26个字母中有5个纯元音字母（A E I O U），20个纯辅音字母。字母Y为半元音字母，当Y位于词首时为辅音字母，位于词中或词尾时为元音字母，其读音与字母I相同。掌握五个元音字母的读音及其组合规律是学好英语的关键。元音字母在单词中可以单独发音，也可以跟其它字母构成字母组合一起发音，常见的组合有：
一、五个元音字母在重读开音节与重读闭音节的读音
1.元音字母Ａ
１）在重读开音节中读字母音[ei ]
例如：name [neim] grade [greid] eraser [i'reisə] cake [keik] same [seim]table ['teibl] late [leit]
or的三种发音的单词，favourite ['feivərit] face [feis] tape [teip] plane [plein] potato [pə'teitəu] skate [skeit] make [meik]
lake [leik] take [teik] save [seiv] station ['steiʃən] baker ['beikə] place [pleis] tomato[tə'meitəu]
safe [seif] gate [geit] snake [sneik] cage [keidʒ] baby ['beibi] paper ['peipə] famous ['feiməs]
later ['leitə] radio ['reidiəu] patient ['peiʃənt]
2）在重读闭音节中读[æ]
例如：map [mæp] bag [bæg] apple ['æpl] fax [fæks] glad [glæd] hat [hæt] black [blæk]
catch [kætʃ] hamburger ['hæmbə:gə] math [mæθ] rabbit ['ræbit] bank [bæŋk] accident ['æksidənt]
２.元音字母Ｅ
１）在重读开音节中读字母音[i:]
例如：these [ði:z] we [wi:] evening ['i:vniŋ] be [bi:] even ['i:vən] Chinese['tʃai'ni:z]
Japanese[，dʒæpə'ni:z] she [ʃi:] he [hi:] me [mi:] metre ['mi:tə] Swedish ['swi:diʃ] scenery ['si:nəri] eve [i:v]
2).在重读闭音节中读字[e]
例如：ten [ten] spell [spel] pen [pen] desk [desk] egg [eg] welcome ['welkəm] let [let]
address [ə'dres] dress [dres] next ['nekst] leg [leg] empty ['empti] mend [mend]
chess [tʃes] rest [rest] letter ['letə] better['betə] left [left] tell [tel] remember [ri'membə]
invent [in'vent] December [di'sembə] wet [wet] message ['mesidʒ]
３.元音字母Ｉ
or音标是[ɔ:]。OR，英文单词，代词、连词，作代词时意为“ 或，或者；还是”，作名词时意为“人名；(中)柯(广东话·威妥玛)；(柬)奥；(土、匈、土库、阿塞、瑞典)奥尔”。例句：Should I go this way or 。
１）在重读开音节中读字母音[ai]
例如：hi [hai] nine [nain] minus ['mainəs] Chinese['tʃai'ni:z] fine [fain] licence ['laisəns]
wife [waif] kite [kait] white [hwait] line [lain] mine [main] beside [bi'said] knife [naif]
exciting [ik'saitiŋ] lion ['laiən] tiger ['taigə] quite [kwait] diary ['daiəri] science ['saiəns]
invite [in'vait] wine [wain] quiet ['kwaiət] surprise [sə'praiz]
２）在读闭音节中读字母音[i]
例如：six [siks] think [θiŋk] picture ['piktʃə] twin [twin] with [wið] drink [driŋk]
chips [tʃip] swim [swim] sing [siŋ] dinner ['dinə] dish [diʃ] trip [trip] winter ['wintə] pick [pik] lift [lift] village ['vilidʒ]
４.元音字母Ｏ
１）在重读开音节中读字母音[əu]
例如：no [nəu] hello [hə'ləu] home [həum] those [ðəuz] over ['əuvə] phone [fəun]
open ['əupən] so [səu] nose [nəuz] broken ['brəukən] robot ['rəubɔt] code [kəud]
close [kləuz] smoke [sməuk] October [ɔk'təubə] hope [həup] ago [ə'gəu] Rome [rəum]
suppose [sə'pəuz] mobile ['məubil] notice ['nəutis]
２）在重读闭音节中读[ɔ]
例如：not [nɔt] clock [klɔk] forgot[fə'gɔt] doctor ['dɔktə] lock [lɔk] doll [dɔl] from [frɔm]
sock [sɔk] shop [ʃɔp] hot [hɔt] fog [fɔg] hospital ['hɔspitl] job [dʒɔb] hobby ['hɔbi]
rock [rɔk] concert ['kɔnsət] song [sɔŋ] crop [krɔp] opposite ['ɔpəzit]
５.元音字母Ｕ
１）在重读开音节中读字母音[j u:]
例如：computer[kəm'pju:tə] excuse [iks'kju:z] student ['stju:dənt] use [ju:z]
music ['mju:zik] usually ['ju:ʒuəli] refuse [ri'fju:z] human ['hju:mən]
produce [prə'dju:s] scuba ['skju:bə] contribution [，kɔntri'bju:ʃən] pupil ['pju:pl] universe ['ju:nivə:s] huge [hju:dʒ] duty ['dju:ti]
２）在重读闭音节中读[ʌ]
例如：number ['nʌmbə] plus [plʌs] cup [kʌp] bus [bʌs] much [mʌtʃ] us [ʌs]
husband ['hʌzbənd] uncle ['ʌŋkl] must [mʌst] lunch [lʌntʃ] hundred ['hʌndrəd]
summer ['sʌmə] duck [dʌk] subject ['sʌbdʒikt] suddenly ['sʌdnli]
二、五个元音字母分别与字母Ｒ组合（ar、er、ir、or、ur）在重读音节的读音
１）.ＡＲ读[a:]
例如：sharpener ['ʃɑ:pənə] car [kɑ:] dark [dɑ:k] arm [ɑ:m] card [kɑ:d]
park [pɑ:k] hard [hɑ:d] farmer ['fɑ:mə] party ['pɑ:ti] artist ['ɑ:tist] garden ['gɑ:dn] far [fɑ:]
2）.ER读[ε:]
例如：term [tə:m] certainly ['sə:tənli] person ['pə:sn] university [，ju:ni'və:siti]
Germany ['dʒə:məni] serve [sə:v] prefer [pri'fə:] deserve [di'zə:v] nervous ['nə:vəs] expert [ek'spə:t]
3）.IR读[ε:]
or的读音：英 [ɔː(r)] 美 [ɔːr]【意思】1、conj. 或，或者；还是；要不然 2、n. (Or)人名；(中)柯(广东话·威妥玛)；(柬)奥；(土、匈、土库、阿塞、瑞典)奥尔 【短语】。
例如：skirt [skə:t] thirty ['θə:ti] thirsty ['θə:sti] first [fə:st] birthday ['bə:θdei] circle ['sə:kl] dirty ['də:ti]
４）.ＯＲ读[ɔ:]
例如：for [fɔ:] short [ʃɔ:t] sport [spɔ:t] born [bɔ:n] report [ri'pɔ:t] north [nɔ:θ]
fork [fɔ:k] nor [nɔ:] order ['ɔ:də] corner ['kɔ:nə] storm [stɔ:m] afford [ə'fɔ:d] performance [pə'fɔ:məns] pork [pɔ:k]
５）.ＵＲ读[ε:]
例如：purse [pə:s] purple ['pə:pl] Thursday ['θə:zdi] turkey ['tə:ki] turn [tə:n]
or音标是以下分为四种发音：1、or在词中一般念[ɔ:]如lord[lɔ:d]，2、在词尾一般念[ə]如director[di'rektə]。3、door[dɔ:]，or[ɔ:]。4、for[fɔ:]。or是五个-r。
church [tʃə:tʃ] disturb [dis'tə:b] hurt [hə:t] return [ri'tə:n] surfing ['sə:fiŋ] Turkey ['tə:ki]
三、ar、er、ir、or、ur分别与字母Ｅ组合的读音
1）字母ARE组合读[ɛə]
例如：careful ['kɛəfəl] software ['sɔftwɛə]
2）字母ERE组合读 [ɛə]/[ iə]
例如：here [hiə] where [hwɛə] there [ðɛə]
3）字母IRE组合读[aiə]
例如：tire ['taiə] fireplace ['faiəpleis] hire[haiə]
or的四种发音有：1、or 在词中一般念 [ɔ:] 如 lord [lɔ:d] ，2、在词尾一般念 [ə] 如 director [di'rektə]。3、door [dɔ:],or [ɔ:]。4、for [fɔ:]。
4）字母ORE组合读[ɔ:]
5）字母URE组合读[ʊə]/[ ə]
例如：sure [ʃʊə(r)] future [ˈfju:tʃə(r)]nature ˈ[]neɪtʃə(r)] picture [ˈpɪktʃə(r)]
