No. Usage is a noun (an application or operation). It is roughly synonymous with the noun use, and related to the verb to use.
Noun. The verb is 'use'.
No, constant is not a verb. It is an adjective or a noun, depending on its usage.
To uncover is a verb. In ordinary usage it can have a subject and must have an object.
standard verb usage is when you have a conjunction sentence without a verb or a regular sentence without a verb for example "Johny on a rock" but the sentence was suppose to be like this "Johny sat on a rock" now see? hope it works out for you! :)
No, it is a noun or a verb, depending on usage.
"Rushes" is a verb that can be classified as either a regular verb (base form: rush) or an irregular verb depending on the context of its usage.
The word pledge means the same thing as promise, and as such, it can be either a noun or a verb. For example, I pledge my loyalty to you. That is a verb usage. You have accepted my pledge. That is a noun usage.
noun or a verb depending on usage. A broker is a person (noun) but you can also broker a deal (action i.e.=verb)
Depending on the usage of the word, sign is already a verb. For example "to sign something" is an action and therefore a verb.
Yes, 'free' can be used as both a verb and a noun although the noun usage is rare.
This word is a noun and verb depending on the usage
The verb form that agrees with the sentence is "are."