Verbs moods are used to describe whether a sentence expresses a command, fact, wish, and condition. The verb moods expressed in these sentences are;
An interrogative verb is one that asks a question. We see this in the first sentence where the speaker asks a question. An imperative verb expresses a command.
In the second sentence, the speaker gives a command as he instructs someone to walk a dog.
In the last sentence, the mood is indicative or telling of the action that was performed by the speaker.
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