5.4 Modifiers, Parallelism, and Parts of Speech

Key Takeaways

  • Place modifiers next to the words they describe; misplaced modifiers attach the wrong meaning to the wrong noun or verb.
  • A dangling modifier has nothing logical in the sentence to modify—usually fix by adding the actor who did the action.
  • Use parallel structure for items in a list and for correlative pairs such as not only…but also and either…or.
  • Know the functional parts of speech—noun, verb, adjective, adverb—and how a word's job in the sentence determines its label on TEAS identification items.
  • Prefer active voice when it names the actor clearly; use passive when the actor is unknown or the receiver deserves focus—but never at the cost of clarity.
Last updated: August 2026

Clarity Tools Beyond Agreement and Tense

Even with correct agreement and tense, a sentence can fail if modifiers attach to the wrong word, list items refuse to match form, or voice hides the actor. TEAS Knowledge of Language items also ask you to identify parts of speech by function—not by memorizing one dictionary label for every word. This section ties modifiers, parallelism, word-class identification, and active/passive choice to clear academic and healthcare writing.

What Is a Modifier?

A modifier is a word, phrase, or clause that describes or limits another word. Adjectives modify nouns; adverbs modify verbs, adjectives, or other adverbs; phrases and clauses can act as either.

Modifier typeExampleWhat it modifies
Single adjectivea sterile fieldfield
Single adverbchecked the dose carefullychecked
Prepositional phrasethe syringe on the countersyringe
Participial phraseReviewing the labs, the nurse…the nurse (must be the one reviewing)
Relative clausethe patient who has diabetespatient

Misplaced Modifiers

A misplaced modifier is too far from the word it should describe, so the sentence seems to say something unintended.

Misplaced: The nurse served the meal to the patient on a paper tray. (Is the patient on a paper tray?)

Clear: The nurse served the patient the meal on a paper tray. / The nurse served the meal on a paper tray to the patient.

Misplaced: She almost charted for twelve hours. (Did she nearly chart, or chart nearly twelve hours?)

Clear: She charted for almost twelve hours.

MisplacedProblemRepair strategy
only, almost, nearly, just in the wrong spotScope of the limiter changesPlace the limiter next to the word it limits
Prepositional phrase after the wrong nounComic or dangerous misreadingMove phrase beside the intended noun
Long interrupter between modifier and headReader attaches modifier earlyKeep modifier and head adjacent

Healthcare clarity example: "The aide wheeled the patient who was sleeping into the elevator" is clearer than "…wheeled the patient into the elevator who was sleeping" if the relative clause must modify patient without looking as though it modifies elevator.

Dangling Modifiers

A dangling modifier opens with a descriptive phrase that has no logical subject in the main clause.

Dangling: Checking the medication label, the error was caught. (The error did not check the label.)

Fixed: Checking the medication label, the student caught the error.
Fixed: When the student checked the medication label, the error was caught.

Dangling: To prevent falls, nonslip socks were provided. (Who acted to prevent falls—the socks?)

Better: To prevent falls, the staff provided nonslip socks.

Test: After an introductory -ing, -ed, or to phrase, the next noun (the subject of the main clause) should be the one doing that action or purpose.

Parallelism

Parallel structure means items that play the same role share the same grammatical form: all nouns, all -ing forms, all clauses, all infinitives, and so on.

Lists

Not parallel: The orientation covered charting, how to use the pump, and medication safety.
Parallel: The orientation covered charting, pump use, and medication safety.
Parallel: The orientation covered how to chart, how to use the pump, and how to give medications safely.

List patternParallel example
Gerundsassessing, documenting, reassessing
Infinitivesto assess, to document, to reassess
Noun phrasespain assessment, wound care, discharge teaching
Full clausesShe assessed pain; she documented findings; she reassessed later.

Correlative Pairs

Balance both sides of paired conjunctions:

PairParallel pattern
not only…but alsonot only verb but also verb / not only noun but also noun
either…orsame form after each
neither…norsame form after each
both…andsame form after each
whether…orsame form after each

Not parallel: The policy not only requires dual signatures but also a second nurse.
Parallel: The policy not only requires dual signatures but also requires a second nurse.
Parallel: The policy requires not only dual signatures but also a second nurse.

TEAS trap: The first half starts with a verb phrase and the second half switches to a bare noun—or one side includes an extra word the other side lacks.

Parts of Speech by Function

TEAS identification items care about what the word is doing in this sentence, not only its most common dictionary class.

ClassFunctionExamples in clinical sentences
Nounperson, place, thing, idea (subject/object)Nurse, clinic, protocol, pain
Pronounreplaces a nounshe, they, who, anyone
Verbaction or stateassesses, is, have documented
Adjectivemodifies a nounsterile, acute, three
Adverbmodifies verb/adjective/adverbcarefully, very, often, well
Prepositionbegins a phrase relating a noun to the sentencein, on, after, between
Conjunctionjoins words/phrases/clausesand, but, because, although
Interjectionemotion burst (rare on TEAS stems)Oh, yes

Same Word, Different Jobs

WordAs nounAs verbAs adjective
patientThe patient is stable.(rare)a patient listener
woundClean the wound.The blast wounded three workers.wound care (noun adjunct / adjectival use)
checkRun a safety check.Check the label.a check valve (noun adjunct)
earlythe early shift (in arrived early, the same word is an adverb)

Noun adjuncts: A noun can modify another noun (blood pressure, fall risk, medication pass). On many tests, that first noun is still labeled a noun used attributively, or the item may call the whole unit a noun phrase—read the options carefully.

Adverb vs. adjective trap: She feels bad (adjective after linking verb describing the subject) vs. She performed badly (adverb modifying the verb). After look, feel, seem, appear, choose an adjective for the subject's state unless you mean manner of action.

Active vs. Passive Voice

VoicePatternExample
ActiveActor + verb + receiverThe nurse gave the injection.
PassiveReceiver + form of be + past participle (+ optional by actor)The injection was given (by the nurse).

Prefer active when clarity about the actor matters—common in procedures, accountability, and TEAS "clearest sentence" stems:

  • Active: The pharmacist verified the dose.
  • Passive (weaker if actor matters): The dose was verified.

Passive is useful when:

  • The actor is unknown: The specimen was left unattended.
  • The receiver is the focus: The patient was transferred to ICU.
  • You intentionally de-emphasize the actor in a formal description.

Clarity rule: Do not use passive to hide responsibility in a way that confuses the timeline, and do not mix voices needlessly inside a parallel list (The nurse assessed the wound, cleaned the site, and a dressing was applied—break parallel voice; better: …and applied a dressing).

Integrated Repair Drill

  1. Misplaced: Instruct the patient to take one tablet on an empty stomach with a full glass of water carefully.
    → Move carefully next to the verb it modifies, or rewrite: Carefully instruct… / take… carefully if manner of taking is meant—decide meaning first, then place the adverb.

  2. Dangling: After finishing the infusion, the IV site was assessed.
    After finishing the infusion, the nurse assessed the IV site.

  3. Parallelism: Goals include mobility, to reduce pain, and patients will sleep.
    improving mobility, reducing pain, and increasing sleep (or three full clauses).

  4. Voice: If the stem asks who acted, choose active naming the professional role.

Exam Strategy

  1. For modifiers, draw a line from the descriptive phrase to the nearest plausible noun—if the meaning is absurd, the modifier is misplaced or dangling.
  2. For lists and not only…but also, label the form of each side (noun/verb/clause) and force a match.
  3. For parts of speech, ask what job the word does here.
  4. For voice, ask whether the actor must be visible for the sentence to be clear.
  5. Prefer the option that is grammatical and means what a careful clinical reader would intend.

These clarity tools complete the grammar core of Knowledge of Language: agreement, pronouns, tense, and the sentence-level polish that keeps meaning sharp under TEAS timing.

Test Your Knowledge

Which sentence avoids a dangling modifier?

A
B
C
D
Test Your Knowledge

Which list is parallel in structure?

A
B
C
D
Test Your Knowledge

In the sentence "The nurse assessed the wound carefully," what is the part of speech of carefully?

A
B
C
D
Test Your Knowledge

Which sentence is clearest and most appropriate when the actor matters?

A
B
C
D