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Birth
Birth of a baby. Able to express basic feelings by crying or smiling. -
2 month
Infant begin to make cooing sound. -
6 month
Infants starts to making babbling sound. -
8-10 month
Babbling reflects the sound and intonation. -
12month
Toddlers say their first recognizable word. Speed and accuracy of word comprehension increase rapidly. -
18- 24 month
Spoken vocabulary expands from about 50 to 250 words.
Toddlers combine two words. -
3 years to 5 year old
Toddlers able to speak in sentences of five to six words.
Understand more complicated language. -
6 years to 12 year old
They use language to predict and draw conclusions and able to make complex sentences. Also, they can keep a conversation going by giving reasons and explaining choices.