The bimodal bilingualism refers to the ability to speak and understand two different languages, one of which is the language of the signs, and the other is a language spoken. The bimodal bilingualism it is typical of people who grew up in a family that is deaf or who were exposed to sign language from birthbut they also learned a language spoken as the national language of the country in which they live. People bilingual bimodal are able to use sign language and spoken language in a flexible way, depending on the circumstances and needs of communication.