My 2.4 year baby speaks all the words,know shapes,counting,alphabet,body parts,colors.not much speaking in sentences.From the last 2 days sometime speak in baby language very frequently.not understand what she say.she mostly speak in English like ,like I m eating,all done,I m happy,I don’t know.but two way talking is not much sometime speak gibberish.how to improve her speaking in two way talking.