构词法Word Formation
在英语中，词的构成方式主要有三种：合成、转化和派生。
一、合成Compounding 两个或更多的词合成一个词。
方式：1. 直接写在一起。 2. 用连字符(-)连接。 3. 由两个分开的词构成。
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(4)合成副词however, maybe, wherever, whenever, forever
(5)合成代词whoever,, whatever, everyone, nobody, myself, something, anything,
二、派生Derivation
前缀
注意：-ese, -ian, -ist 既可以构成名词，又可以构成形容词。
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三、转化Conversion: 指一个词不变化词形，而由一种此类转化为另一种词类或几种词类。
1. 名词和动词之间的转化
telephone电话——打电话, mirror镜子——像镜子一样反映, drink喝——饮料, record录音——记录, name, date, hand, study,
2. 形容词转化为动词perfect完美的——使完善
3.名词转化为形容词(副词) front前面——前面的
4.形容词转化为名词chief 主要的——首领
语法填空之构词法专项练习
1. The soldier died for saving the child，so his________（die）is heavier than Mount Tai.
2. The Great Wall is more than 6000 li in ________(long).
3. How________ (fool) he is!
black people were against slavery and fought for their ________(free) bravely.
5. What you said sounded________(reason) but in fact it was untrue.
thing you should do is to _____(large) your vocabulary.
(honest)speaking，I didn’t do it on purpose.
8.Tianjin and Guangzhou were also found to be safe from_____ (legal) drugs.
9. As he tried to read a map, he drove off the road into a river ______ (luck)
10. Thunder and lightning happen ______________ (simultaneous).
weather was good except for an _________ (occasion) shower.
12. The big earthquake made thousands of people ________(home).
13. I'm very careful not to give out my ________ (person) information.
14. To his______(puzzle), his son was ___(happy) hammering dents(凹痕) into the shiny paint of the truck.
15. While your IQ tells you how ______ (intelligence) you are, ……
16. Diet and exercise are __________(equal) important.
17. I felt a great sense of ___________（achieve）when I reached the top of the mountain.
18. The police successfully arrested Richard Matt , who was one of the country’s most wanted __________（crime）.
19. My _________(suggest) is that we should always have a notebook within easy reach.
police were interviewing the 30 museum __________(employ)
21. The mother didn’t know why her daughter was crying _______. (noise)
22. The boy had the _______ of being half starved. (appear)
23. Please give me some reference work. It will ______ my task. (simple)
24. It snowed _____ last night and now the streets are covered with snow. (heavy)
25. Edison was a great ______. During his life he had many ______. (invent)
26. More and more _____ have come to visit China over these years. （foreign）
27. We want _________ reasons for your failure to help. (satisfy)
28. The doctor said that Mary’s mother needed an _______.(operate)
29. The teacher was pleased with her _______. (honest)
30. The police have _______ a plot against the President. (cover)
