______ variation in a person’s speech, or writing, usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.

Please define competence and performance respectively and describe their differences.

According to John Austin, what are the three acts a speaker might be performing simultaneously while speaking? And give examples to illustrate them.

language centers

interlanguage

utterance meaning

language standardization

coinage

root

linguistic context

AUX-movement