Which explains verb mood

It is how a verb is used to ask a question
It is, however, a verb is used to express a thought
It is a verb is used to make a command
It is a verb is used to state a fact

Verb mood refers to how a verb is used to express a certain attitude or feeling in a sentence. This can include asking a question (interrogative mood), expressing a thought or opinion (subjunctive mood), giving a command (imperative mood), or stating a fact (indicative mood).