Prefixes Dis And Un. Un- comes from Old English.) Learn English Vocabulary with Negative Prefixes with DIS, IM, IN, IR, IL, NON, UN. Here are some English negative prefixes: a-, dis-, il-, im-, in-, ir-, non-, un-.
The prefix un means not, reverse action, deprive of, release from.
For example, the prefix un- can be attached to the adjective happy to create the negative adjective unhappy.
The Old English prefix on- (now spelled un-) was added to verbs to indicated a reversal of the Dis- came into English during the Middle English period, along with many Latin and French words. Put them into the columns with the right prefixes. de-. dis non-. un-. agree; mature; existent; helpful; indefinite; spell; commission; honored; essential; activate; affected; interesting; rational; trust; comfort; form; conformist; belief; understand; interpretation; possible; compose; conduct; prepared. What is the difference between disinterested and I am German and want to learn English but this ,I really could not learn right.'cause I noticed there are som rules about un ,in and dis -what you.