Clause Connection: Completing Sentences with Subordinating Conjunctions Quiz

  • 4th Grade
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| Questions: 20 | Updated: Jan 7, 2026
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1. Choose the best word to complete the sentence: 'We will go outside ___ it stops raining.'

Explanation

The action of going outside is waiting for the rain to stop; 'until' is the correct subordinating conjunction to express this time relationship or endpoint.

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About This Quiz
Clause Connection: Completing Sentences With Subordinating Conjunctions Quiz - Quiz

Subordinating conjunctions create complex sentences by linking dependent and independent clauses. In this subordinating conjunction completion quiz, you’ll practice completing sentences by choosing the correct subordinating conjunction. You’ll analyze cause, time, condition, and contrast relationships, and ensure logical flow between clauses. Each question builds sentence-construction skills and improves accuracy when... see moreforming complex structures.
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2. I ate my lunch quickly ___ I was very hungry. Which conjunction shows the reason?

Explanation

The subordinating conjunction 'because' introduces the cause (being hungry) that explains the action of the main clause (eating quickly).

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3. A subordinating conjunction connects two ideas of equal importance and rank.

Explanation

This is false. Subordinating conjunctions connect a dependent clause (less important) to an independent clause (more important), making the ideas unequal in rank.

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4. Complete the sentence using a time conjunction: ‘Brush your teeth _______ you go to bed.’

Explanation

The word 'before' is a subordinating conjunction that correctly establishes the sequence of events, indicating the tooth brushing happens prior to going to bed.

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5. She still went to the party ___ she had a little fever. Which conjunction shows a contrasting idea?

Explanation

The conjunction 'although' is used to show a concession or contrast, meaning that despite the fever, she still chose to go to the party.

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6. Which conjunctions signal a time relationship in a sentence? (Select all that apply)

Explanation

When,' 'after,' and 'before' all introduce dependent clauses that establish the time frame or sequence of events for the main clause. 'If' establishes a condition.

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7. You won't pass the test ___ you study hard. Which conjunction shows a negative condition?

Explanation

The word 'unless' means 'if not' and introduces the one condition that must be met to avoid the negative outcome (not passing).

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8. Complete the sentence using a conjunction that shows cause: ‘I haven't eaten a hamburger _______ last year.’

Explanation

The word 'since' can be used as a subordinating conjunction to indicate a point in time from which an action has continued, or in this context, a cause/reason why the current state is true.

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9. When the dependent clause begins the sentence (e.g., Because I was tired...), where do you place the comma?

Explanation

When the dependent clause (starting with the subordinating conjunction) comes first, a comma is required to separate it from the independent clause that follows it.

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10. The sentence 'I went home because I was tired' needs a comma before 'because'.

Explanation

This is false. When the independent clause comes first and the subordinating conjunction ('because') is in the middle, no comma is needed to separate the clauses.

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11. They moved the meeting to Friday ___ it was scheduled for Monday. Which conjunction shows that the first idea is contrary to the second?

Explanation

The word 'though' is a subordinating conjunction used to show contrast or concession, meaning the move to Friday happened despite the original schedule for Monday.

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12. Complete the sentence using a conjunction that shows simultaneous time: ‘We sang songs _______ we drove to the beach.’

Explanation

The conjunction 'while' indicates that the two actions—singing songs and driving to the beach—were happening at the same time.

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13. I bought a new book ___ the old one got ruined. Which conjunction shows the reason?

Explanation

Because' introduces the dependent clause that states the cause (the old book was ruined) that motivated the action in the main clause (buying a new one).

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14. Which conjunctions primarily function to show the reason or cause for something? (Select all that apply)

Explanation

Because' and 'since' are subordinating conjunctions used to introduce the dependent clause that explains the cause of the action in the independent clause.

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15. ___ you finish your dinner, you can have dessert. Which conjunction sets a condition?

Explanation

The conjunction 'if' introduces the condition (finishing dinner) that must be met for the result (dessert) to be allowed.

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16. A subordinating conjunction makes one part of the sentence unable to stand alone as a complete thought.

Explanation

This statement is true. The subordinating conjunction turns the clause it introduces into a dependent clause, which must rely on the independent clause to be a complete sentence.

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17. Complete the sentence using a conjunction that shows sequential time: ‘_______ I finished my homework, I started reading a book.’

Explanation

The word 'after' clearly indicates the sequence of events, showing that the action of finishing homework was completed before the reading began.

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18. Which word is best for showing a surprising opposite idea to the main clause?

Explanation

The subordinating conjunction 'although' is primarily used to introduce a surprising or contradictory fact that doesn't stop the action of the main clause.

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19. Which subordinating conjunctions introduce a concession (something surprising or contrasting)? (Select all that apply)

Explanation

Although' and 'though' are both used to introduce a contrasting or concessionary idea to the main point of the sentence.

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20. I will call you ___ I get to the airport. Which conjunction expresses time?

Explanation

The word 'when' is the most accurate conjunction to establish the time at which the phone call will happen (upon arrival at the airport).

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Choose the best word to complete the sentence: 'We will go outside ___...
I ate my lunch quickly ___ I was very hungry. Which conjunction shows...
A subordinating conjunction connects two ideas of equal importance and...
Complete the sentence using a time conjunction: ‘Brush your teeth...
She still went to the party ___ she had a little fever. Which...
Which conjunctions signal a time relationship in a sentence? (Select...
You won't pass the test ___ you study hard. Which conjunction shows a...
Complete the sentence using a conjunction that shows cause: ‘I...
When the dependent clause begins the sentence (e.g., Because I was...
The sentence 'I went home because I was tired' needs a comma before...
They moved the meeting to Friday ___ it was scheduled for Monday....
Complete the sentence using a conjunction that shows simultaneous...
I bought a new book ___ the old one got ruined. Which conjunction...
Which conjunctions primarily function to show the reason or cause for...
___ you finish your dinner, you can have dessert. Which conjunction...
A subordinating conjunction makes one part of the sentence unable to...
Complete the sentence using a conjunction that shows sequential time:...
Which word is best for showing a surprising opposite idea to the main...
Which subordinating conjunctions introduce a concession (something...
I will call you ___ I get to the airport. Which conjunction expresses...
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