Language & Literature

Compound and Complex Sentences Quiz: Check Your Grammar

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This quiz helps you spot and improve compound and complex sentences, with quick checks on clauses, commas, and conjunctions so your writing is clear. For more practice, try our complex and compound sentences quiz, explore a sentence structure quiz, or review tricky punctuation in a run-on sentence quiz.

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1Which sentence is compound?
2Which sentence is complex?
3Which word is a coordinating conjunction (FANBOYS)?
4Choose the correctly punctuated compound sentence.
5A compound sentence has two or more independent clauses.
6Choose the coordinating conjunction that best shows contrast: I wanted to go, ___ it started to storm.
7Select the best compound version: The team was exhausted. They celebrated the win.
8Which part is the dependent clause in this sentence: We canceled the picnic because the sky darkened quickly.
9Choose the sentence with a nonessential relative clause punctuated correctly.
10A semicolon alone can correctly join two independent clauses without a conjunction.
11Choose the correctly punctuated compound sentence with internal commas.
12Which sentence contains a restrictive relative clause (no commas)?
13Select the sentence that turns the second clause into a noun clause correctly.
14Which revision removes ambiguity caused by the because clause placement?
15A dependent clause can fun<wbr>ction as the subject of a complex sentence.
16Identify the sentence type: Although we were tired, we finished the project, and we celebrated.
17Choose the sentence that correctly distinguishes a compound predicate from a compound sentence.
18A colon can join two independent clauses when the second explains the first; this is not a compound sentence by coordination.
19Using only a comma to join two independent clauses is correct if the clauses are short.
20Choose the sentence that integrates a quoted clause as a noun clause without a comma splice.
Learning Goals

Study Outcomes

  1. Identify Clause Types -

    Determine independent and dependent clauses within sentences as you progress through the compound and complex sentences quiz.

  2. Differentiate Sentence Structures -

    Distinguish between compound, complex, and compound-complex constructions during targeted compound complex sentence practice.

  3. Analyze Sentence Composition -

    Break down multi-clause sentences using strategies learned from the compound and complex sentences test to understand each clause's role.

  4. Construct Accurate Sentences -

    Apply your knowledge to create grammatically correct compound, complex, and compound-complex sentences in the compound complex sentence quiz.

  5. Enhance Writing Confidence -

    Use instant feedback from the quiz to improve your grammar skills and boost confidence in crafting complex sentence structures.

Study Guide

Cheat Sheet

  1. Differentiating Independent and Dependent Clauses -

    An independent clause can stand alone, while a dependent clause relies on another clause for meaning. Use the mnemonic "IDEA" - Independent, Dependent, Example, Attach - to quickly spot each clause type. Purdue OWL underscores that mastering these basics is the first step toward acing any compound and complex sentences quiz.

  2. Leveraging FANBOYS for Compound Sentences -

    Compound sentences link two independent clauses with one of the FANBOYS conjunctions: for, and, nor, but, or, yet, so. Remembering the FANBOYS acronym ensures you never omit the correct connector. The UCLA Writing Center provides clear examples that make compound complex sentence practice more approachable.

  3. Using Subordinators in Complex Sentences -

    Complex sentences introduce a dependent clause using subordinators like because, although, since, or unless to add depth. A simple test is to underline the subordinator and confirm that removing it yields a standalone sentence. Cambridge University Press recommends this technique for tackling tricky compound and complex sentences test questions.

  4. Building Compound-Complex Sentences -

    A compound-complex sentence combines at least two independent clauses with one or more dependent clauses for nuanced expression. For example, "I revised my essay, and I submitted it after I double-checked my references." The University of Michigan's writing resources show that mastering this form elevates your grammar skills to the next level.

  5. Mastering Punctuation for Clarity -

    Proper punctuation is key: place a comma before the coordinating conjunction in compound sentences and avoid commas when a dependent clause follows an independent clause. For instance, "We discussed the article because it was timely, and we shared our insights." The Chicago Manual of Style highlights this rule as essential for clear compound and complex sentences practice.

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Michael HodgeEdTech Product Lead & Assessment Design SpecialistQuiz Maker
Updated Feb 22, 2026