Словообразование в английском языке с помощью приставок Author: Maria St. Nickiforova, EL teacher, Secondary School 83, Seversk Tomsk Region

mis- sub- re- Prefixes in- bi- im- il- ir- co- un- dis-

un- bi- (tri-) dis- sub- co- mis- re- in-, il-, ir-, im- Practice You can often understand new words if you know the meaning of the prefix. un- bi- (tri-) dis- sub- co- mis- re- in-, il-, ir-, im- Practice

un- = not e.g. An unusual situation is a situation that is not usual. untie unusual untidy unhappy unlocked unequal uneatable uncertain unemployed unscientific undoubted uneducated unimportant unfriendly

e.g. A dishonest person is someone dis- = not e.g. A dishonest person is someone who is not honest. dishonest discharge disbelief disbelieve disappear disappearance disorder disabled disagree disagreement dislike discomfort disadvantage disinfection

in-, il-, im-, ir- = not, non incredible illegal incorrect illogical indirect illiterate incredible immaterial insincere immature inactive immortal informal immemorial irrelevant imperfect irregular impossible insensible impatient

e.g. A coincidence is when two things happen at the same time. co- = together e.g. A coincidence is when two things happen at the same time. co-act co-worker co-author co-pilot cooperate cooperation coexist coexistence coordinate coordination

e.g. If we can recycle something, re- = again e.g. If we can recycle something, we can use it again. redo repay repay rewrite replace rebuild rearrange repack recycle replant reuse reprint

bi- = two tri- = three e.g. A bicycle is a vehicle with two wheels. biweekly bilingual bimonthly bi-level tri- = three e.g. A tricycle is a vehicle with three wheels. triangle triathlon triweekly trimonthly

which goes under the sea. sub- = under e.g. A submarine is a ship which goes under the sea. subtitle subclass subculture subarctic sub-company sub-editor subterranean sublevel

mis- = wrong e.g. “Mispronounce” means to pronounce a word with a mistake. misspell mislead misprint misfortune misunderstand mistreat

Make new words with the help of prefixes and translate them. root word prefix un tie untie belief dis disbelief

bilingual coexistence disadvantage prefix root word bi lingual bilingual co existence coexistence advantage dis disadvantage

dislike unhappy subtitle prefix root word dis like dislike happy un unhappy title sub subtitle

reuse uneatable mispronounce prefix root word re use reuse eatable un uneatable pronounce mis mispronounce

unequal disappear co-worker prefix root word un equal unequal appear dis disappear worker co co-worker

rebuild unfriendly unimportant prefix root word re build rebuild un friendly unfriendly important un unimportant

disability disagree misunderstand prefix root word dis ability disability dis agree disagree understand mis misunderstand

В презентации использовались материалы из учебника Andrew Littlejohn, Diana Hicks Cambridge English for Schools in Russia. Level Four. Под редакцией Ольги Виноградовой. М.: Дрофа, 2002. С.39, 136, 137.