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2 Months
Infants start cooing and making vowel sounds. -
12 Months
Toddler will say their first recognizable word. Their babbling sounds will include the intonation patterns of the child's language community. -
18-24 Months
Baby's vocabulary expands from 50 words up to 250 words. -
Period: to
2-5 Years
Toddlers start to combine 2 or more words to form sentences. -
Period: to
6-12 Years
Child is building vocabulary during these years. They will know the meaning of 10,000 words, be able to speak in elaborate sentences, and are skilled conversationalists.