英语单词中组合字母有哪些

一、ER组合

①ER在重读音节中读长音[ə:]

service ['sə:vis] nervous ['nə:vəs] person ['pɜ:sn] prefer [prɪ'fɜ:(r)] certain [ˈsə:tn] serve [sɜ:v]

②ER在非重读音节中读短音[ə]

over ['əuvə] paper ['peipə] customer ['kʌstəmə] lantern ['læntən] eraser [i'reizə] ruler ['ruːlə]

二、TH组合

①TH组合读清音[θ]

['helθi] tooth [tu:θ] maths [mæθs] thing [θiŋ] think [θiŋk] thousand ['θauzənd] bath ['bɑːθ]

②TH组合读浊音[ð]

this [ðis] that [ðæt] weather ['weðə] whether [ˈweðə] brother ['brʌðə] their [ðεə] with [wið]

三、EA组合

EA组合读音比较复杂，有以下四种

①EA组合读[i:]

cheap [tʃiːp] easy ['iːzɪ] east [iːst] real [riːl] beat [bi:t] peace [pi:s] increase ['inkri:s]

②EA组合读[e]

weather ['weðə] healthy ['helθi] wealth [welθ]bread [bred] breakfast ['brekfəst] ready ['redi]

③EA组合读[iə]

idea [ai'diə] theatre ['θiətə] really ['riəli] area ['εəriə] realize[ˈrɪəlaɪz]

④EA组合读[ei]

break [breik] great [greit]。