摘要：Early-aged children are individuals from 0 to 6 year old with unique characteristics and in the stage of growth and development, both physical and mental. Several aspects developed for their education include moral and religious values, social, emotional feelings, autonomy, language, cognitive, physical/motor skill, and art (Ramli, 2005, p.50). The development of these aspects affect each other, that is why it has to be optimally developed in every activity. One aspect of those basic skills should be developed in early-aged children is language. The objectives of this research are to describe (1) the quantity of Indonesian vocabularies in early-aged children; (2) certain Indonesian word classes in early-aged children; (3) certain scopes of Indonesian vocabularies in early-aged children; (4) Indonesian basic sentence pattern in early-aged children; (5) Indonesian basic sentence features considered by the form of integrative phrases; (6) Indonesian basic sentence features considered by the number of integrative phrases. The results of the research show that the vocabulary quantity of early-aged children varies due to external and internal factors. It triggers their inputs to vary from one to another. Word classes mastered by them include noun, verb, adjective, adverb, numeral, pronoun, and preposition. Based on the findings in the field, they have also mastered several vocabulary scopes, such as kinship, activity, place, number, color, universal objects, and animal types. In line with that, sentence patterns that have been mastered by them are FN-FV, FN1-FN2, FN-FA, FN-Num, and FN–FP.
