Although there are many reasons to write, to persuade, to inform and to entertain represent the three main forms of author's purpose.
Linking Verb: A linking verb is a verb that connects the subject of a sentence to the complement. It is sometimes called a copula or a copular verb. An example is the word is in the sentence "The sky is blue".
Action Verb: An action verb is a verb that expresses physical or mental action. The action verb tells us what the subject of our clause or sentence is doing-physically or mentally. Examples of Action Verbs: To find an action verb: 1) Find the word in the sentence that is something someone or something can do.
You could start it with a question like for example: Do You Ever wonder What characteristics make up a good leader
That would be a claim because it is stating something that would require evidence in order be shown as fact or not.