Forming opposites In order to form opposites we use prefixes Prefixes not change the part of speech, only the meaning The most commonly used ones are the following: dis dis+ +verb/noun verb/noune.g e.g.like likedislike dislike il il+ +adjective adjectivee.g e.g.logical logicalillogical illogical imim+ +adjective adjectivee.e.g.g.possible possibleimpossible impossible inin+ adjective  e.g active  inactive + adjective  e.g active  inactive irir+ +adjective adjectivee.g e.g.responsible responsibleirresponsible irresponsible unun+ +verb/adjective  e.g pack  unpack verb/adjective  e.g pack  unpack Form Formthe theopposites oppositesofofthe the following words: following words: happy happy honest honest probable probable polite polite relevant relevant dependent dependent legal legal appear appear connect connect tie tie familiar familiar plug plug moral moral rational rational able able familiar familiar BeBecareful careful We Weuse: use: il il+ l+ l imim+ +m/p m/p irir+ +r r Complete Completethe thefollowing followingsentences sentenceswith withthe the opposites oppositesofofthe thewords wordsininbrackets: brackets: She (approves) She (approves)ofof people peoplewho whotell telllies lies Bob Bobisisalways always (friendly) (friendly)totostrangers strangers Jennifer Jenniferisisvery very (sociable); (sociable);she shedoesn’t doesn’tlike likebeing being with people with people This Thiskind kindofofbehavior behaviorisis (acceptable) (acceptable) She Shecan’t can’twait waitfor foranything; anything;she sheisis very very (patient) (patient) He Hedoesn’t doesn’tcare careabout aboutother other people’s feelings; he is people’s feelings; he is (sensitive) (sensitive) Tim is very Tim is very (grateful); (grateful); hehenever neverseems seemstotoremember rememberthe the help helpother otherhave haveoffered offeredtotohim him Teenagers Teenagersshouldn’t shouldn’tshow show (respect) (respect)totothe the elderly elderly There Thereisisstrong strong (agreement) (agreement)between betweenthe thetwo twoboys boys She Sheisis (willing) (willing)totohelp help ususfinish finishthe theproject project Eating Eatingfast fastfood foodisis (healthy) (healthy) ItItisis (natural) (natural)totohave have such suchheat heatatatthis thistime timeofofyear year Forming opposites (KEY) In order to form opposites we use prefixes Prefixes not change the part of speech, only the meaning The most commonly used ones are the following: dis dis+ +verb/noun verb/noune.g e.g.like likedislike dislike il il+ +adjective adjectivee.g e.g.logical logicalillogical illogical imim+ +adjective adjectivee.e.g.g.possible possibleimpossible impossible inin+ adjective  e.g active  inactive + adjective  e.g active  inactive irir+ +adjective adjectivee.g e.g.responsible responsibleirresponsible irresponsible unun+ +verb/adjective  e.g pack  unpack verb/adjective  e.g pack  unpack Form Formthe theopposites oppositesofofthe the following words: following words: happy happyunhappy unhappy honest dishonest honest dishonest probable improbable probable improbable polite politeimpolite impolite relevant irrelevant relevant irrelevant dependent independent dependent independent legal legal illegal illegal appear disappear appear disappear connect disconnect connect disconnect tie tie untie untie familiar unfamiliar familiar unfamiliar plug unplug plug unplug moral moralimmoral immoral rational irrational rational irrational able able unable/disable unable/disable familiar unfamiliar familiar unfamiliar BeBecareful careful We Weuse: use: il il+ l+ l imim+ +m/p m/p irir+ +r r Complete Completethe thefollowing followingsentences sentenceswith withthe the opposites oppositesofofthe thewords wordsininbrackets: brackets: She disapproves (approves) She disapproves (approves)ofof people peoplewho whotell telllies lies Bob Bobisisalways alwaysunfriendly unfriendly(friendly) (friendly) totostrangers strangers Jennifer Jenniferisisvery veryunsociable unsociable (sociable); (sociable);she shedoesn’t doesn’tlike likebeing being with people with people This Thiskind kindofofbehavior behaviorisis unacceptable unacceptable(acceptable) (acceptable) She Shecan’t can’twait waitfor foranything; anything;she sheisis very veryimpatient impatient(patient) (patient) He Hedoesn’t doesn’tcare careabout aboutother other people’s feelings; he is insensitive people’s feelings; he is insensitive (sensitive) (sensitive) Tim Timisisvery veryungrateful ungrateful(grateful); (grateful); hehenever neverseems seemstotoremember rememberthe the help helpother otherhave haveoffered offeredtotohim him Teenagers Teenagersshouldn’t shouldn’tshow show disrespect (respect) to disrespect (respect) tothe theelderly elderly There is strong disagreement There is strong disagreement (agreement) (agreement)between betweenthe thetwo twoboys boys She Sheisisunwilling unwilling(willing) (willing)totohelp helpusus finish finishthe theproject project Eating Eatingfast fastfood foodisisunhealthy unhealthy (healthy) (healthy) ItItisisunnatural unnatural(natural) (natural)totohave have such heat at this time of year such heat at this time of year