Conjunctions — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. I will go to the party if I finish my chores first.
Grade 4: 'if' is a subordinating conjunction that begins a conditional clause.
2. The runner was exhausted, but she crossed the finish line.
Grade 4: 'but' joins two contrasting independent clauses to make a compound sentence.
3. When I was a baby, my family lived in Texas for years.
Grade 4: 'when' starts a dependent clause showing the time period of the main action.
4. Pack your raincoat and your boots before the trip.
Grade 4: 'and' joins two equal items in a list, no comma needed for just two.
5. The cookies burned because I forgot to set the timer.
Grade 4: 'because' introduces the reason for the result in a complex sentence.
6. We can take the bus, or we can walk to the museum.
Grade 4: 'or' presents two options as alternatives in a compound sentence.
7. Although Jake was nervous, he gave a great speech.
Grade 4: 'although' begins a dependent clause that contrasts with the main clause.
8. Sing quietly while your sister is studying for her test.
Grade 4: 'while' connects two simultaneous actions in a complex sentence.
9. The pond froze, so the children went ice skating.
Grade 4: 'so' is a coordinating conjunction connecting cause to result with a comma before it.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
I packed a lunch ___ I would be hungry later.
→ because
until
We waited inside ___ the storm passed by.
→ until
but
Tom likes math ___ his brother prefers science.
→ but
because
___ you study, you will do well on the test.
→ If
If
Grade 4: 'because' (cause), 'until' (time limit), 'but' (contrast), 'If' (condition) each signal a different relationship.