1、形容词的否定(反义词)加前缀1在单词前加fortable uncomfortable 2.happy unhappy3.necessary unnecessary 4.important unimportant5.friendly unfriendly 6.welcome unwelcome7.able unable mon uncommon9.successful unsuccessful 10.excited unexcited11.healthy unhealthy 12.popular unpopular13.suitable unsuitable 14.grateful ungrat
2、eful 15.kind unkind 16.likely unlikely17.safe unsafe (dangerous) 18.helpful unhelpful19.usual unusual 20.willing unwilling 21.pleasant unpleasant 22.real unreal23.lucky unlucky 24.luckily unluckily25.tidy untidy 2在单词前加dishonest dishonest 3在 p,b,m 开头的形容词前加im1.possible impossible 2.polite impolite (ru
3、de)3.patient impatient4在单词前加in1. correct incorrect 2.correctly incorrectly3. expensive inexpensive (cheap)5在 r 开头的形容词前加irregular irregular改后缀1.careful careless 2.carefully carelessly3.useful useless不一样的单词1.boring interesting 2.cheap expensive3.closed open 4.close far 5.cold hot 6.dark bright / light
4、 7.easy difficult 8.fast / quick slow 9.fast / quickly slowly 10.heavy light 11.hungry full 12.large small 13.long short 14.strong weak 15.young old 16.right/correct wrong17.dangerous safe 18.dirty clean19.empty full 20.noisy quiet 21.soft hard 22.generous mean 23.true false 24.thin/slim fat25.male female