Page 87 - New Grammar with a Smile 3

Vocabulary

1 Prefixes

Sometimes, we add a letter or a set of letters before a word to change its meaning.
Such letters are called prefixes. Common prefixes are a, un, mis, ir, dis and im. These

prefixes help to form the opposites of words.

y happy – unhappy y tidy – untidy

y fair – unfair y healthy – unhealthy

y correct – incorrect y kind – unkind

y possible – impossible y well – unwell

y polite – impolite y complete – incomplete

y regular – irregular y honest – dishonest

y direct – indirect y fit – unfit

y agree – disagree y use – misuse

y active – inactive y pure – impure

y comfort – discomfort y perfect – imperfect

y lock – unlock y tie – untie

y paid – unpaid y popular – unpopular

y able – unable y do – undo

y dress – undress y interesting – uninteresting

y direct – indirect y moral – immoral

y appear – disappear y responsible – irresponsible

y sure – unsure y natural – unnatural

y balance – imbalance y interested – disinterested

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