noun
BAD : The course is for students with a basis knowledge of English.
GOOD : The course is for students with a basic knowledge of English.
◆◆◆
See note at BASE 1 (↑ base )
Basic is an adjective: 'basic computer skills', 'basic principles'
noun
BAD : The course is for students with a basis knowledge of English.
GOOD : The course is for students with a basic knowledge of English.
◆◆◆
See note at BASE 1 (↑ base )
Basic is an adjective: 'basic computer skills', 'basic principles'
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012