E字母及其字母组合的发音规律
1. e在重读音节中的读音规则：
1). e在开音节中读/i:/,
必修1： equal, extreme, legal, compete,
必修2：appreciate, athlete, rebuild,
2). e在闭音节中读/e/，
如必修1： end, dialect, beg, bend, delta, educate, educated, electricity, elevator, event, express, expression, generous, identity, midwesttern, Netherlands, petrol, president, recognize, relative, request, rescue, schedule, secondly, self, selfish, selfless, selflissly, sentence, settle, shelter, smelly, spellbind, spelling, terror, upset, vet, well;
必修2： affect, attention, decorate, eletronic, ending, entrance, evidence, insect, intelligence, intelligent, medal, network, pretend, protection, reseption, regular, relic, revolution, select, sensitive, technology, technological, unexpected, web,
2. e在非重读音节中的读音规则
1）e /i/ (非重读音节中，e在d, b, r后常读/i/；在-ness,-less中常读/i/)：
必修1：because, beneath, blanket, detail, determine, devote, devoted, electricity, elevator, enrich, entire, entirely, escape, event, prefer, meantler, recover, release, reliable, reporter, republic,request, reward selfless selflessly, useless
必修2：belong, carpet, debate, decrease, deserve, design, devotion, employ, happiness, hopeless, reality, pretend, reseption, relief, rely, remove, replace, reserve, respond, responsibility, secure, select,
2) e / / （e在n前常读/ /）
必修2: confident, evidence, incident, instrument, intelligence, intelligent, jewel, operator,
3.e的字母组合的读音规则
1). er在重读音节中常读//,
如必修1: determine, concern, German, prefer, certain;
必修2： mercy, personal, personally, universal,
er在非重读音节中和后缀-er常读//，
如必修1：conquer, ever, disaster, item, presidentce, violence latter, lawyer, midwester, miner, reporter, shelter, suffer, suffering, teenager, thunder；
必修2： advertise, afterwerwards, character, former, laughter, passer-by, perform, performance, poster, powerful,
2). ere读/ /：here
/e/：there
3). ee，eo读/i:/, 如disagree, fee, Greece, Greek, succeed, people,
/i:/, 如 leap，league, mean, peaceful, release, steam，decrease, teamate,
4). ea //, 如 appearance,
/e/, 如 great
/e/, 如 headline, threaten,
5). eer读//，如必修2： volunteer,
ear+辅音时，ear读//，如 earthquake, earn,
6). ear / i /： beard,
/e/：bear 但heart读/a:/
7). c+ ei时，ei读/i:/，如receive
8). j+ ew 时，ew读/:/，如Jewish, jewel
9). ey/i/: journey, valley, honey, 但key读/i:/
10). ei, eigh 读/ei/, 如 veil, eight
※但height, either读/ai/,
11). 重读音节中或次重读音节中，ex在清辅音前常读/eks/：extra, exercise,
非重读音节中，ex在清辅音前常读/iks/：
extreme, explore, explode, extingtion, unexpected,
ex在原音前常读/igz/: examine, example, exactly,