CAN is a child who has belief and confidence. CAN'T is a child who is filled with self-doubt. With the help of CAN, CAN'T learns that she can do anything if she puts her mind to it. The Series Big Life Lessons for Little Kids CAN, CAN'T, COULD, COULDN'T, DID, DIDN'T, WAS, WASN'T, WILL and WON'T -- known collectively as the CAN DOs -- are all friends and they each have something to teach your child. From sharing and perseverance to doing homework and being a good sport, the CAN DOs help you as a parent lay the foundations for a well-rounded, confident and outgoing child.