Coach Miller exemplified this behavior by walking off the field in the middle of a game, leaving her team at a time when we needed her. Jane needs to find a new roommate. Because the one she has now is not very cooperative. Jane needs to find a new roommate because the one she has now is not very cooperative. Many fragments, as in the above examples, occur after the main clause or complete thought.
Some sentences are fragments because they lack a subject or verb.
A person with complex thoughts and attitudes. Objects of all kinds strewn around. A person might have complex thoughts and attitudes. Joe is a person with complex thoughts and attitudes. Objects of all kinds were strewn around.