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.
To get to the bottom of the confusing words 'who' and 'whom,' first we have to review basic sentence structure. All sentences are made up of subject and predicate. The subject is the main person or object doing the action. The predicate is the action and everything else that is not attached to the subject.any people misuse 'who', 'whom,' 'whose' and 'who's.' Watch this video lesson to not only learn the difference between these confusing words but also how to use each one correctly.