M.,
My first thought is what has your peditrician said about your son's comunication and speech? It is your peditrician that can help you get your child evaluated.
One way to encourage him to use his words is to offer choices.For example, do you want milk or juice? And he has to tell you or he does not get either. An example, when playing, you could say is this orange or red? Reading will help as well.
Hope I helped you a little.
R.
Director
Baby Crazy
www.iambabycrazy.com/R.
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