Половко Л.В. Учитель английского языка МАОУ гимназии №6 г. Новороссийск
Prefixes don’t change the word class! As you could see, you can form new words with different meanings by adding a prefix or a sufix. unfair; uncommon; untrue... illegal; illegitimate; illogical... impossible; immature; imperfect... disadvantage; dislike; dishonest... irrational; irrelevant; irresponsible... incorrect; informal; inconvenient... misunderstanding; mistrust; misbehave... non-smoker; non-violent; non-profit...
To memorize! RULES When you want to change a word that starts with P or M, you add the prefix “im”: improper; immodest; impartial; impersonal; impolite; impractical, immigrant… Adjectives starting with L, you add the prefix “il”: illiterate; illegible; illicit; illegality; illegal; illogical… Adjectives beginning with R , you add the prefix “ir”: irrational; irresistible; irregular; irreverent; irresponsible… If you have any doubts, go to the dictionary! He’s your friend!
Suffixes usually change the word class of the base word! survive - survival; arrive - arrival; try - trial... combine - combination; accuse - accusation; image - imagination... employ - employment; move - movement; arrange – arrangement... work - worker; sing - singer; win - winner... carry - carriage; use - usage; pack - package... perform - performance; insure - insurance; entry – entrance; differ – difference; prefer - preference... Noun formation -al -ation -ment -er -age -ance/ -ence
national - nationality; feminine - femininity; curious - curiosity... Noun formation -ity king - kingdom; free - freedom; wise - wisdom... -hood dark - darkness; fit - fitness; weak - weakness... -ness neighbour - neighbourhood; man - manhood; parent - parenthood... -dom relation - relationship; friend - friendship; champion - championship... -ship novel – novelist; art - artist; piano - pianist... -ist actor – actress; prince - princess; waiter - waitress... - ess true - truth; grow- growth; weigh – weight... -th/ -t study - student; serve - servant; assist - assistant... -ant/ ent