形容词的否定 (前缀)

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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 7.able → unable 9.successful → unsuccessful 11.healthy → unhealthy 13.suitable → unsuitable 15.kind → unkind 17.safe → unsafe (dangerous) 19.usual → unusual 21.pleasant → unpleasant 23.lucky → unlucky 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‘ 1.possible → impossible 3.patient → impatient 四．在单词前加‘in’

6.welcome → unwelcome 8.common → uncommon 10.excited → unexcited 12.popular → unpopular 14.grateful → ungrateful 16.likely → unlikely 18.helpful → unhelpful 20.willing → unwilling 22.real → unreal 24.luckily → unluckily im’

2.polite → impolite (rude)
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 → careless 3.useful → useless

★不一样的单词

1.boring → interesting 3.closed → open 5.cold → hot 7.easy → difficult 9.fast / quickly → slowly 11.hungry → full 13.long → short 15.young → old 17.dangerous → safe 19.empty → full 21.soft → hard

23.true → false 25.male → female

2.carefully → carelessly 2.cheap → expensive 4.close → far

6.dark → bright / light 8.fast / quick → slow 10.heavy → light 12.large → small 14.strong → weak 16.right/correct → wrong 18.dirty → clean 20.noisy → quiet 22.generous → mean

24.thin/slim → fat

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