4th Grade Sentence Structure Worksheets and Printables | Page 2

Commas indicate a certain separation of words, phrases, or ideas in order to prevent misreading the writer's intended meaning. E.g. “I love pizza, pasta, and salad.” Worksheet instructions: Fix the punctuation mistakes in these sentences by adding the missing commas. Write Correct if the sentence is already correct.

Commas indicate a certain separation of words, phrases, or ideas in order to prevent misreading the writer's intended meaning. E.g. “I love reading, traveling, and listening to music.” Worksheet instructions: Fix the punctuation mistakes in these sentences by adding the missing commas. Write Correct if the sentence is already correct.

Every complete sentence contains two parts: a subject and a predicate. The subject is what the sentence is about. The predicate tells something about the subject. Worksheet instructions: Circle the subject. Underline the predicate.

A comma splice occurs when a comma is incorrectly used to join two independent clauses. You can fix comma splices by adding a conjunction, using a period to make two separate sentences, or by using a semi-colon (;). Worksheet instructions: Rewrite the below sentences, fixing the comma splices.

A full sentence expresses a complete thought (it has a subject and a verb). A fragment is not a complete thought. A run-on sentence has two or more clauses that are not joined correctly. Worksheet instructions: Rewrite the fragments and run-ons as proper sentences. If it’s already a proper sentence, simply write the word ‘sentence’.

A run-on sentence occurs when independent clauses are not joined correctly. Worksheet instructions: Correct the run-on sentences by rewriting each sentence and adding conjunctions and punctuation where necessary.

A run-on sentence occurs when independent clauses are not joined correctly. Worksheet instructions: Correct the run-on sentences by rewriting each sentence and adding conjunctions and punctuation where necessary.

A sentence expresses a complete thought that makes sense on its own. It has a subject (who or what the sentence is about) and a verb (the action or what the subject is doing). Example: The cat is sleeping. Worksheet instructions: Write whether each group of words is a sentence or a fragment.