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1、.,英语单词构词法 -前缀和后缀,Prefix antigas防毒气的; autochart自动图表; cooperate合作; enjoy使高兴; internet互联网; reuse再用; subway地铁; telephone电话,a-(多构成表语形容词), anti- (反对;抵抗), auto- (自动), co- (共同), en- (使), inter- (互相), re- (再;又), sub- (下面的;次;小), tele- (强调距离)等。,back,.,(1)构成名词的后缀常用的有: -ence,-(e)r/ -or (从事某事的人),-ese (某地人),-ess (
2、雌性),-ful (一),-ian (精通的人),-ist (专业人员),-ment (性质;状态),-ness (性质;状态),-tion(动作;过程)等。,(2)构成动词的后缀常用的有: -(e)n (多用于形容词之后),-fy (使化),-ize (使成为),.,(3)构成形容词的后缀常用的有:,-al,-able (有能力的), -(a)n(某国人的), -en (多用于表示材料的名词后), -ern (方向的), -ese(某国人的), -ful,-(ic)al,-ish,-ive,-less (表示否定), -like (像的), -ly,-ous,-some,-y (表示天气)等
3、。,(4)构成副词的常用后缀有 -ly (主要用于形容词之后表示方式或程度), -ward(s) (主要用于方位词之后表方向)。,.,1.That man was _ enough not to tell the manager that he would not do the job. A. careB. carefulC. carelessD. carelessness,2.The child looked _at his brother who was badly wounded. A. sadly B. sadness C. sadder D.sad,3.He is an expert at chemistry. We all call him a _. chemistry B. chemical C. chemist D. physician,.,SUMMARY:,前缀(PREFIX)通常不改变词性,但是改变词义; 后缀(SUFFIX);后缀通常不改变词义,改变词性;,.,THANK YOU FOR YOUR LISTENING! GOODBYE!,