In Communicative Language Teaching, Canale and Swain (1980) proposed a model of "communicative competence" that goes beyond grammar. Analyze the statements regarding the components of this competence:

I.Sociolinguistic competence refers to the ability to use language appropriately according to the social context, such as knowing when to use formal or informal registers.

II.Grammatical competence is the only necessary component for communication, as knowing the rules ensures the message is understood in any context.

III.Strategic competence involves the ability to use verbal and non-verbal strategies to compensate for breakdowns in communication or to enhance the effectiveness of communication.

It is correct what is stated in: