Spotting Clause Errors in Exams

Welcome to the final boss fight of our journey through clauses. In the previous chapter, we mastered the strict, mathematical rules of the four types of conditional clauses. Now, it is time to take everything you have learned about independent clauses, dependent clauses, and relative pronouns, and apply it to the real world of competitive exams.

When you sit in an exam hall, the examiner is not just going to ask you, "What is a clause?" Instead, they are going to hide grammatical errors in plain sight, using long, complex clauses as camouflage. They know that when a sentence stretches across three lines of text, your brain naturally gets tired, loses track of the subject, and stops paying attention to the smaller words.

In this chapter, we are going to learn how to read a sentence like an examiner. We will break down the three most common traps set for you: the misplaced modifier, the long-distance subject-verb agreement error, and the ultimate showdown between who and whom.

Grab a cup of chai, clear your mind, and let us learn how to dismantle these sentences piece by piece.

The Misplaced Modifier: When Adjective Clauses Wander Off

An adjective clause (also called a relative clause) is a dependent clause that acts like a giant adjective. Its entire job is to describe a noun.

There is one golden rule for adjective clauses: they must sit immediately next to the noun they are describing. This is known as the Rule of Proximity. When an adjective clause wanders too far away from its noun, it accidentally attaches itself to the wrong word. This creates a "misplaced modifier," which often results in a sentence that is unintentionally hilarious—and grammatically wrong.

Let us look at a classic example of how this appears in an exam:

The police arrested the thief for stealing a television who was wearing a black mask.

Read that sentence literally. What does the adjective clause "who was wearing a black mask" describe? Because it is placed right next to the word "television," the sentence is technically telling us that the television was wearing a black mask.

The examiner knows exactly what they are doing here. Your brain automatically autocorrects the sentence because you know televisions do not wear masks. You understand the meaning, so you skip right past the grammar. But in an exam, grammar is what gets you the marks.

To fix this, we must move the adjective clause so it touches the noun it actually modifies (the thief):

Correct: The police arrested the thief who was wearing a black mask for stealing a television.

How to Spot Misplaced Adjective Clauses

When you are doing a "Spot the Error" section, train your eyes to look for relative pronouns: who, which, that, whom, whose. The moment you see one of these words, stop reading and ask yourself: What noun is immediately to the left of this word?

Let us try another one:

Rahul bought a car for his sister that has a sunroof and alloy wheels.

1. 1Spot the relative pronoun: that.
2. 2Look at the noun immediately to the left: sister.
3. 3Ask the logical question: Does the sister have a sunroof and alloy wheels? No. The car does.
4. 4The clause is misplaced.

The Fix: Bring the clause next to "car."

Correct: Rahul bought a car that has a sunroof and alloy wheels for his sister.

Subject-Verb Agreement Traps: The Long-Distance Relationship

The most fundamental rule of English grammar is that a subject and its verb must agree in number. If the subject is singular, the verb must be singular. If the subject is plural, the verb must be plural.

The dog barks. (Singular subject, singular verb) The dogs bark. (Plural subject, plural verb)

This is easy when the subject and verb are standing right next to each other. But examiners will rarely give you a sentence this simple. Instead, they will use a massive dependent clause to physically separate the main subject from the main verb. By the time you reach the verb at the end of the sentence, they hope you have forgotten whether the subject at the beginning was singular or plural.

Let us look at a trap:

The box of imported chocolates, which were sitting on the kitchen counter for three days, are missing.

Does this sound correct? To many students, it does. The word right before the verb "are" is "days" (plural). The word right before the verb "were" is "chocolates" (plural). It sounds perfectly natural.

But let us strip away the camouflage. The core sentence—the main independent clause—is about the box. "Of imported chocolates" is just a prepositional phrase. "Which were sitting on the kitchen counter for three days" is an adjective clause describing the chocolates.

If we cross out all the extra information, we are left with:

The box ... are missing.

Suddenly, the error is glaringly obvious. "Box" is singular, so the verb must be "is". Furthermore, the adjective clause inside the commas is modifying "chocolates", so the verb inside the clause ("were") is actually correct. Wait, let's look closer at the main verb.

Correct: The box of imported chocolates, which were sitting on the kitchen counter for three days, is missing.

The "Mental Brackets" Technique

To defeat this trap, you need to learn how to mentally bracket off dependent clauses and prepositional phrases. When you are hunting for subject-verb agreement errors, you must isolate the main subject and the main verb.

Let us apply this to a tough exam question:

The manager, along with his team of twenty software developers who work in the new office building, have decided to delay the project launch.

1. 1Find the main verb: have decided.
2. 2Find the true subject: Who decided? The manager. (Note: phrases starting with "along with," "as well as," or "in addition to" do NOT make a subject plural. The subject is just "The manager").
3. 3Bracket the noise: The manager, [along with his team of twenty software developers who work in the new office building], have decided...
4. 4Read without brackets: The manager have decided...
5. 5Check agreement: "Manager" is singular. "Have" is plural. This is an error. It should be "has decided."

The "One of the..." Trap

There is a very specific, highly advanced subject-verb agreement trap involving clauses that appears in almost every major competitive exam. It involves the phrase "one of the."

Look at this sentence:

Priya is one of the students who is/are participating in the debate.

Which verb is correct? Is or are?

Most students choose "is" because they think the subject is "Priya" or "one." They think: "Priya is participating, so it must be singular."

But let us look at the grammar mechanically. The word "who" is a relative pronoun. It introduces an adjective clause. What noun is "who" modifying? It modifies the noun immediately before it: students.

There is a whole group of students who are participating. Priya happens to be one of them. Because "who" refers to the plural "students," the verb inside the clause must also be plural.

Correct: Priya is one of the students who are participating in the debate.

The Ultimate Showdown: Who vs. Whom

If there is one grammar rule that strikes fear into the hearts of aspirants, it is the difference between who and whom. In casual spoken English, most people just use "who" for everything. But in an exam, mixing them up is a guaranteed lost mark.

The rule itself is actually very simple:

• Who is a subject pronoun. It does the action. (Like I, he, she, we, they).
• Whom is an object pronoun. It receives the action, or it follows a preposition. (Like me, him, her, us, them).

Level 1: Basic Application

Let us look at a simple sentence:

The man (who/whom) stole my wallet was caught.

Isolate the clause: (who/whom) stole my wallet. Try the substitution: Did he steal my wallet, or did him steal my wallet? He stole it. Therefore, we use who.

The man who stole my wallet was caught.

Now look at this one:

The man (who/whom) I saw at the bank was caught.

Isolate the clause: (who/whom) I saw at the bank. Rearrange it to make a normal sentence: I saw (he/him) at the bank. You would say: I saw him. Therefore, we use whom.

The man whom I saw at the bank was caught.

Level 2: Prepositions

This is an easy rule to remember: if the relative pronoun comes immediately after a preposition (to, for, with, about, from), it will almost always be whom. Prepositions take objects.

• The teacher to whom I submitted my paper is strict. (Not: to who)
• The colleagues with whom she traveled were very supportive. (Not: with who)

Level 3: The "Injected Thought" Trap (Advanced)

This is where the examiner brings out the heavy artillery. They will give you a sentence that looks like it needs "whom," but actually needs "who." They do this by injecting a small thought—like I think, we believe, she says, they hope—into the middle of the clause.

Look at this sentence:

We are looking for a candidate (who/whom) we believe has excellent leadership skills.

Most students see "we believe" and think, "Ah! We is the subject, believe is the verb, so the pronoun must be the object. I will choose whom."

Let us test that logic. If we choose whom, the clause is: whom we believe has excellent leadership skills. Try the substitution trick. Do we say: We believe him has excellent leadership skills? No! We say: We believe he has excellent leadership skills.

Because "he" is correct, the answer must be who.

The easiest way to solve these is to temporarily cross out the injected thought (we believe, I think, they say).

Let us try it:

We are looking for a candidate (who/whom) ~~we believe~~ has excellent leadership skills.

Now read what is left: (who/whom) has excellent leadership skills. Does he have them, or does him have them? He has them.

Correct: We are looking for a candidate who we believe has excellent leadership skills.

Let us do one more to cement this:

The police arrested the man (who/whom) the witness claimed was holding the weapon.

1. 1Spot the injected thought: the witness claimed.
2. 2Cross it out: The police arrested the man (who/whom) ~~the witness claimed~~ was holding the weapon.
3. 3Look at what is left: (who/whom) was holding the weapon.
4. 4Substitute: He was holding the weapon.
5. 5Correct: The police arrested the man who the witness claimed was holding the weapon.

Other Relative Pronoun Mismatches

While who and whom get all the attention, examiners also test your ability to match the correct relative pronoun to the correct type of noun.

1. Who vs. Which / That

• Who / Whom can ONLY be used for people.
• Which can ONLY be used for things and animals.
• That can be used for people, things, and animals (though in formal exam English, it is safer to use who for people and that for things).

Exam Trap:

The dog who bit the postman was taken away.

In everyday conversation, we treat our pets like people and use "who." But in strict exam grammar, an animal is a "which" or a "that" unless it is specifically named and personified (e.g., "Tommy, who is a good boy...").

Correct: The dog that bit the postman was taken away.

Exam Trap:

The committee, who met yesterday, decided to raise taxes.

A committee is a collective noun representing a single entity (a thing), not an individual person.

Correct: The committee, which met yesterday, decided to raise taxes.

2. Whose vs. Who's

This is a spelling and contraction trap, but it appears frequently in clause error questions.

• Whose shows possession (belonging to whom).
• Who's is a contraction for "who is" or "who has".

Exam Trap:

The author who's book won the award is speaking tonight.

Does the sentence mean "The author who is book won"? No. It means the book belonging to the author. We need the possessive form.

Correct: The author whose book won the award is speaking tonight.

Dangling Clauses (When the Subject is Missing)

We talked about misplaced adjective clauses earlier. Now let us look at a similar error involving adverb clauses: the dangling modifier.

Sometimes, a sentence starts with a dependent clause that describes an action, but the writer forgets to put the person doing the action in the main clause.

While walking to the college, the rain started pouring heavily.

Let us break this down. Dependent clause: While walking to the college Main clause: the rain started pouring heavily.

The rule of grammar says that the subject of the main clause is the one performing the action in the introductory dependent clause. So, according to this sentence, the rain was walking to the college.

This is a dangling clause because the true subject (the person walking) is missing from the main clause. To fix it, we must make sure the person doing the walking is the subject of the main clause.

Correct: While walking to the college, I got caught in the heavy rain. Alternative Fix: While I was walking to the college, the rain started pouring heavily.

Worked Examples: Step-by-Step Solutions

Let us put everything we have learned into practice. Here are four exam-style sentences. We will walk through the exact thought process required to spot and fix the errors.

Question 1: Identify the error in the following sentence: "The new software update, which was designed by a team of engineers who works in the Bangalore office, have caused several computers to crash."

Step-by-Step Solution:

1. 1Scan for relative pronouns: I see "which" and "who".
2. 2Check the adjective clauses:

• "...which was designed..." modifies "update". Correct.
• "...who works..." modifies "engineers". Wait! "Engineers" is plural. Therefore, the verb inside the clause must be plural. It should be "who work". (Error 1 found).

1. 1Check main subject-verb agreement: Use the mental brackets technique.

• The new software update, [which was designed by a team of engineers who work in the Bangalore office], have caused...
• Strip the brackets: The new software update have caused...
• "Update" is singular. The verb should be "has caused". (Error 2 found).

Corrected Sentence: "The new software update, which was designed by a team of engineers who work in the Bangalore office, has caused several computers to crash."

Question 2: Identify the error in the following sentence: "The company decided to promote the employee whom they felt had demonstrated the most dedication during the crisis."

Step-by-Step Solution:

1. 1Scan for relative pronouns: I see "whom". This is an immediate red flag. I need to test if it should be "who".
2. 2Isolate the clause: "...whom they felt had demonstrated the most dedication..."
3. 3Look for injected thoughts: I see "they felt". This is an opinion phrase injected into the clause.
4. 4Cross it out: "...whom ~~they felt~~ had demonstrated..."
5. 5Apply the He/Him test: Do we say him had demonstrated or he had demonstrated? We say he. Therefore, the pronoun must be a subject pronoun.

Corrected Sentence: "The company decided to promote the employee who they felt had demonstrated the most dedication during the crisis."

Question 3: Identify the error in the following sentence: "He is one of those rare politicians who listens to the grievances of the common people."

Step-by-Step Solution:

1. 1Scan for relative pronouns: I see "who".
2. 2Check the antecedent: What noun is "who" modifying? It comes immediately after "politicians".
3. 3Check the verb inside the clause: The verb is "listens" (singular). But "who" refers to "politicians" (plural).
4. 4Recall the rule: In the "one of the [plural noun] who..." structure, the verb must match the plural noun.

Corrected Sentence: "He is one of those rare politicians who listen to the grievances of the common people."

Question 4: Identify the error in the following sentence: "Covered in mud and shivering from the cold, the warm blanket was exactly what the rescued puppy needed."

Step-by-Step Solution:

1. 1Identify the introductory clause/phrase: "Covered in mud and shivering from the cold..."
2. 2Identify the subject of the main clause: "...the warm blanket..."
3. 3Test the logic: Was the warm blanket covered in mud and shivering? No. The puppy was. This is a dangling modifier. The subject of the main clause must be the puppy.

Corrected Sentence: "Covered in mud and shivering from the cold, the rescued puppy exactly needed the warm blanket." (Or: "...the rescued puppy was grateful for the warm blanket.")

Quick Revision

Before you head into the exam, keep these high-yield rules fresh in your mind:

• The Rule of Proximity: An adjective clause must sit immediately next to the noun it describes. If it is too far away, it is a misplaced modifier.
• Mental Brackets: To check subject-verb agreement, put brackets around long dependent clauses and prepositional phrases. Read the sentence without them to see if the main subject and main verb match.
• The "One of the" Rule: In the phrase "one of the [plural noun] who [verb]", the verb must be PLURAL because "who" refers to the plural noun, not the word "one". (e.g., One of the boys who play...)
• Who vs. Whom: Use the He/Him trick. If you can substitute "He", use Who (Subject). If you can substitute "Him", use Whom (Object).
• The Injected Thought Trap: If you see phrases like I think, we believe, they say right after who/whom, mentally cross them out before applying the He/Him test.
• Prepositions take Whom: If the relative pronoun comes directly after a preposition (to, for, with), it is almost always whom (e.g., The person to whom I spoke).
• People vs. Things: Use who/whom for people. Use which/that for things, animals, and collective nouns (like committees or teams).
• Dangling Clauses: Ensure the subject of your main clause is the actual person or thing performing the action described in the introductory dependent clause.