Don't worry, all children develop in different ways and they always surprise us. Recently I saw a little girl who is 2,5 and she prefers gestures to talking. When she talks on rare occasions, she uses sounds or single words. I could tell that someone who looks after her is really worried about it and keeps saying to a little girl, come on, say hello. No, not waving, say hello. That can make a little person more worried and so less wanting to talk. i think the more they see us worried that they don't talk properly, don't eat properly, don't walk properly, etc., the harder it can be on them. Well, anyway, it's just my opinion. I started to play with the little girl, we were looking at different colours and i was saying the name of the colours, never once did I ask her to repeat it. Suddenly she just started to repeat after me: yellow, blue, pink and she looked really happy, smiling and running around. When it was time to go, she just waved goodbye, she didn't say it, well it's okay, she will when she is ready. I know, it's easy to say don't worry but if you think about the whole life, does is matter that much if someone's child speaks better then yours at the moment, you don't know how your little lad is going to speak when he is three or four and I think, if you relax about it and just make more games with words and sounds, may be songs if he likes them, he will truly surprise you. Good luck!