Praxis Core Writing Practice Test: Sentence Structure
- Sentence Structure
- 10 questions
- 12 minutes
Ten questions on building correct sentences. Tip: a sentence needs a subject and a verb that can stand alone; if two such parts are joined only by a comma, you have a comma splice.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
Your result
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Question 1
Which of the following is a complete sentence?
Correct answer: D
Only this option has a main clause, "the bridge reopened." The others are a dependent clause or a subject with no main verb.
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Question 2
Which is the best revision of this run-on sentence?
The storm knocked out the power we used flashlights all night.Correct answer: A
A comma plus the conjunction "so" correctly joins the two independent clauses. A comma alone creates a comma splice.
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Question 3
Which sentence is written correctly?
Correct answer: C
The opening phrase describes the person walking, so "Lena" must come right after the comma. In the other options the rain seems to be walking.
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Question 4
Choose the option that best completes the sentence: The new manager is organized, patient and ____.
Correct answer: B
The first two items are adjectives, so the third should also be an adjective. The other options switch to a clause or a verb phrase and break the parallel structure.
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Question 5
Choose the option that best completes the sentence: In the summer program, students will write essays, ____, and present their projects.
Correct answer: C
All three items follow "will": will write, will conduct, will present. "Conducting" and "to conduct" do not match the other verbs.
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Question 6
Which sentence contains a comma splice?
Correct answer: D
Two independent clauses are joined only by a comma. Adding "but" or "so," or making one clause dependent with "although," fixes the problem.
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Question 7
Choose the option that best completes the sentence: Having finished the report, ____.
Correct answer: B
The person who finished the report must follow the opening phrase, and that person is Ana. The other options make the printer, the report or the supervisor the one who finished it.
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Question 8
Which is the best way to combine these sentences?
The museum is closed on Mondays. It is open late on Fridays.Correct answer: A
"But" shows the contrast and joins the two predicates in one correct sentence. The first wrong option is a comma splice, and "because" invents a cause.
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Question 9
Which revision correctly fixes the fragment?
The team practiced every afternoon. Hoping to win the championship.Correct answer: D
Attaching the phrase with a comma lets it describe the team. A semicolon needs a full clause on both sides, and "Because they hoped to win it" is still a fragment.
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Question 10
Which sentence is written correctly?
Correct answer: B
A population must be compared with a population, and "that of" supplies it. The first wrong option compares a population with a town, and "then" is a time word.
Questions you leave blank are not counted as wrong.