You usually stop by the supermarket or the gym after work before coming home. But yesterday you wanted to get home earlier because you are hooked on a TV show that you've been watching on DVD. You tell this to your friend.
You are suspected of a crime and have to tell the police exactly what you did on a certain night. You offer this as your alibi.
You are busy cleaning up your house because there are guests coming over for an hour. Your children aren't helping and are just watching TV. You complain this to them.
Your brother announces that he got engaged. You're a bit surprised because he has only been dating his fiancee for 5 months. Someone asks what you think about it, and you say this.
You are working on a project at work. You've spoken with your co-workers briefly about your plans, but you haven't discussed the details yet. You say this to suggest that you discuss the details later.