What Is a Predicate in Grammar? Types & Examples

Grammar worksheets have a way of using "predicate" to mean the verb in one exercise and nearly the entire sentence in the next — which isn't a teaching error so much as a genuine ambiguity in how the term gets applied. If you've noticed that inconsistency, you're already asking the right question. Pinning down what a predicate actually is clears it up quickly, and the payoff is practical: cleaner sentences, fewer fragments, and a sharper eye when you're editing your own drafts. This guide covers every predicate type, walks through a reliable two-question test for finding predicates in tricky sentences, and — most usefully — breaks down four specific errors that show up in polished copy but that a light proofread consistently misses.

Predicate, Defined in Plain English

Merriam-Webster defines a predicate as "the part of a sentence or clause that expresses what is said of the subject and that usually consists of a verb with or without objects, complements, or adverbial modifiers." The plain version: the predicate is the engine of the sentence. The subject is the car; the predicate is what the car actually does.

Take this simple example:

• The dog / barked all night at the neighbor's cat.

Subject: The dog. Predicate: barked all night at the neighbor's cat. The predicate includes the verb (barked) plus everything else that fills out the action — the time (all night) and the target (at the neighbor's cat).

One thing that trips people up early: textbooks sometimes use "predicate" to mean only the verb, and other times to mean the verb plus all its attached words. The practical middle ground treats the predicate as the tensed verb together with everything attached to it, which covers both interpretations without contradiction. The verb is the core; everything clustered around it is part of the predicate too.

The non-negotiable rule is simple: no verb, no predicate; no predicate, no sentence. A group of words with a subject but no predicate is a fragment. "The exhausted runner" tells us what something is but says nothing about it. Add a predicate — "collapsed at the finish line" — and you have a complete thought.

You might also see "predicate" used in logic, where it means something affirmed or denied about a subject ("Socrates is mortal" — "is mortal" is the logical predicate). The grammatical use is structurally related but distinct: grammar cares about sentence structure, not logical propositions. For everyday writing purposes, the grammatical definition is the one that matters.

Simple, Compound, and Complete Predicates

The three types aren't competing definitions — they're nested layers of the same sentence part. Think of them as concentric rings.

Simple Predicate

The simple predicate is the main verb or verb phrase, stripped of any modifiers or objects. It's the action or state in its barest form.

• She has been running every morning since January. — Simple predicate: has been running
• The committee voted against the proposal. — Simple predicate: voted

Notice that a verb phrase like has been running counts as a single simple predicate. The helping verbs are part of the package.

Complete Predicate

The complete predicate is the simple predicate plus everything else that goes with it: direct objects, indirect objects, prepositional phrases, adverbs, and any other modifiers.

• She has been running every morning since January. — Complete predicate: has been running every morning since January
• The committee voted against the proposal at last Tuesday's meeting. — Complete predicate: voted against the proposal at last Tuesday's meeting

Compound Predicate

A compound predicate has two or more verbs (or verb phrases) that share the same subject, typically joined by a coordinating conjunction like and, or, or but.

• She laced up her shoes and walked out the door.
• The report summarized the findings, challenged the methodology, and recommended a follow-up study.

A common mistake: writers confuse a compound predicate with two separate sentences joined by a comma. "She laced up her shoes, walked out the door" needs either a conjunction or a period — the comma alone creates a comma splice.

How to Find the Predicate in Any Sentence

Let's walk through the two-question test on some genuinely tricky examples.

Long sentence with a heavy subject:
The new policy on remote work that management introduced last quarter affects every salaried employee.

• Who or what is this sentence about? The new policy on remote work that management introduced last quarter (that whole noun phrase is the subject)
• What does it do? affects every salaried employee (predicate)

The mistake here is almost always to grab "introduced" as the main verb, since it appears early. But "introduced" lives inside a relative clause that modifies "policy" — it's not the sentence's main predicate verb. The main verb is "affects."

Question (inverted word order):
Has the team finished the report?

• Rearrange it mentally: The team has finished the report.
• Subject: the team
• Predicate: has finished the report

In questions, English moves the auxiliary verb before the subject. The predicate is still "has finished the report" — it just gets split by the subject in the original word order.

Imperative sentence:
Close the window before it rains.

• The subject is an implied "you" (understood but not spoken)
• Predicate: close the window before it rains

A follow-up question that comes up often: what if a sentence has more than one clause? Each clause has its own subject and predicate. In "She called, and I answered," called is the predicate of the first clause and answered is the predicate of the second. Each clause is a mini-sentence with its own predicate engine running.

Predicate vs. Verb: Not the Same Thing

Here's a concrete way to see the difference:

• The surgeon operated.
  Verb: operated
  Predicate: operated
  (Here, they happen to be the same thing — a rare case.)
• The surgeon operated for six hours on a patient with a rare arterial defect.
  Verb: operated
  Predicate: operated for six hours on a patient with a rare arterial defect

In the second sentence, "operated" is still just the verb — a single word. The predicate, though, is the entire phrase that tells what the surgeon did, how long, and on whom. The verb is the seed; the predicate is the whole plant that grows from it.

Technical linguistic usage narrows the definition further — treating objects and arguments as separate elements rather than parts of the predicate. Wikipedia notes that "predicate" is used in two ways: as everything in the clause except the subject, or as just the main content verb or predicative expression. For anyone writing or editing in English, the school grammar version (predicate = verb + everything that goes with it) is the operationally useful one.

What this means in practice: when you're checking subject-verb agreement, you're checking the relationship between the subject and the verb (the simple predicate). When you're checking whether a sentence expresses a complete thought, you're checking whether the full predicate makes sense — not just whether a verb exists. Both checks matter, and they're different checks.

Predicate Adjectives and Predicate Nominatives

Linking verbs are the key here. Unlike action verbs, which describe what a subject does, linking verbs connect the subject to a description or identity. The most common is be in all its forms (is, are, was, were, been, being), but others include seem, appear, become, feel, look, smell, sound, and taste.

Predicate Adjective Examples

• The coffee is too hot. — "hot" describes the subject "coffee" through the linking verb "is"
• The proposal seemed reasonable at first. — "reasonable" describes "proposal" through "seemed"
• After the long hike, everyone felt exhausted. — "exhausted" describes "everyone"

Predicate Nominative Examples

• My supervisor is a licensed architect. — "architect" renames "supervisor"
• The real problem was the timeline. — "timeline" renames and identifies "problem"
• Shakespeare became the most produced playwright in the English-speaking world. — the noun phrase renames "Shakespeare"

A subtle but useful point: predicate nominatives are in the nominative (subject) case. That's why it's technically correct to say "It is I" rather than "It is me" — though in everyday speech, almost everyone says "It is me," and prescriptive grammarians have largely accepted this. The formal rule comes directly from the predicate nominative requiring the subject case.

Writers often ask: how do you tell the difference between a predicate adjective and a regular adjective? Regular adjectives appear next to the noun they modify (the hot coffee). Predicate adjectives are separated from the noun by a linking verb (the coffee is hot). If you can move the adjective to sit right before the noun without changing the meaning, it's probably a regular attributive adjective, not a predicate adjective.

Four Predicate Errors That Survive Light Editing

These four errors share one trait: they survive spellcheck, they survive a read-aloud, and they often survive a first editorial pass. They're the kinds of errors that clear a first-pass proofread but surface on a structured second pass focused on predicate structure alone. Here's what each one looks like and how to fix it.

Error 1: Subject-Verb Agreement Breakdown in Long Sentences

When a long noun phrase separates the subject from its verb, the verb often gets pulled toward the nearest noun instead of the actual subject. This pattern appears most reliably in sentences where a prepositional phrase or relative clause intervenes between subject and verb — the writer's ear latches onto the closest noun when choosing the verb form.

Before: The results of the three-year study on employee satisfaction rates was inconclusive.
After: The results of the three-year study on employee satisfaction rates were inconclusive.

The subject is "results" (plural), not "rates." The predicate verb must agree with "results," not with the noun closest to it. The fix: identify the actual subject using the two-question test, then check that the verb matches it — not the nearest noun phrase. In practice, this error is most common when the intervening phrase ends in a singular noun, because the singular form sounds locally correct even when it's structurally wrong.

Error 2: Dangling Compound Predicate

A compound predicate has two verbs sharing one subject. The error happens when the second verb phrase logically requires a different subject than the first — but the sentence doesn't provide one. This construction appears frequently in drafts that mix passive and active voice within the same sentence, because the passive construction obscures who is performing the action.

Before: Having reviewed the contract, the terms were found to be unacceptable and the clause was flagged for revision.
After: Having reviewed the contract, the legal team found the terms unacceptable and flagged the clause for revision.

The original dangles because "having reviewed the contract" implies a person reviewing it, but the subject of the main clause is "the terms" — which can't review anything. The compound predicate "found... and flagged" needs a human subject throughout. The reliable fix is to make the agent explicit and keep both verbs in the same voice. When revising, read the participial phrase and ask: who is performing this action? If the answer isn't the grammatical subject of the main clause, the construction is dangling.

Error 3: Missing Predicate Disguised as a Sentence

Fragments with elaborate noun phrases feel like complete sentences because they're long and specific. They're not. This error is especially common at paragraph transitions, where a writer begins what reads like a topic sentence but inadvertently builds only a noun phrase — often because a relative clause or participial phrase creates the impression of verbal activity without supplying a main tensed verb.

Before: The revised procurement policy, which the board approved after three rounds of feedback and two legal reviews.
After: The revised procurement policy, which the board approved after three rounds of feedback and two legal reviews, takes effect on January 1.

The original has a subject ("policy") and a relative clause piled on top of it, but no main predicate verb. Adding "takes effect on January 1" gives the sentence its predicate and completes the thought. The diagnostic test: strip out every relative clause and participial phrase, then check whether the remaining core — subject plus whatever is left — contains a tensed main verb. If it doesn't, you have a fragment.

Error 4: Predicate-Tense Drift

This is the sneakiest of the four. A paragraph starts in past tense, and two or three sentences in, the predicate verbs quietly shift to present — without any signal that the time frame has changed. Tense drift is especially hard to catch on a general read-through because the shift often happens at a natural paragraph boundary, where a reader's attention resets.

Before: The team launched the product in March. Initial feedback was positive, and the sales numbers exceeded projections. Now the marketing team is pivoting to a new demographic without explaining why.
After: The team launched the product in March. Initial feedback was positive, and the sales numbers exceeded projections. The marketing team then pivoted to a new demographic without explanation.

Tense drift isn't always wrong — deliberate shifts from past narrative to present analysis are legitimate. The problem is unintentional drift that leaves the reader uncertain about when events happened. The most reliable fix is to read predicates in isolation across a paragraph: extract every tensed verb in sequence, ignoring all other content, and check whether tense shifts are intentional and signaled or accidental and confusing. Unmarked shifts — no "now," "currently," or other temporal signal — are almost always unintentional.

Quick Reference: Predicate Types at a Glance

A few practical notes for revision use:

• If you can't identify the simple predicate, you likely have a fragment. Find the main tensed verb first.
• If you have a compound predicate, check that both verbs logically share the same subject. If they don't, you may have a dangling construction (Error 2 above).
• If you have a predicate adjective or nominative, make sure the linking verb is actually a linking verb — not an action verb being misread. ("She ran tired" is not a predicate adjective construction; it's a miswritten adverb.)
• For tense drift: read all the tensed verbs in a paragraph in sequence, ignoring everything else. If the tenses shift unexpectedly, you've found Error 4.

Predicate structure connects to every level of editing, from sentence-level clarity to paragraph-level coherence. Getting it right is less about memorizing categories and more about building a habit of asking: what is the sentence's verb, and does everything else in the predicate support it cleanly? That question — asked deliberately, per sentence — catches most of the errors that slip through otherwise.

Frequently Asked Questions

What is a predicate in grammar, with an example?

A predicate is the verb-based part of a sentence that tells what the subject does, is, or feels, and it always contains at least one verb. In "The cat knocked the glass off the table," the predicate is "knocked the glass off the table" — the verb plus the object and modifying phrase. Every complete sentence needs a subject and a predicate; drop the predicate and you have a fragment.

What is the difference between a subject and a predicate?

The subject names who or what the sentence is about (a noun, pronoun, or noun phrase); the predicate says something about it — what it does, is, or is like — and always contains a verb. In "The city council rejected the proposal," "the city council" is the subject and "rejected the proposal" is the predicate.

Is the predicate always everything except the subject?

In school grammar, yes — the predicate is everything in the sentence except the subject. Technical linguistics uses "predicate" more narrowly (just the main verb or predicative expression), but for writing and editing the school-grammar definition — predicate = verb plus everything attached to it — is the more useful one, and it's what most grammar guides mean.

What makes a sentence a fragment, and how does the predicate relate?

A fragment is an incomplete sentence, and the most common cause is a missing predicate — specifically a missing tensed main verb. "The policy approved by the board last spring" has a subject but no main verb, so it can't stand alone; "...takes effect in July" completes it. The quickest check is the one in Error 3 above: strip the relative clauses and see whether a tensed main verb remains.

What is the difference between a predicate adjective and a regular adjective?

A regular (attributive) adjective sits right before its noun: "the cold water." A predicate adjective follows a linking verb and describes the subject from a distance: "The water is cold." The test: if a linking verb (is, seems, feels, appears, looks) sits between the adjective and the noun, it's a predicate adjective; if it's next to the noun, it's attributive.

How do compound predicates create editing risk, and how do you check them?

Compound predicates cause two errors: comma splices (when the conjunction is dropped) and dangling constructions (when the second verb needs a different subject than the first). The fast check: read each verb in the compound separately against the subject and ask whether the subject could plausibly do each action. If one doesn't fit, the predicate is dangling and needs a structural fix, not just punctuation.

Why does tense drift in predicates go undetected for so long?

Because readers process meaning, not verb forms, on a normal read-through — each sentence reads fine locally even when the paragraph shifts from past to present. The drift only surfaces when you read the tensed verbs in sequence, stripped of surrounding content (the Error 4 technique above), which forces the comparison a flowing read skips.