Hi Serpal , You need to consult a speech therapist. 2 year and 10 months almost 3 years should speak in sentence.

<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/1128">Learn about your child&#8217;s speech development milestones: Excerpts from a live chat with Speech therapist, Merzia - Part III</a></b></span>

That's fine .. the baby will gradually speak.. don't worry.. keep talking to the baby..Play rhymes and music in the back ground..

My boy is 2 year 10 months old. But he is not able to make sentences while speaking. But the word he utter are very clear like Papa mummy aunty uncle car and even names of colours.... What should I do