According to the report, the cost of installing sprinkler systems to the home builder averaged $1.61 per sprinklered square foot. Sprinklered square feet is the total area of spaces with sprinklers. The cost of sprinkler systems to the home builder, in dollars per sprinklered square foot, rangedfrom $0.38 to $3.66.
A reflexive verb is a verb that has an object which is the same as the subject of the verb ==> the action of the reflexive verb is something one is doing to or for oneself. Some verbs are reflexive all or most of the time, others are only reflexive when used in certain ways.
What is a verb? A verb is a word that expresses an action or a state of being. As you can see from that definition, there are two main categories of verbs: action verbs and state of being verbs (also known as linking verbs). Because action verbs and linking verbs are strong enough to be used in sentences all by themselves, they are called main verbs.