How Can You Tell If Your Child Is Having Communication Challenges? There are three factors you can use to determine whether or not your toddler child should be seen. They should 1.Attend and focus with you, 2.Imitate your movements and words, 3.Participate in functional imitation play. By age two they should be saying many words and starting to put words together. Three year olds are copiers, love imaginary play are conversationalists and add new words a lot. Four year old like to use many describing words. Five year old use imaginary vocabulary, rhyming words and complex sentences. www.readingrockets.org/article/young-childrens-oral-language-development