Simplify the following text for a Grade 6 native English-speaking person.
Original: English uses many different prefixes that mean the opposite of , like un - , in - \/ im - , a ( n ) - , de - .
Simplified: For example , in English , there are many prefixes that mean `` the opposite of '' , e.g. un - , in - \/ im - , a ( n ) - , de - , etc. .