初中英语形容词的否定-(前缀和后缀) 学案
展开形容词的否定(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’
- 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 2.carefully → carelessly
3.useful → useless
