English Language Arts
Grade 12
15 min
Use hyphens in compound adjectives
Use hyphens in compound adjectives
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Introduction & Learning Objectives
Learning Objectives
Identify compound adjectives that require hyphenation within complex sentences.
Correctly apply hyphens to multi-word adjectives preceding a noun.
Differentiate between compound adjectives and adverb-adjective combinations, particularly those involving adverbs ending in '-ly'.
Analyze and correct hyphenation errors in collegiate-level prose and literary analysis.
Construct sophisticated sentences using various forms of compound adjectives, including those with numbers and suspensive hyphens.
Articulate the grammatical reasoning for why a hyphen is or is not used in a given adjectival phrase.
Is there a difference between a 'man eating shark' and a 'man-eating shark'? 🦈 Yes, and a hyphen can be a matter of life and death!
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Key Concepts & Vocabulary
TermDefinitionExample
Compound Adjective (or Phrasal Adjective)Two or more words that are joined, often by a hyphen, to function as a single adjective modifying a noun or pronoun.In 'a thought-provoking novel,' the words 'thought-provoking' work together as one unit to describe 'novel'.
ModifierA word or phrase that provides more information about another word. In this context, a compound adjective is a modifier.The modifier is 'state-of-the-art' in the phrase 'state-of-the-art laboratory'.
Head NounThe primary noun that is being described or modified by the adjective(s).In 'a well-written analysis,' the head noun is 'analysis'.
Predicate AdjectiveAn adjective that follows a linking verb (like 'is', 'was&...
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Key Rules & Conventions
The Pre-Noun Position Rule
Hyphenate a compound adjective when it comes *before* the noun it modifies.
This is the primary rule. When multiple words team up to describe a noun that follows immediately after, a hyphen links them to show they are a single descriptive unit. This prevents misreading. For example, 'a high-school student' is a student in high school, whereas 'a high school student' could be a tall student in any school.
The Post-Noun Position Exception
Do not hyphenate a compound adjective when it comes *after* the noun it modifies, often following a linking verb.
When the same descriptive words appear after the noun, the relationship is usually clear without a hyphen. The sentence structure itself connects them. For example, 'The student...
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Challenging
Read the following excerpt from a literary review and identify the sentence containing a hyphenation error. (1) The author's critically acclaimed work is a must-read. (2) It is a thought-provoking look at the rapidly-changing social landscape of the early-twentieth century. (3) The main character is a twenty-year-old woman who feels out of place. (4) Her journey is deeply moving and her decisions are often hard to predict.
A.Sentence (1)
B.Sentence (2)
C.Sentence (3)
D.Sentence (4)
Challenging
What is the core grammatical principle that justifies the use of a suspensive hyphen in a phrase like 'mid- and late-century literature'?
A.It indicates that 'mid' is an abbreviation of a longer word.
B.It is a stylistic choice to create a poetic rhythm in the sentence.
C.It prevents repetition by linking parallel adjectival phrases to a common head noun, showing that 'mid' and 'late' both modify 'century'.
D.It signals that the two adjectives are coordinate and could be separated by 'and'.
Challenging
The phrase 'old-fashioned' is often hyphenated in the predicate, as in 'Her worldview was old-fashioned.' This appears to violate the Post-Noun Position Exception. What is the most accurate explanation for this exception to the rule?
A.The rule only applies to adjectives created from verbs.
B.All adjectives related to time are always hyphenated.
C.'Old-fashioned' has become a permanent or fixed compound adjective, treated as a single word that is always hyphenated, regardless of its position.
D.The Post-Noun Position Exception is an outdated rule and no longer applies in modern English.
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