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1、2011级英语总复习构词法-2初中英语形容词否定前后缀语法归纳否定形式规律例词中文释义dis-dishonest不诚实的im-在字母p, m, b前，初中英语主要在字母p前impoliteimpossibleimpatient不礼貌的不可能的不耐烦的in-incorrectinactive不正确的不活跃的ir-在字母r前irregular不规则的-lessuselesscarelesshomelesshopelessendless无用的粗心的无家可归的没有希望的无尽的un-(大多数形容词否定前缀都是以un-开头）unimportantunpopularuncomfortableunnecess
2、aryunhappyunwelcomeuncommonunableunfriendlyunhealthyunsafeunfairunusual不重要的不流行的不舒适的不必要的不开心的不受欢迎的，讨厌的不普通的不能的不友好的不健康的不安全的不公平的 不同寻常的特别提醒：初中阶段，形容词否定前缀大多以un-构成，除去少数几个以-less否定后缀结尾外，不是以un-否定前缀构成的形容词基本上只有7个。 即上表中以dis-, im-, in-, ir-开头的七个例词。换言之，如果把这七个词烂熟于心，那么记忆形容词否定前缀就将事半功倍。以un-开头的形容词其前面的冠词用的是an。例如：an unusua
3、l boy。dis-否定前缀除了形容词dishonest外，还常常用在动词前构成否定形式，如dislike, disagree, disappear等。用所给单词的适当形式填空：1. You will be_ (able) to pass the exam if you dont study hard.2. There are lots of _ (common) kinds of birds in Zhalong. Many people like to go birdwatching there.3. It is _ (necessary) for you to walk the litt
4、le dog once a week to the park.4. It is _ (important) to keep quiet when you watch the birds and insects.5. He feels _(happy) because he lost his wallet.6. There is a _ (regular) rain in Sahara desert every year.7. Is it _(possible) to get to the city by train?8. Some people are _ ( friendly) to bir
5、ds. They throw stones to them.9. Some people feel _ (happy) that government give poor people such small and _(comfortable) flats.10. It is _ (safe) to walk on the street at night.11. We should keep students staying away from the _ (healthy) books.12. These trainers are too small. They are _(comforta
6、ble) to wear.13. If someone does not show good manners to others, he is _(polite). 14. Jim never tells lies and he is an _ (honest) boy.15. This girl is so _(care) that she often makes mistakes in her homework. 江苏13城市中考试题汇编1. Its _(friendly) of him to say such bad words to his classmates. (08常州)2. D
7、ont get _(patient) about your personal trouble. (08无锡)3. He seemed _(friend) at first, but now Ive got to know him and I realize hes warm and kind. (08徐州)4. If someone doesnt show good manners to others, he or she is _(polite). (08宿迁)5. Its so _(不公平的)! Mary gets more money for less work. (09镇江)6. Th
8、e basketball team was _(luck) to lose in the final minute of the game. (09徐州)7. In some ways, the space shuttles travel fast, but the journey to Mars may be very_(comfortable). (09泰州)8. its _(possible) for us to finish so much work within so little time. We need help.(2010南通)9. Simon is such a _(hon
9、est) person that no one believes him. (2010扬州)10. Dont be _(patient)! You should listen to what he is saying first. (2010常州)11. It is _(possible) for me to design the poster without your help. (2010泰州)12. its not easy for those superstars to face _(无穷无尽的)interviews and doubts.(2010镇江)Keys:用所给单词的适当形式
10、填空1. unable 2. uncommon 3. necessary 4. important 5. unhappy 6. irregular 7. possible 8. unfriendly 9. unhappy, uncomfortable 10. unsafe 11, unhealthy 12. uncomfortable 13. impolite 14. honest 15. careless江苏13城市中考试题汇编1. unfriendly 2. impatient 3. unfriendly 4. impolite 5. unfair 6. unlucky 7. uncomfortable 8. impossible 9. dishonest 10. impatient 11. impossible 12. endless
