Sentence Structure Practice Questions
ACT · ACT English · 149 free MCQs with instant results and detailed explanations.
149
Total
45
Easy
74
Medium
30
Hard
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Sample Questions from Sentence Structure
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which of the following sentences is correctly punctuated?
A.
I enjoy reading, swimming and hiking.
B.
I enjoy reading; swimming and hiking.
C.
I enjoy reading, swimming, and hiking.
D.
I enjoy reading swimming, and hiking.
Show Answer & Explanation
Correct Answer: C
Option C is correct because it correctly uses a serial comma before 'and' in a list of three items, making it clear that all three activities are separate interests.
Q2
Easy
Choose the sentence that is grammatically correct.
A.
Neither the students or the teacher were present.
B.
Either the cat or the dogs is responsible for the mess.
C.
Each of the players have their own locker.
D.
The group of friends are planning a trip.
Show Answer & Explanation
Correct Answer: B
Option B is correct because 'either/or' constructions take a singular verb, and 'is' agrees with the singular subject 'cat' and the plural 'dogs' as the second part of the subject.
Q3
Easy
Which of the following sentences uses correct parallel structure?
A.
She likes to swim, biking, and to run.
B.
He enjoys reading, writing, and to paint.
C.
My hobbies include hiking, swimming, and biking.
D.
They prefer to dance, singing, and to play music.
Show Answer & Explanation
Correct Answer: C
Option C is correct as it maintains parallel structure by using gerunds in a list ('hiking', 'swimming', 'biking'), ensuring that each item in the list follows the same grammatical form.
Q4
Medium
Which of the following sentences contains a grammatically incorrect structure?
A.
Neither the teacher nor the students were aware of the situation.
B.
Every one of the players have a chance to win.
C.
The committee make decisions for the benefit of the community.
D.
Either the manager or the employees have made a mistake.
Show Answer & Explanation
Correct Answer: B
The phrase 'Every one of the players have' is incorrect because 'every' is a singular subject, so it should be 'has'.
Q5
Medium
Which option best corrects the error in sentence structure? 'The book, which was written in 1990, that I borrowed from the library is fascinating.'
A.
The book that I borrowed from the library, which was written in 1990, is fascinating.
B.
The book, which I borrowed from the library, that was written in 1990 is fascinating.
C.
The book, which was written in 1990, I borrowed from the library is fascinating.
D.
The book that I borrowed from the library is fascinating, which was written in 1990.
Show Answer & Explanation
Correct Answer: A
Option A correctly places the non-restrictive clause 'which was written in 1990' after the relevant noun, clarifying the structure.
Q6
Medium
Select the sentence that demonstrates parallel structure correctly.
A.
She enjoys reading, skiing, and to hike in the mountains.
B.
He likes to play soccer, to swim, and biking on weekends.
C.
They prefer hiking, biking, and swimming during the summer.
D.
I want to travel, to explore new cultures, and experiencing adventures.
Show Answer & Explanation
Correct Answer: C
Option C maintains parallelism as all items in the list are in the gerund form, providing a uniform structure.
Q7
Medium
What is the best revision for the following sentence? 'Despite of the rain, we continued our picnic.'
A.
Despite the rain, we continued our picnic.
B.
In spite of the rain, we continued our picnic.
C.
Despite of the rainy weather, we continued our picnic.
D.
Even with the rain, we continued our picnic.
Show Answer & Explanation
Correct Answer: A
Option A is the best revision because it removes the unnecessary preposition 'of' after 'despite', making it grammatically correct.
Q8
Hard
Which of the following sentences contains a misplaced modifier?
A.
She almost drove her kids to school every day.
B.
Running late, the bus was missed by John.
C.
The teacher gave a surprise quiz to the students who were unprepared.
D.
He placed the book on the table that he borrowed from his friend.
Show Answer & Explanation
Correct Answer: B
Option B contains a misplaced modifier because it implies that the bus was running late, rather than John. It should clarify who was running late.
Q9
Hard
Select the sentence that is grammatically correct and maintains parallel structure.
A.
To run, swimming, and biking are her favorite activities.
B.
He likes to read, write, and playing games.
C.
The committee decided to postpone the meeting, to cancel the event, and reschedule for next week.
D.
She enjoys hiking, biking, and swimming in the summer.
Show Answer & Explanation
Correct Answer: D
Option D is correct as it maintains parallel structure with three gerunds: 'hiking', 'biking', and 'swimming'. Each activity is presented in the same grammatical form.
Q10
Hard
Which of the following sentences uses parallel structure correctly?
A.
The committee decided to hire a new assistant, to increase sales, and improving customer service.
B.
She enjoys reading, writing, and to paint in her free time.
C.
For the project, we need to gather data, analyze the results, and present our findings.
D.
He likes to jog, swimming, and to cycle on weekends.
Show Answer & Explanation
Correct Answer: C
Option C maintains parallel structure by using three gerunds: 'gathering,' 'analyzing,' and 'presenting.' Each part follows the same grammatical form.
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Sentence Structure — ACT ACT English Practice Questions Online
This page contains 149 practice MCQs for the chapter Sentence Structure in ACT ACT English. The questions are organized by difficulty — 45 easy, 74 medium, 30 hard — so you can choose the right level for your preparation.
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