形容词的否定(前缀).docx

- - 形容词的否定 (反义词 ) ★加前缀 一．在单词前加‘ un’ 1.comfortable → uncomfortable 2.happy → unhappy 3.necessary → unnecessary 4.important → unimportant 5.friendly → unfriendly 6.welcome → unwelcome 7.able → unable 8.common → uncommon 9.successful → unsuccessful 10.excited → unexcited 11.healthy → unhealthy 12.popular → unpopular 13.suitable → unsuitable 14.grateful → ungrateful 15.kind → unkind 16.likely → unlikely 17.safe → unsafe (dangerous) 18.helpful → unhelpful 19.usual → unusual 20.willing → unwilling 21.pleasant → unpleasant 22.real → unreal 23.lucky → unlucky 24.luckily → unluckily 25.tidy → untidy 二．在单词前加‘ dis’ honest → dishonest 三．在 p,b,m 开头的形容词前加‘ im’ 1.possible → impossible 2.polite → impolite (rude) 3.patient → impatient 四．在单词前加‘ in’ 1. correct → incorrect 2.correctly → incorrectly 3. expensive → inexpensive (cheap) 五．在 r 开头的形容词前加‘ ir ’ regular → irregular ★改后缀 1.careful 3.useful  → →  careless useless  2.carefully  →  carelessly ★不一样的单词 1.boring → interesting 2.cheap → expensive 3.closed → open 4.close → far 5.cold → hot 6.dark → bright / light 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 → wrong 17.dangerous → safe 18.dirty → clean 19.empty → full 20.noisy → quiet 21.soft → hard 22.generous → mean 23.true → false 24.thin/slim → fat 25.male → female