The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: 1  Swelling and stiffness.  Redness and warmth to the touch.
In traditional grammar, a simple subject is the particular noun or pronoun that tells who or what a sentence or clause is about. In traditional grammar, a simple subject is the particular noun or pronoun that tells who or what a sentence or clause is about. A simple subject may be a single word (e.g., Christmas is coming), a multi-word proper noun (Santa Claus is coming), or the key noun or pronoun in a complete subject (The zombies in the basement are coming upstairs).
In English grammar, a direct object is a noun, noun phrase, or pronoun that identifies what or who receives the action of a transitive verb in a clause or sentence. Typically (but not always), the subject of a clause performs an action, and the direct object is acted upon by the subject: Jake [subject] baked [transitive verb] a cake [direct object].