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Build Complete Sentences
Grade 3 - Writing - On Level
Worksheet 1
1Which Grade 3 choice has both a subject and predicate about "The debate speaker"?
2Build a complete sentence from subject "The weather team" and predicate "recorded the wind speed on the chart."
3Which fragment about the debate speaker needs a naming part to become complete?
4Which revision repairs this Grade 3 fragment: "Gave one reason before the vote."
5Which two-sentence revision fixes this run-on from a Grade 3 draft: "The weather team recorded the wind speed the graph showed a pattern."
About this worksheet
A complete sentence needs both a naming part and an action or telling part. Third graders may understand this when speaking, but written fragments still appear when they start with an action and forget who did it. Run-on sentences are the opposite problem: two complete thoughts get pushed together without a stopping point. This worksheet gives students short, checkable decisions about sentence building. They identify complete sentences, combine subjects and predicates, fix fragments, and split simple run-ons. The goal is not grammar labeling for its own sake. It is helping children build sentences that a reader can follow without asking who, what happened, or where one thought ends. The repeated choices build a habit they can use during drafting too.
What your child will learn
Choose a complete sentence
Combine a subject with a predicate
Revise fragments into complete sentences
Split run-on sentences into clearer thoughts
Worked example
'Chased the red ball' is missing who did the action. 'The puppy chased the red ball' is complete.
Common mistake
Thinking a group of words is complete because it is long, even when it is missing a subject or predicate.
Helpful hint
Ask who or what the sentence is about, then ask what happened.
Worksheet 1