英语常用词缀与相关单词讲解ppt课件

常用词缀,前缀和后缀,1,前缀,前缀在英语单词的前面，以增加或改变其意义，通常弱读常用前缀：a-be-com-con-de-dis-im-in-pre-pro-re-,2,前缀例词,await等候away在远处alike同样的ahead在前面avoid避免aloud大声地alive活着的awake唤醒amaze使吃惊ashamed惭愧的amount总计aboard在（船/飞机/车）上avert转移achieve完成abandon放弃amend修正,3,前缀例词,between在之间become变成behold把视为because因为behind在后面below在下面before在之前belittle轻视befriend待之如友befall降临befool愚弄beside在旁边,4,前缀例词,compose写作combine联合compile编辑compress压缩complete全部的commute交换commend称赞,5,前缀例词,consist由组成consent同意condense浓缩confer赠予conclude作出结论contain包含convey传达convince使信服consume消耗confirm确定concord和谐conceit自高自大,6,前缀例词,decode解码debase贬低depress降低defrost除霜debate辩论decolour漂白deplane下飞机decide决定decease死亡deceive欺骗deduce推论detain拘留,7,前缀例词,dismiss解散disable使残废disorder无序dishonest不诚实的discard丢弃dispart分开dispense分配dispel驱散disgust厌恶displace转移display陈列dispose部署,8,前缀例词,impolite无礼的impeach控告imply暗示import进口impose强迫impure不纯的imperfect有缺点的imbalance不平衡impart给予impassive冷漠的impossible不可能的impair削弱,9,前缀例词,inflate膨胀incise切割incline倾斜invade侵略incur招致infect传染invest投资involve牵涉infuse灌输include包括increase增加inherit继承,10,前缀例词,predict预言precede比优先prepay预付prefer宁愿prepare准备presume假定pretend假装prevent防止prewar战前的preserve保存,11,前缀例词,protest抗议proceed继续进行protect保护provide供应produce制造profess声称prolong延长promote促进propel推进propose推荐provoke激怒proclaim宣布,12,前缀例词,recite背诵resist抵抗reform改革respect尊敬relax放松receive收到report汇报reflect反映repeat重复return返回refuse拒绝revise修订,13,后缀,加在词尾的字母，用以构成新词。常用后缀:-ous-ary-tive,14,后缀例词,nervous神经紧张的delicious美味的precious宝贵的envious羡慕的vicious恶意的obvious明显的humorous幽默的generous慷慨的vigorous精力旺盛的cautious谨慎的marvelous不可思议的glorious光荣的,15,后缀例词,dictionary字典solitary孤独的missionary传教士stationary固定的customary习惯的secondary次要的ordinary普通的necessary必要的voluntary自愿的literary文学的adversary敌手sanitary清洁的,16,后缀例词,captive被俘的sensitive敏感的posit