1 Outside of Knee: Pain on the outside of the knee, or lateral side, is commonly caused by lateral meniscus tears, LCL injuries, IT band tendonitis, and arthritis.  Back of Knee: Pain in the back of the knee can be due to the collection of fluid, called a Baker's Cyst.
Definition: The subject of a sentence is the noun, pronoun or noun phrase that precedes and governs the main verb. The subject is the part of the sentence that performs an action or which is associated with the action. He is a really nice guy. * He is the subject of the sentence, controlling the verb and the complement.
COMPLETE SUBJECT The study of small insects is a hobby of mine. The simple predicate, or verb, is the main word or word group that tells something about. the subject. The complete predicate consists of a verb and all the words that modify the verb and complete. its meaning.