“…As a result, such classrooms often adopt monolingualism as a norm of interaction and students' resorting to the L1 can be treated as inappropriate, sanctionable conduct. Breaches of such monolingual norms were analyzed by Amir (2013aAmir ( , 2013b and Amir andMusk (2013, 2014), who show that such infractions (comprising use of Swedish in an English-only classroom) trigger acts of 'language policing'. Interestingly, language policing practices may be self-initiated, where a speaker will self-correct the choice of language, or other-initiated, as participants may hold each other accountable for violating the language policy (cf.…”