adverb
BAD : We have to train every day, regardless the weather.
GOOD : We have to train every day, regardless of the weather.
◆◆◆
regardless of sth : 'The school accepts all students, regardless of educational level and background.'
adverb
BAD : We have to train every day, regardless the weather.
GOOD : We have to train every day, regardless of the weather.
◆◆◆
regardless of sth : 'The school accepts all students, regardless of educational level and background.'
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012