(
课件网) 1. 找出；查明；弄清楚 ； 2. 骑自行车上学 ； 3. 关闭 ； 4. 请求；要求 ； 5. 处理 ； 6. 把……分类…… ； 7. 扔掉；丢弃 ； 8. 对……有害 ； find out ride a bike to school turn off ask for do with divide...into... throw away be harmful to 9. 尽可能…… ； 10. 如果可能 ； 11. 最好做某事 ； 12. 把……变成…… ； 13. 许多；很多 ； 14. 希望 ； 15. 采取措施 ； 16. 以便；为了；目的是 ； 17. 起草 。 as...as possible if possible It is better to do sth. change...into... tons of hope for take steps so that draw up Reuse means “use again”. Though pollution is heavy now, I don’t think it’s hopeless. 将两个或两个以上独立且语义不同的单词合在一起构成新词的方法称作合成法。 合成名词 afternoon, sportsman, blackboard, newspaper, airplane, classmate… 合成形容词 kind-hearted, middle-aged, hard-working… 合成副词 however, maybe… 合成代词 himself, everyone, nothing… 合成动词 overlook… 通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法称作派生法。 前缀 含义 例词 dis- 不 disagree, dislike en- 使……处在某种状态 enable, enrich im-, in- 不 impossible, impatient, inexpensive inter- 在……之间 international, interconnect mis- 错误的 mislead, misunderstand non- 不，非 non-smoker, non-native re- 再，重复 rewrite, retell un- 不 unable, unhappy, unpopular 后缀 含义 例词 -er, -or 构成名词 teacher, worker, visitor -ian musician -ing building, painting, shopping -ist artist, scientist -ment agreement, government -ness coldness, happiness, illness -th truth, warmth -tion competition, education, information -ty activity, safety 后缀 含义 例词 -able, -ible 构成形容词 comfortable, eatable, enjoyable -al environmental, international -ful careful, helpful -ive active, expensive -less careless, helpless, homeless -ly friendly, lovely, monthly -ous dangerous, famous -teen 构成数词 eighteen, fifteen, seventeen -th fifteenth, fifth, fortieth -ty forty, sixty, twenty -ly 构成副词 badly, carefully, happily 词根 词缀 名词 形容词 副词 + … interest uninterested interestingly uninteresting interested interesting help helpfully helplessly helpful helpless able disable unable enable ability 英语构词法中把一种词性转化为另一种词性而词形不变的方法称为转化法。 (1) v. → n. — Let’s talk about it more. — I think we’d better finish the talk now. — 咱们再谈谈这件事吧。 — 我想我们最好现在结束谈话。 (2) n. → v. — She gave me a cup of water. — You should water the flowers twice a day. — 她给了我一杯水。 — 你应该每天给这些花浇两次水。 (3) adj. → n. — She was wearing a black dress. — The girl in black looks very beautiful. — 她穿着一条黑色的裙子。 —那个穿黑衣服的女孩看上去很漂亮。 Sometimes if you know the meaning of the parts of a word, you can work out the meaning of the whole word. re + new + able: re = again, able = can be renewable = can be new again 1 Make new words. Join the parts of the words in Box A with the words in Box B. you need to use some of the parts more than once. -able -ful im- -less re- un- care coll ... ...
