常见发长元音/i:/的字母组合有: e ，ee ，ea， ie，ei, ey，以下是这些字母组合发音训练，大家可以根据音标多阅读，锻炼语感。

英文原文：three tree green sheep meet beef see seek feel deep free Halloween week sleep street keep meeting street between sweet eat tea meat leave lead teacher team mean speak clean please cheap seat beat lead reason treat cheap each leave easy read reason meal repeat least clean jeans meal dream sweet need peanut jeans he she me we even evening
英式音标：[θriː] [triː] [ɡriːn] [ʃiːp] [miːt] [biːf] [siː] [siːk] [fiːl] [diːp] [friː] [ˌhæləʊ´iːn] [wiːk] [sliːp] [striːt] [kiːp] [´miːtɪŋ] [striːt] [bɪ´twiːn] [swiːt] [iːt] [tiː] [miːt] [liːv] [liːd] [´tiːtʃə(r)] [tiːm] [miːn] [spiːk] [kliːn] [pliːz] [tʃiːp] [siːt] [biːt] [liːd] [´riːzn] [triːt] [tʃiːp] [iːtʃ] [liːv] [´iːzi] [riːd] [´riːzn] [miːl] [rɪ´piːt] [liːst] [kliːn] [dʒiːnz] [miːl] [driːm] [swiːt] [niːd] [´piːnʌt] [dʒiːnz] [hi] [ʃi] [mi:] [wi] [´iːvn] [´iːvnɪŋ]
美式音标：[θriː] [triː] [ɡriːn] [ʃiːp] [miːt] [biːf] [siː] [siːk] [fiːl] [diːp] [friː] [ˌhæloʊ´iːn] [wiːk] [sliːp] [striːt] [kiːp] [´miːtɪŋ] [striːt] [bɪ´twiːn] [swiːt] [iːt] [tiː] [miːt] [liːv] [liːd] [´tiːtʃər] [tiːm] [miːn] [spiːk] [kliːn] [pliːz] [tʃiːp] [siːt] [biːt] [liːd] [´riːzn] [triːt] [tʃiːp] [iːtʃ] [liːv] [´iːzi] [riːd] [´riːzn] [miːl] [rɪ´piːt] [liːst] [kliːn] [dʒiːnz] [miːl] [driːm] [swiːt] [niːd] [´piːnʌt] [dʒiːnz] [hi] [ʃi] [mi:] [wi] [´iːvn] [´iːvnɪŋ]