Your car often has engine problems. Now you're trying to start your car, but it won't work. This is what you say to yourself.
You need to hire an office assistant. You want someone who will do a good job without being told what to do. You write this on the job description.
You're explaining what your charity organization does at a street fair.
You were invited to a cousin's wedding. Your sister asks you if you're going. You don't remember when the wedding is, so you ask like this.
You own a small pet store. Someone has offered to buy it from you. The price they're offering is high, but you're still not sure. You say this.