Abstract: A bodies of studies introduce two major paradigms of verbs learning in preverbal infants, showing the cognition process of conceptual system learning. One is habituation paradigm, IPLP the other. The studies reveal that as compared to nouns learning time, verbs conceptual learning is appeared after nouns learning; infants have shown different timing in learning the components of verb (path or manner); the full meaning of verb is highly related to mother-tongue input. All in one, these two paradigms of studying preverbal infants are more effective and economic.

Key words: preverbal infants, habituation paradigm, IPLP