How many questions are in this quiz?

This quiz has 141 questions focused on comma placement in complex sentences.

What format are the questions in?

Each question is multiple choice with 4 options, and there is no timer.

Is the difficulty level beginner-friendly?

It’s mixed difficulty, so you’ll see both core comma rules and more advanced complex-sentence cases.

Can I choose how many questions to answer?

Yes. You can select your preferred question count and difficulty before you start.

What comma mistakes does this quiz target most?

It targets comma splices, missing commas after introductory clauses, and incorrect commas around essential vs. nonessential information.

Comma placement in complex sentences

About this quiz

What you’ll practice

This punctuation quiz focuses on comma placement in complex sentences, especially where clauses and phrases collide. You’ll learn to spot boundaries that change meaning and readability.

Each question uses a 4-option multiple-choice format with no timer, so you can reason through the grammar instead of rushing.

Common pitfalls (and how to avoid them)

A frequent mistake is inserting commas between a subject and verb or before a necessary “that” clause. Another is missing commas after long introductory elements or around nonessential interruptions.

Difficulty and quiz settings

Difficulty is mixed by design: you’ll get a balance of straightforward comma rules and trickier edge cases (like dependent clauses, embedded phrases, and coordinating conjunctions). You can choose your question count and difficulty before starting to match your study time and comfort level.

Commas with independent clauses joined by FANBOYS
Introductory clauses and long prepositional openers
Nonessential vs. essential (restrictive) information
Interrupting phrases, appositives, and parentheticals
Avoiding comma splices and run-on fixes

Tips to score higher

Read each sentence aloud and listen for natural pauses—but confirm them with grammar rules. When in doubt, identify the main clause first, then check what’s dependent, optional, or joined.