一常见的表示纯否定意义的前缀有:dis-like喜欢→dislike不喜欢agree同意→disagree不同意appear出现→disappear消失in-complete完整的→incomplete不完整的correct准确的→incorrect不准确的direct直接→indirect间接im-possible可能的→impossible不可能的polite有礼貌的→impolite无礼的proper适当的→improper不当的il-legal合法的→illegal不合法的ir-regular规则的→irregular不规则的un-happy开心的→unhappy不快乐的fair公平的→unfair不公平的non-non-stopa.&ad.不停的,不断地ab-normal正常的→abnormal反常的即时练习:一、用括号里的单词的适当形式填空。1.Friedfoods_________________(agree)withme.Therefore,IseldomgotoKFC.2.Iwassupposedtoarriveattheairportontime.________________________(fortunate),Iwasheldupbytheheavytrafficjam.Unfortunately(adv.)不幸地disagree(vt.)不适应3.Shestillsuffersconsiderable___________________(comfort)fromherinjury.4.Theybelievein______________(violent),simplelivingandlittlecontactwiththemodernworld.nonviolence(n.)非暴力discomfort(n.)不舒服5.Iamsorrytotellyouthatthereisaslight____________________(accuracy)inthisdesign.6.Therefore,whentheybecomeoldertheyare__________________(able)todoanyotherkindofwork.unable(adj.)不能的inaccuracy(n.)不准确7.Veryearlythenextmorning,amazingly,wegotcompletelysatisfiedinatotally_________________________(expect)way.8.Theycreatewildly________________(usual)basketsindifferentshapesandcolors.unusual(adj.)不平常的unexpected(adj.)意料之外的9.Theparcelwasreturnedtothesenderbecausethedirectionswere______________________(correct)10.Theword“kick”sometimesisusedtodescribecomplaintorsomekindof____________________(dissatisfy).dissatisfaction(n.)不满incorrect(adj.)不准确的11.Iwon’tdothepurchasebecausethepriceofthisdressis_________________________(reasonable).12.Lonelinessinagloomyrainingdaymaybe________________________(bear)tohim.unbearable(adj.)不可忍受的不合理的unreasonable(adj.)肯定否定形式及中文意思1.responsible2.selfish3.honest4.ability5.employment6.approval7.important8.lucky9.necessary10.moralirresponsible不负责任的unselfish无私的dishonest不诚实的inability无能unemployment失业disapproval不赞成unimportant不重要的unlucky不幸运的unnecessary不必要的immoral不道德的