1、必修四unit 3词性转换名词形容词副词动词动词ing动词过去式动词过去分词humor / humour幽默humorous / humourous幽默的brightness亮度，明亮bright明亮的，聪明的brightly明亮地brighten使明亮，使更有希望，使更愉快brighteningbrightenedbrighteneddepression忧郁depressed忧郁的depressing令人忧郁的depress使忧郁depressingdepresseddepressedcontent满意content满意的（主语一般为人）content使满意（注：contend v. 竞争）
2、contentingcontentedcontentedperformance表演performer表演者perform表演performingperformedperformedastonishment惊讶（相当于surprise）astonished惊讶的（相当于surprised）astonishing令人惊讶的（相当于surprising）astonishingly令人惊讶地astonish使惊讶（相当于surprise）astonishingastonishedastonishedfortunate幸运的unfortunate不幸的fortunately幸运地unfortunatel
3、y不幸地boredom厌倦bored无聊的boring令人感到无聊的bore使厌烦boringboredboredentertainment娱乐，款待entertaining愉快的，有趣的entertain使欢乐，款待entertainingentertainedentertainedcharm魅力，魔力charmed着迷的charming迷人的，有魅力的charm使着迷charmingcharmedcharmedhomelessness无家可归homeless无家可归的stiffness僵硬，生硬stiff僵硬的，呆板的stiffly僵硬地，呆板地stiffen使变僵硬stiffenings
4、tiffenedstiffenedfailure失败fail失败failingfailedfailedoptimism乐观（主义）optimistic乐观的optimistically乐观地reduce减少reducingreducedreducedovercome克服overcomingovercomeovercomeenjoyment享受，乐趣enjoyable令人愉快的enjoy享受enjoyingenjoyedenjoyedconvinced信服的convincing令人信服的convince使信服convincingconvincedconvinceddirection方向，目标，指
5、点director导演direct直接的，率直的 direct指导，导演directingdirecteddirectedconfidence自信confident自信的confidently自信地particular特别的particularly特别地occasion时刻，场合occasional偶尔的，临时的occasionally偶尔地amusement娱乐amused愉快的，被逗笑的amusing令人发笑的，好笑的amuse使发笑，使愉快amusingamusedamusedexplanation解释，说明explain解释，说明explainingexplainedexplainedmountain山mountainous多山的whisper耳语，低语whisper低语whisperingwhisperedwhisperedreaction反应reactive反应的react反应reactingreactedreacted
