6.2 Parts of Speech, Word Family Suffixes & Comparatives

Parts of Speech & Word Family Suffixes

Word form questions are a regular part of TOEIC Bridge Reading Part 1: in ETS's published sample test, about five of the 15 Part 1 items turn on choosing the right form of one word (for example, an adverb ending in -ly or a comparative adjective). In these questions, all four options share the same root word (such as compete, competition, competitive, competitively). Rather than testing lexical meaning, word form items evaluate your structural understanding of English syntax. Your primary task is to identify what part of speech belongs in the sentence blank by analyzing the surrounding grammatical environment—a diagnostic technique called syntactic slot analysis.

Syntactic slot analysis relies on the fact that English follows consistent word-order conventions (primarily Subject-Verb-Object). By examining the grammatical role of the missing word and the words positioned immediately to its left and right, test takers can determine the required part of speech before reading the choices. Recognizing standard derivational suffixes then allows instant selection of the correct option.

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Syntactic Positions of the Four Major Word Classes

To identify which grammatical class fits into a blank, examine where nouns, verbs, adjectives, and adverbs operate within English sentences.

1. Nouns: Naming Entities and Concepts

A noun functions as the conceptual anchor of a phrase and appears in four standard environments:

• Sentence Subject: Placed before the predicate verb ("Customer ______ is our top priority." $\rightarrow$ satisfaction).
• Direct Object: Following a transitive action verb ("The supervisor reviewed the ______." $\rightarrow$ proposal).
• Object of a Preposition: Following prepositions such as for, in, with, of, about ("Thank you for your ______." $\rightarrow$ patience).
• Determiner Environment: Immediately following articles (a, an, the), possessives (my, our, their), demonstratives (this, that), or quantifiers (many, several, all).

2. Verbs: Expressing Actions and States

Verbs communicate what the subject does or experiences:

• Predicate Position: Placed directly after the subject ("The director ______ the contract yesterday." $\rightarrow$ signed).
• Following Modal Auxiliaries: After modals (can, could, should, must, will), English requires a base verb ("Employees must ______ identification badges." $\rightarrow$ wear).
• Infinitive Structures: Following the particle to ("The manager called a meeting to ______ the protocol." $\rightarrow$ explain).

3. Adjectives: Modifying Nouns

Adjectives describe or restrict nouns:

• Attributive Position: Positioned directly before a noun ("The firm hired an ______ accountant." $\rightarrow$ experienced).
• Predicative Position: Positioned after linking verbs such as be (is/are/was), seem, appear, become, look ("The operating instructions were remarkably ______." $\rightarrow$ clear).
• Distinguishing Participle Adjectives: When a verb takes an adjective form, choose between the present participle (-ing) and past participle (-ed). An -ing adjective describes the cause (an interesting presentation), whereas an -ed adjective describes the receiver feeling the condition (an interested investor).

4. Adverbs: Modifying Verbs, Adjectives, and Clauses

Adverbs characterize manner, degree, frequency, or certainty, typically ending in -ly:

• Modifying Verbs: Describing how an action is performed ("The technician ______ inspected the valves." $\rightarrow$ carefully).
• Modifying Adjectives: Qualifying an adjective's degree ("The workshop was ______ beneficial." $\rightarrow$ extremely).
• Modifying Other Adverbs: Modulating adverbial intensity ("The driver arrived ______ quickly." $\rightarrow$ very).
• Sentence-Initial Position: Modifying an entire clause ("______, the scheduled flight was delayed." $\rightarrow$ Unfortunately).

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High-Frequency Derivational Suffixes

Derivational suffixes change the grammatical classification of a root word. Recognizing these endings allows you to categorize choices instantly:

Adjective Exceptions: A few common words end in -ly but function as adjectives: friendly, costly, timely, orderly, daily, weekly. In the phrase "a timely response", timely is an attributive adjective modifying response.

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High-Frequency Word Family Sets

Familiarity with recurring morphological families helps test takers navigate options effortlessly:

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Comparatives and Superlatives in Word-Form Items

A word-form item can also test how adjectives compare things. ETS's sample test includes a sentence comparing two people's work schedules with than, where the answer is the comparative adjective, not the comparative adverb.

Two clues decide these items quickly:

1. The word than requires a comparative (cheaper than, more expensive than). The word the plus a group (of all the stores, in the city) usually requires a superlative.
2. The verb before the blank still decides adjective or adverb. After be, seem or look you need an adjective: The new bus is quicker than the old one. After an action verb you need an adverb: The new bus travels more quickly than the old one.

Words such as much, far and a little can strengthen a comparative: much cheaper, a little more expensive. They never go with the base adjective (much cheap is wrong).

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The Four-Step Slot Diagnosis Protocol

To solve word form items within the 30-second target, execute this sequence:

1. Step 1: Isolate the Blank's Neighbors: Look at the words directly before and after the blank.
2. Step 2: Identify the Syntactic Slot:
   • Preceded by an article (the) and followed by a preposition (of) $\rightarrow$ noun (the [success] of).
   • Preceded by an article (a) and followed by a noun (colleague) $\rightarrow$ adjective (a [reliable] colleague).
   • Placed between an auxiliary (has) and a past participle (completed) $\rightarrow$ adverb (has [successfully] completed).
3. Step 3: Classify Suffixes in the Options: Group choices by suffix into noun, verb, adjective, or adverb.
4. Step 4: Verify and Confirm: Insert the chosen form to verify that it creates a grammatically sound sentence.

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Realistic Part 1 Illustrated Walkthrough

Test Item:
The factory floor manager monitored the assembly process ______ to ensure safety regulations were followed.
(A) closely
(B) closeness
(C) close
(D) closing

Step-by-step grammatical analysis:

1. Analyze Clause Structure: The subject is "The factory floor manager", the verb is "monitored", and the direct object is "the assembly process".
2. Diagnose the Missing Slot: The clause contains a full Subject-Verb-Object complement. The blank follows the object and modifies the action verb monitored (answering how it was monitored). Modifying a verb requires an adverb.
3. Inspect Suffixes:
   • Option (A) closely has the adverb suffix -ly.
   • Option (B) closeness has the noun suffix -ness.
   • Option (C) close is an adjective or verb.
   • Option (D) closing is a participle or gerund.
4. Conclusion: The adverb closely correctly modifies monitored. Option (A) is correct.