Fiveable

๐Ÿ†Intro to English Grammar Unit 9 Review

QR code for Intro to English Grammar practice questions

9.2 Subordinating conjunctions and complex sentences

๐Ÿ†Intro to English Grammar
Unit 9 Review

9.2 Subordinating conjunctions and complex sentences

Written by the Fiveable Content Team โ€ข Last updated September 2025
Written by the Fiveable Content Team โ€ข Last updated September 2025
๐Ÿ†Intro to English Grammar
Unit & Topic Study Guides

Subordinating conjunctions are the glue that holds complex sentences together. They connect dependent and independent clauses, showing relationships like time, cause, condition, or contrast. Understanding these conjunctions helps you create more sophisticated sentences.

Recognizing clause types is key to mastering complex sentences. Independent clauses can stand alone, while dependent clauses need the main clause to make sense. By combining them with subordinating conjunctions, you can express intricate ideas and relationships between concepts.

Understanding Subordinating Conjunctions

Subordinating conjunctions in sentences

  • Subordinating conjunctions connect dependent clause to independent clause (because, although, if, when, while, unless, since)
  • Introduce dependent clauses establishing relationships between clauses
  • Indicate time (when), cause (because), condition (if), or contrast (although)
  • Create complex sentences by joining ideas with specific relationships
  • Examples: "Although it was raining, we went for a walk" or "We stayed inside because it was storming"

Clauses in complex sentences

  • Independent clause contains subject and predicate standing alone as complete sentence (The dog barked)
  • Dependent clause has subject and predicate but cannot stand alone (because the mailman arrived)
  • Identify clauses by locating subordinating conjunction and determining standalone ability
  • Complex sentence combines both: "The dog barked because the mailman arrived"
  • Practice recognizing: "While I was sleeping, the phone rang" (dependent + independent)

Constructing Complex Sentences

Composing with subordinating conjunctions

  • Time-related conjunctions show sequence or duration (when, while, before, after, as soon as)
  • Cause and effect conjunctions indicate reasons or results (because, since, as, so that)
  • Condition conjunctions express requirements or hypotheticals (if, unless, provided that, in case)
  • Contrast conjunctions present opposing ideas (although, though, even though, whereas)
  • Vary structure: "Unless it rains, we'll have a picnic" or "We'll have a picnic unless it rains"

Clause relationships in sentences

  • Dependent clause modifies or elaborates on independent clause providing context
  • Temporal relationships indicate event timing (After I finish work, I'll go to the gym)
  • Causal relationships show reasons or results (He studied hard because he wanted to pass the exam)
  • Conditional relationships express requirements or hypotheticals (If it snows, schools will close)
  • Concessive relationships present contrasting information (Although he was tired, he kept working)
  • Conjunction choice and clause order affect meaning and emphasis (Because I was late, I missed the bus vs. I missed the bus because I was late)