feel is a verb of perception,eg:-see,hear,taste,smell to express an activity or A STATE THAT IS USING THE SIMPLE PRESENT TENSE,HENCE FEEL.
TO FEEL SHE IS NEGLECTED= BE AWARE OF, CONSCIOUS OF, KNOW, NOTICE, PERCEIVE, SENSE=feel neglected
2012-11-17 22:45:56 補充：
neglected=a past partciple treated as an adjective.;
The neglected(adj) she;
Hence:-She feel neglected by her ex-boyfriend.