Common Mistakes : Behaviour

Noun

.BAD: We were surprised by their peculiar behaviours

.GOOD: We were surprised by their peculiar behaviour

.BAD: Such a behaviour can easily cause offence

.GOOD: Such behaviour can easily cause offence

Behaviour is an uncountable noun

.BAD: Sometimes Juan has a very strange behaviour

.GOOD: Sometimes Juan behaves very strangely

.GOOD: Sometimes Juan’s behaviour is very strange

.BAD: There are very few people having such a behaviour

.GOOD: Very few people behave in such a way

Instead of using have + behaviour, use behaviour + be or use the verb behave + adverb

.His behaviour is atrocious

.He behaves atrociously