A stem refers to the existing form to which a derivational affix can be added, and it can be a b ______ root, a free morpheme, or a derived form itself.

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