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AP English Language and Composition Practice Quiz: Sentence development and modifiers (coordination and subordination)

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 11 questions to check your progress.

Question 1 of 11

Which of the following sentences uses coordination to connect two independent clauses of equal importance?

All Questions (11)

Which of the following sentences uses coordination to connect two independent clauses of equal importance?

A) Although the team played well, they ultimately lost the championship game.

B) The sun was setting, so the birds began to sing their evening songs.

C) The student who won the award was praised by the principal.

D) Because the traffic was heavy, we arrived late to the concert.

Correct Answer: B

This sentence uses the coordinating conjunction 'so' to connect two independent clauses ('The sun was setting' and 'the birds began to sing their evening songs') that are presented as equally important ideas in a cause-and-effect relationship.

In the sentence, 'While the orchestra tuned its instruments, the audience settled into their seats,' the first clause ('While the orchestra tuned its instruments') is a subordinate clause because it...

A) expresses the most important idea in the sentence.

B) could stand alone as a complete sentence.

C) modifies the main clause and cannot stand alone as a complete thought.

D) is joined to the main clause by a coordinating conjunction.

Correct Answer: C

The clause begins with the subordinating conjunction 'While,' which makes it dependent on the main clause ('the audience settled into their seats'). It functions as an adverbial modifier, indicating when the action of the main clause occurred, and cannot stand by itself as a complete sentence.

A writer wants to combine the following two sentences to emphasize the scientist's discovery. Which revision best achieves this goal using subordination? Sentences: The experiment failed multiple times. The scientist finally made a breakthrough discovery.

A) The experiment failed multiple times, but the scientist finally made a breakthrough discovery.

B) Although the experiment failed multiple times, the scientist finally made a breakthrough discovery.

C) The experiment failed multiple times, and the scientist finally made a breakthrough discovery.

D) The scientist made a breakthrough discovery, and the experiment had failed multiple times.

Correct Answer: B

By using the subordinating conjunction 'Although,' this revision makes the repeated failures a secondary, concessive point. This structure places the primary rhetorical emphasis on the main clause: 'the scientist finally made a breakthrough discovery.'

Which of the following conjunctions is used to coordinate ideas, indicating that they are of equal rank or importance?

A) Because

B) Since

C) Yet

D) Unless

Correct Answer: C

'Yet' is one of the seven coordinating conjunctions (For, And, Nor, But, Or, Yet, So). It is used to connect two independent clauses of equal structural importance, typically to show contrast.

How does the use of subordination in the following sentence affect its meaning and emphasis? 'Because it provides essential nutrients and boosts the immune system, broccoli is considered a superfood.'

A) It presents the two ideas—providing nutrients and being a superfood—as equally significant.

B) It establishes the reasons for broccoli's status as a superfood, making the status the main point.

C) It de-emphasizes the idea that broccoli is a superfood by placing it in a dependent clause.

D) It creates a simple list of facts without indicating a relationship between them.

Correct Answer: B

The subordinating conjunction 'Because' introduces the reason or cause. This structure makes the dependent clause ('Because it provides...') the explanation, which serves to support and emphasize the main idea presented in the independent clause ('broccoli is considered a superfood').

A writer is revising a paragraph about the American Revolution. Which of the following sentences best uses coordination to create a sense of balance and parallel importance between two contrasting ideas?

A) While some colonists remained loyal to the British Crown, others passionately advocated for independence.

B) Some colonists remained loyal to the British Crown, yet others passionately advocated for independence.

C) Because some colonists remained loyal to the British Crown, others passionately advocated for independence.

D) The colonists who remained loyal to the British Crown were opposed by those who passionately advocated for independence.

Correct Answer: B

The coordinating conjunction 'yet' connects two independent clauses of equal grammatical weight. This structure creates a balanced, parallel contrast between the loyalists and the patriots, presenting both viewpoints as significant and opposing forces without subordinating one to the other.

A writer wants to revise the following sentence to de-emphasize the fact that the company faced financial challenges. Which revision best accomplishes this through subordination? Sentence: The company launched an innovative new product, and it had faced significant financial challenges last year.

A) The company launched an innovative new product, but it had faced significant financial challenges last year.

B) The company, which had faced significant financial challenges last year, launched an innovative new product.

C) The company faced significant financial challenges last year; however, it launched an innovative new product.

D) Facing significant financial challenges last year, the company launched an innovative new product.

Correct Answer: B

Placing the information about financial challenges within a non-restrictive subordinate clause ('which had faced...') makes it additional, non-essential information. The main, emphasized point of the sentence becomes the independent clause: 'The company... launched an innovative new product.'

Consider the following statement: 'The city council approved the new park.' A writer wants to add the fact that 'The approval process was controversial.' Which of the following revisions uses a subordinate clause to add the new information and imply a sense of concession or overcoming an obstacle?

A) The city council approved the new park, and the approval process was controversial.

B) Although the approval process was controversial, the city council approved the new park.

C) The city council approved the new park, a process that was controversial.

D) The approval process was controversial, so the city council approved the new park.

Correct Answer: B

The subordinating conjunction 'Although' creates a concessive relationship. It acknowledges the controversy (the obstacle) in the subordinate clause while emphasizing the final, successful outcome in the main clause. This structure best conveys the idea that the approval happened in spite of the controversy.

In effective writing, subordinate clauses often function as modifiers. What is the primary function of the subordinate clause in the sentence below? 'When the storm finally passed, the residents emerged to survey the damage.'

A) It modifies the noun 'residents' by describing them.

B) It modifies the verb 'emerged' by specifying when the action occurred.

C) It modifies the noun 'damage' by explaining its cause.

D) It serves as the main subject of the sentence.

Correct Answer: B

The subordinate clause 'When the storm finally passed' is an adverbial clause. It answers the question 'When?' in relation to the verb 'emerged' in the main clause, thus functioning as an adverb that modifies the verb.

A writer is crafting an argument about artistic integrity. Which sentence structure most effectively establishes a complex relationship where an artist's primary motivation is contrasted with a secondary, less important commercial concern?

A) The artist was driven by a unique creative vision, and she also needed to sell her paintings.

B) Driven by a unique creative vision, the artist also needed to sell her paintings.

C) While the need to sell paintings was a practical reality, the artist was fundamentally driven by a unique creative vision.

D) The artist was driven by a unique creative vision, but she also needed to sell her paintings.

Correct Answer: C

This option uses subordination ('While...') to frame the commercial need as a secondary, concessive point. This structure clearly subordinates the practical reality to the main clause, which contains the core argument about the artist's primary motivation ('a unique creative vision'). This creates the most nuanced and rhetorically effective emphasis compared to the other options, which use coordination or simple modification.

A writer's choice to use coordination rather than subordination to connect a series of events primarily affects the passage's...

A) grammatical correctness.

B) pacing and sense of sequence.

C) subject-verb agreement.

D) use of figurative language.

Correct Answer: B

Using coordination (e.g., 'He woke up, and he went downstairs, and he made coffee') often creates a faster pace and presents events as a simple, chronological sequence of equal weight. Subordination, in contrast, would create a more complex, analytical pace by establishing hierarchical relationships (e.g., 'After he woke up, he went downstairs because he wanted coffee'), altering the rhythm and focus.