3rd grade sentence structure worksheets

Sentence Fragments worksheet for 3rd Grade — A real sample sheet.

8 sentence structure skills at 3rd grade, one sheet each, free with its answer key: combining sentences, complex sentences, expanding sentences, and more.

Combining sentences Two short sentences about the same thing can join into one smoother sentence. Use a joining word, and say repeated words only once.
Complex sentences A complex sentence has a part that cannot stand alone, hooked to a part that can. Words like because, when, and although start the hanging part.
Expanding sentences A short sentence can grow. Add the words in parentheses where they fit best, and keep the capital and the period.
Run-on sentences A run-on squeezes two sentences into one. Find where the first idea ends, then add a period and a capital letter.
Sentence fragments A fragment is a piece of a sentence. Find what it is missing: the naming part (subject) or the telling part (predicate).
Simple and compound sentences A simple sentence has one who-did-what. A compound sentence is two of them, joined by a comma and a word like and, but, or so.
Subject and predicate The subject names who or what the sentence is about. The predicate is everything the sentence says about it, starting with the verb.
Types of sentences A statement tells. A question asks. A command orders. An exclamation bursts with feeling.

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