Prefixes in English are one of the most complicated grammatical aspects to learn. Prefixes like im-, in-, un- can change the entire meaning of a sentance. They are small grammatical changes but with powerful consequences to the meaning of what you intend to say. Learning how and when to use prefixes in English is something LingoLearn’s teachers can walk you through until you are completely confident of how and when to use these powerful grammatical aspects. Have a look at our table below to see how confident you are in how to correctly use prefixes in English.
Want to learn more? Our native-speaking private teachers will be happy to customize an English course for your specific needs. Through a LingoLearn course, you can learn the proper use of prefixes and many other grammatical tools – online, from the comfort of your home.
im | in | un | |||
+ | – | + | – | + | – |
Patient | Impatient | Secure | Insecure | Important | Unimportant |
Moral | Immoral | Accurate | Inaccurate | Able | Unable |
Balance | Imbalance | Admissible | Inadmissible | Acceptable | Unacceptable |
Mature | Immature | (Advertently) | Inadvertently | Accustomed | Unaccustomed |
Partial | Impartial | Animate | Inanimate | Answered | Unanswered |
Penetrable | Impenetrable | Different | Indifferent | Anticipated | Unanticipated |
Perfect | Imperfect | Calculable | Incalculable | Button | Unbutton |
Polite | Impolite | Capable | Incapable | Called for | Uncalled for |
Mortal | Immortal | Coherent | Incoherent | Aware | Unaware |
Possible | Impossible | Comparable | Incomparable | Bearable | Unbearable |
Potent | Impotent | Compatible | Incompatible | Comfortable | Uncomfortable |
Practical | Impractical | Competent | Incompetent | Reasonable | Unreasonable |
Proper | Improper | Complete | Incomplete | Certain | Uncertain |
In | Comprehensible | Incomprehensible | Conscious | Unconscious | |
Equality | Inequality | Conclusive | Inconclusive | Common | Uncommon |
(Evitable) | Inevitable | Considerate | Inconsiderate | Concerned | Unconcerned |
Expensive | Inexpensive | Consistency | Inconsistency | Confirmed | Unconfirmed |
Explicable | Inexplicable | Convenience | Inconvenience | Damaged | Undamaged |
Explicit | Inexplicit | Correct | Incorrect | Decided | Undecided |
Famous | Infamous | Curable | Incurable | Do | Undo |
Flammable | Inflammable | Decency | Indecency | Easy | Uneasy |
Formal | Informal | Decisive | Indecisive | Employed | Unemployed |
Humane | Inhumane | Definite | Indefinite | Ending | Unending |
Sane | Insane | Dependence | Independence | Even | Uneven |
(Satiable) | Insatiable | Describable | Indescribable | Expected | Unexpected |
Tangible | Intangible | Direct | Indirect | Fair | Unfair |
Valid | Invalid | un | Familiar | Unfamiliar | |
Discretion | Indiscretion | Wrap | Unwrap | Fit | Unfit |
Effective | Ineffective | Veil | Unveil | Tie | Untie |