English Language Arts
Grade 8
15 min
Commas: review
Commas: review
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Identify independent and dependent clauses within sentences.
Distinguish between simple, compound, complex, and compound-complex sentence structures.
Correctly place commas in compound sentences joined by coordinating conjunctions.
Correctly place commas after introductory dependent clauses in complex sentences.
Avoid common comma errors, such as comma splices and unnecessary commas.
Apply comma rules to construct clear and grammatically correct compound-complex sentences.
Revise their own writing for accurate comma usage in various sentence types.
Ever wonder why a tiny curve can completely change how easy a sentence is to read? 🧐 Commas are small but mighty, especially when dealing with different sentence structures!
In this lesson, we'll revie...
2
Key Concepts & Vocabulary
TermDefinitionExample
Independent ClauseA group of words that contains a subject and a verb and expresses a complete thought. It can stand alone as a simple sentence.The students studied diligently.
Dependent ClauseA group of words that contains a subject and a verb but does not express a complete thought. It cannot stand alone as a sentence and often begins with a subordinating conjunction or relative pronoun.Because they had a big test tomorrow
Compound SentenceA sentence consisting of two or more independent clauses joined by a coordinating conjunction (FANBOYS: For, And, Nor, But, Or, Yet, So) or a semicolon.The bell rang, and the students rushed out of the classroom.
Complex SentenceA sentence containing one independent clause and at least one dependent clause. The dependent clause o...
3
Key Rules & Conventions
Comma with Coordinating Conjunctions in Compound Sentences
Use a comma before a coordinating conjunction (FANBOYS) when it joins two independent clauses.
This rule prevents run-on sentences and makes the sentence easier to read by clearly separating the two complete thoughts.
Comma After Introductory Dependent Clauses
Use a comma after a dependent clause that introduces an independent clause.
When a dependent clause comes first, the comma signals to the reader that the main part of the sentence (the independent clause) is about to begin.
No Comma When Dependent Clause Follows Independent Clause
Do not use a comma before a dependent clause when it follows the independent clause.
When the independent clause comes first, the flow of the sentence is usually clear without...
5 more steps in this tutorial
Sign up free to access the complete tutorial with worked examples and practice.
Sign Up Free to ContinueSample Practice Questions
Challenging
Which option best combines the following three ideas into a single, correctly punctuated compound-complex sentence? Ideas: 1. The storm passed. 2. We assessed the damage. 3. The power was still out.
A.After the storm passed we assessed the damage, and the power was still out.
B.The storm passed, we assessed the damage, but the power was still out.
C.After the storm passed, we assessed the damage, but the power was still out.
D.We assessed the damage after the storm passed, the power was still out.
Challenging
A sentence reads: 'The experiment was a success, the data supported our hypothesis.' Which statement BEST analyzes the error and proposes a revision that creates a compound sentence, as defined in the tutorial?
A.The error is a missing semicolon; replacing the comma with a semicolon is the only way to fix it.
B.The sentence is correct because the two clauses are closely related in thought.
C.The error is a comma splice; it can be corrected by making the second clause dependent, like 'because the data supported our hypothesis.'
D.The error is a comma splice; it can be corrected by adding a coordinating conjunction like 'for' after the comma to link the two independent clauses.
Challenging
Read the paragraph: '(1) The debate team prepared for weeks and they felt confident. (2) Although the topic was difficult they had researched it thoroughly. (3) The first speaker presented her argument, the rebuttal was sharp and insightful.' Which sentences require comma corrections?
A.Sentences 1, 2, and 3
B.Sentences 2 and 3
C.Sentences 1 and 2
D.Sentence 3 only
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free