1、Module 12 Save our world模块语法小专题语法精讲构词法1合成法将两个或两个以上的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语。常见的合成词有合成名词、合成动词、合成形容词等几种类型。如：football，worldfamous，schoolbag等。2派生法派生法又称前缀、后缀构词法，即在一个单词前或后加上前缀或后缀构成新的单词。(1)否定前缀前缀含义示例unimindismis不； 相反unhappy不高兴的；unhealthy不健康的impolite不礼貌的；impossible不可能的incorrect不正确的；independent独立的disagree不
2、同意；disappear 消失misunderstand误解(2)其他前缀前缀含义示例inter相互international国际的over超过overweight超重sub下，次，副subway地铁super超级superman超人(3)名词后缀后缀含义示例eroreseianist表示“人”worker工人；teacher 教师actor男演员；inventor发明者Chinese中国人；Japanese日本人Australian澳大利亚人pianist钢琴家；artist艺术家mentnesstion表抽象development发展； movement 运动illness疾病；kindn
3、ess 善良invention发明；action 行动(4)形容词后缀后缀含义示例able可能，易于enjoyable愉快的ful充满，具有性质careful仔细的less少的careless粗心的ly的fatherly父亲般的al的personal私人的en质地的golden金色的3.转化法转化法就是在不改变拼写形式的基础上，由一种词性转化为另一种词性，主要有名词转化为动词、动词转化为名词、形容词转化为动词或名词等。如：take谈论(动词)谈话(名词)colour颜色(名词)涂色(动词)calm平静的(形容词)使平静(动词)语法精练.请在括号内写出新单词，并注明其汉语意思。1dislike(
4、dislike) 不喜欢2impossible(impossible) 不可能3unhealthy(unhealthy) 不健康的4superstar(superstar) 超级明星5rewrite(rewrite) 重写6inexpensive(inexpensive) 不昂贵的7speaker(speaker) 讲话者/扬声器8happyness(happiness) 幸福，快乐9rainy(rainy) 下雨的10discussion(discussion) 讨论11changeable(changeable) 多变的12homeless(homeless) 无家可归的13agreeme
5、nt(agreement) 同意14visitor(visitor) 参观者15appearance(appearance) 外表，出现.用括号内所给单词的适当形式填空。16I think traveling by train is more popular.Because its much cheaper and far more enjoyable(enjoy)17I couldnt understand why he was so interested(interest) in the invitation.18It rained heavily(heavy)，so he didnt g
6、o to work yesterday.19Thank you very much for your invitation(invite)But Im so sorry that I cant come to your party tomorrow.20After the terrible earthquake，hundreds of people were homeless(home)21Jack does his homework carelessly(care)，so he often gets poor grades.22Have you got used to riding(ride) a bike to school?23With the development(develop) of science，we can enjoy life better.24His poor eyesight is a disadvantage(advantage) to him.25. Luckily(luck)，John got back the notebook that he had lost at the cafe.
