<Tr> <Td> 13--15 </Td> <Td> Expressive jargon, intonational sentences </Td> </Tr> <Tr> <Td> 13--19 </Td> <Td> 10 - word vocabulary </Td> </Tr> <Tr> <Td> 14--24 </Td> <Td> 50 - word vocabulary </Td> </Tr> <Tr> <Td> 13--27 </Td> <Td> Single - word stage and a few sentences, two - to - three - word combinations, Articles: a / the, Plural: - s </Td> </Tr>

Child development concept of development and its relationship with learning