Exercises of Derivation and Word spelling EX1. Complete the following sentences by adding a prefix to the words.
1. Rose said that it was ___fair if Dad gave me a dictionary but gave her only a diary. 2. The mother ___dressed the baby, then put him in a basin of warm water.
3. Though he didn’t win any medals in the last sports meet, he was not ___couraged. 4. It’s ___possible for anyone to finish the work within such a short time. 5. Please don’t ____understand what I have said.
6. This cloth would be ___visible to anyone who was ___fit for the office he held
EX2. Add a negative prefix to each group to create words with opposite meaning.
____-appear ability agree honest
____-usual expected experienced willing happy lucky fortunately ____-convenient correct capable visible ____-possible polite mature ____-stop smokers
____-understand take fortune lead
EX3. Do you know the meaning of the following prefixes? Can you list more words with these
prefixes? Come on ! re—retell en--encourage post--postwar pre—pre-reading under--underground over--overwork sub--subway
Sino—Sino-American
EX4. Suffix
加后缀时的拼写规则：
①以不发音e结尾的去掉e再加后缀→
②以辅音字母+У结尾的变У为i再加后缀 satisfy→satisfied ③以重读辅元辅音节双写最后一个字母再加后缀 sun→sunny
adj. –able (加在名词、动词后)“可----的” “能-----的” knowable valuable unforget___ --ful (加在名词后)
①“充满时的量”handful mouthful spoonful ②“富有----的”“充满---的”careful hopeful
←→--less careless hopeless (use\\ power\\meaning)
--ive active creative attractive
--al natural national environmental --ous dangerous adventurous famous --ish childish selfish --an American Indian
--y “多-----的” cloudy windy icy
n. ⑴adj.→n. ①+ness sadness illness darkness
②-ent→-ence different→___________ patient→___________
(absent\\present\\dependent\\silent)
-ant→-ance important→___________ distant→___________
③+ity able→______active→_________similar→_______
equal→____
⑵v. →n.
①+ment movement agreement government entertainment ② -t+ion act→action collect invent attract direct product protect suggest express impress -te→-tion celebrate→celebration communicate educate graduate pollute contribute translate liberate +ation inform→information transport examine explore admire organize combine
⑶表示“人”
--er worker\\writer\\dancer\\player
--or visitor\\director\\inspector\\translator --ant servant\\assistant
--ist artist\\pianist\\journalist\\cyclist
--ian musician\\historian\\comedian\\librarian
adv. --ly (区别adj)
--wards forwards\\backwards\\sunwards\\northwards
EX5. Word spelling （义→性→形）
1. Tom didn’t pass the mid-term test because of his __________（粗心）care 2. Although they are twins, they often have __________ （分歧）in doing things together. differ 3. More and more __________ （西方人）are becoming interested in China. Western 4. Learning to speak a foreign language can ________（丰富） one’s life. rich 5. He is a doctor with ________（耐心）. patient 6. .__________（不幸）, an accident happened to his brother. fortune 7. October 1st is our N_________ Day. nation 8. WTO stands for the World Trade O______________. organ 9. China’s athletes won the most medals in Doha A_______ Games last year. Asia 10. He is a good p________. He often practices playing the piano. Piano
