Exercise
Mark the following sentences correct or incorrect.

1. The magazine teaches parents how to behave with their children.
2. The magazine teaches parents how to behave towards their children.
   
   
3. The CEO was surprised by his employees' peculiar behaviours.
4. The CEO was surprised by his employees' peculiar behaviour.
   
   
5. Such behaviour can easily cause offence.
6. Such a behaviour can easily cause offence.
   
   
7. Sometimes our marketing manager has a very strange behaviour.
8. Sometimes our marketing manager behaves very strangely.

Answers:
Correct: 2, 4, 5, 8
Incorrect: 1, 3, 6,  7