Hi, teachers:<br/><br/>A sentence: <br/><br/><u>I’m really going to tell him what I think of him.</u><br/><br/>I think we can say it to express our determination like <br/><br/><u>I’m really telling him what I think of him.</u><br/><br/>But somebody says it does not work when we express our emphasis on intention.<br/><br/>Am I making a mistake?<br/><br/>I would say thank-you if you kindly helped me.