Sentence Structure Practice: Simple, Compound, and Complex
A Grade 4 ELA worksheet focusing on identifying and creating simple, compound, and complex sentences.
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Sentence Structure Practice
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Read each section carefully and follow the instructions to complete the activities.
Sentences can be simple, compound, or complex. Understanding these types helps you write clearly and express your ideas better!
A simple sentence has one independent clause (one subject and one verb).
A compound sentence has two or more independent clauses joined by a coordinating conjunction (like 'and', 'but', 'or').
A complex sentence has one independent clause and at least one dependent clause (often starting with words like 'because', 'although', 'when').
Read each sentence and choose whether it is simple, compound, or complex.
1. The dog barked loudly at the mailman.
Simple
Compound
Complex
Fragment
2. I wanted to go to the park, but it started raining.
Simple
Compound
Complex
Run-on
3. Although it was cold, we still played outside.
Simple
Compound
Complex
Compound-Complex
Fill in the blank to complete each sentence according to the type indicated.
4. Simple Sentence: The birds sang .
5. Compound Sentence: She studied hard, and .
6. Complex Sentence: Because the bell rang, .
Write one sentence for each type below.
7. Write a simple sentence:
8. Write a compound sentence:
9. Write a complex sentence:
Read each statement and circle True or False.
10. A simple sentence always has a comma.
True
False
11. Coordinating conjunctions like 'and' or 'but' are used in compound sentences.
True
False
Rewrite the simple sentence as a compound sentence and then as a complex sentence.
Original Simple Sentence: The cat slept.
12. Rewrite as a Compound Sentence:
13. Rewrite as a Complex Sentence: