神奇的单词(1).ppt

《神奇的单词(1).ppt》由会员分享，可在线阅读，更多相关《神奇的单词(1).ppt（19页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Magical English Words-About English Affixes and Words MemorizationHow large is the vocabulary of modern English?o oExpansion rate:25,000 words each year.How are new words created?opodcastoBlog oglobalization全球化全球化博客博客播客播客Podcast is a series of audio or video digital-media files which is distributed

2、over the Internet by syndicated download to portable media players and personal computers.How are new words created?oThe majority of English words are not the random combinations of several out of 26 letters;on the contrary,the existing morphemes are rearranged semantically and grammatically to prod

3、uce the new words.o大多数新词的创造并不是26个字母的随机组合，而是在语意和语法的基础上、对现有单词元素的重新构建。Words formation:root and affix单词的构成单词的构成:词根、词缀词根、词缀resistassistconsistinsistpersistresistantassistantconsistentinsistentpersistentadj.v.o resistantPrefix（前前缀）缀）modifies the meaning of the root,and generally dont change the its word-c

4、lass(词性）词性）.Root(词根）词根）is the basic form of a word,which cant be further divided.Suffix(后后缀缀)changes the grammatical function of root，or word class.Words formation:root and affix(preffix and suffix)单词的构成单词的构成:词根、词缀词根、词缀Compare English words with Chinese characterso岛、屿、岗、峦、峰、岭、峻、峭、岛、屿、岗、峦、峰、岭、峻、峭、o热、

5、烈、煎、熬、煮、熟、焦热、烈、煎、熬、煮、熟、焦How can affixes help with vocabulary study?o1.negative prefixes（否定前缀）：（否定前缀）：o a-,dis-,in-(il-,ir-,im-),non-,un-.2.Pejorative prefixes（贬义前缀）：（贬义前缀）：mal-,mis-,pseudo 3.degree or size(程度、大小）程度、大小）:o extra-,hyper-,out-,over-,super-,ultra-;micro-,mini-,sub-,under-o4.orientation a

6、nd attitude（方向、态度）（方向、态度）:o anti-,counter-,pro-o5.locative(方位）方位）:o fore-,inter-,intra-,trans-o6.time and order(时间、顺序）时间、顺序）:o ex-,fore-,post-,pre-,re-o7.number:o bi-,multi-,semi-(hemi-),tri-,uni-(mono-)o seven categories of prefixesSummary about prefixes:oPrefixes dont change the word-class or part

7、-of-speech of the roots.But there are also exceptions:osleep asleepoearth unearth(v.挖出）挖出）oWar postwar(adj.战后）战后）SUFFIXESNOUN SUFFIXES(1)oengine engineer host hostess king kingdom slave slavery friend friendshiphappy happinessPopular popularityN to NA to NNOUN SUFFIXES(2)employ employer(ee)(ment)dep

8、end dependencearrive arrivalprotect protectionjudge judgementcarry carriage/carrier2.ADJECTIVE SUFFIXESwood woodedsuccess successful child childishprice priceless dream dream-like friend friendly rely reliable decide decisive 3.ADVERB SUFFIXESocalm calmlyodown downwardoclock clockwise4.VERB SUFFIXES

9、oorigin originateostrength strengthenobeauty beautifyosymbol symbolize Tips:How to learn affixes?How to expand vocabulary:through affixation!loadUpload/downloadunloadoverloadshiploadtrainloadworkloadv.上传上传/下载下载n.工作量工作量n.火车载重火车载重n.船载重船载重v&n.超载超载v.卸货卸货How to expand vocabulary:through affixation!magnetmagneticmagnetismmagnetizedemagnetizegeomagneticelectromagneticferromagnetica.磁性的磁性的n.磁性磁性v.使磁化使磁化v.消磁消磁a.铁磁的铁磁的a.地磁的地磁的a.电磁的电磁的