A verb mood is a form of a verb that expresses the attitude of the speaker toward the action or state of being of the verb. Common moods include indicative, imperative, subjunctive, and interrogative.

The indicative mood is used to make factual statements or ask questions. It expresses certainty and is the most common verb mood.

The imperative mood is used to give commands, make requests, or offer invitations. It often omits the subject, as it is understood to be 'you'.

The subjunctive mood is used to express wishes, hypotheticals, or conditions contrary to fact. It often appears in sentences that express desires or suggestions.

The interrogative mood is used to ask questions. It typically involves a change in word order and often begins with a question word.

"The dog barks loudly every morning."

"Please close the door."