GED Writing Sentence Basics: Identifying Sentence Fragments

What is a sentence fragment? A group of words that does not have a subject that tells whom or what the sentence is about is a fragment. If a group of words does not express a complete thought, it is a fragment. Also, if a group of words does not have a predicate that tells what the subject is or does is a fragment.

Examples:
In many homes, the stove. (fragment)
When dogs bark at ducks. (fragment)
In many homes, the stove is in the kitchen. (sentence)
When dogs bark at ducks, the ducks fly away. (sentence)