Phrase: A group of words that functions as a verb, e.g., "was driving home."
• Prepositional Phrase: A group of words that begins with a preposition, e.g., "in the store."
• Participial Phrase: A phrase that functions as an adjective, e.g., "walking down the street."
• Gerund Phrase: A phrase that functions as a noun, e.g., "eating breakfast."
• Infinitive Phrase: A phrase that functions as a noun, e.g., "to eat breakfast."
• Appositive Phrase: A phrase that renames or explains a noun, e.g., "my best friend, John."
• Subordinate Conjunctions: Words that introduce dependent clauses, e.g., "because," "although," "if."
• Coordinating Conjunctions: Words that join independent clauses, e.g., "and," "but," "or."
• Transitions: Words that connect ideas between sentences, e.g., "however," "in addition," "meanwhile."

Common Writing Errors

• Error: "I went to the store and I bought milk."
• Why it fails: This sentence lacks a conjunction to join the two independent clauses.
• Correction: "I went to the store, and I bought milk."
• Error: "I went to the store because I needed milk and I bought it."
• Why it fails: This sentence has a dependent clause with a coordinating conjunction, which is incorrect.
• Correction: "I went to the store because I needed milk; I bought it."
• Error: "I went to the store, and I bought milk, and I came home."
• Why it fails: This sentence has three independent clauses with no conjunctions.
• Correction: "I went to the store, bought milk, and came home."

Quick Application

• Scenario 1: Write a thesis statement arguing that college tuition should be free.
• Model Answer: "College tuition should be free because it would increase accessibility and reduce student debt."
• Explanation: This thesis statement has a clear claim and a roadmap for the argument.
• Scenario 2: Write a compound sentence describing your daily routine.
• Model Answer: "I wake up at 6 am, exercise for an hour, and then eat breakfast."
• Explanation: This sentence has two independent clauses joined by a coordinating conjunction.
• Scenario 3: Write a complex sentence explaining why you chose your major.
• Model Answer: "I chose to major in English because I have always loved reading and writing, and I want to pursue a career in publishing."
• Explanation: This sentence has one independent clause and one dependent clause.

Last-Minute Revision

• Commas: Use commas to separate items in a list, but not to separate independent clauses.
• Semicolons: Use semicolons to separate independent clauses that are closely related.
• Transitions: Use transitions to connect ideas between sentences, but not to start a sentence.
• Citation: Use MLA or APA citation style consistently throughout your paper.
• Punctuation: Use punctuation to clarify meaning, but not to confuse the reader.
• Common phrases: Avoid using phrases like "in my opinion" or "I think" in academic writing.
• Word choice: Use precise and concise language to convey your ideas.
• Sentence length: Vary sentence length to create a natural flow.
• Parallel structure: Use parallel structure to compare or contrast ideas.
• Active voice: Use active voice to make your writing more engaging.
• Tone: Use a professional tone in academic writing.