字母组合th的读音规则总结

字母组合th的读音规则总结现就中学英语课本中出现的含有字母组合th的单词，进行分类归纳，对其在单词中的读音总结以下几条。1在th后以字母-er结尾的单词中，th读浊辅音/。例：altogether/:ltge/，farther/fa/， feather/fe /，whether/we /，either/ai/， gather/g/2一般情况下，在代词、冠词、介词、连词或副词中的字母组合th，读浊辅音/。例：within/wiin/，without/wiaut/，these/i:z/，therefore/ef:/，al-though/:lu/，those/ uz/，the/ /，thus/ as/发音特殊的单词：through/ru:/，throughout/ru:aut/3字母组合th在数词（包括基数词和序数词）中读清辅音/。例：three/ri:/，thirty/:ti/，thirteen/:ti:n/，third/ :d/，fourth/f:/，fiftieth/fiftii/，thousand/auznd/，hundredth/handrd/4除上述单词外，一般位于词首的th读/。例：theatre/it/，thick/ik/，thin/in/，throat/rut/，theory/iri/，thrust/rast/，thread/red/，thorough/ar/，Thursday/:zdi/5以th结尾的单词，th读清辅音/。例：truth/tru:/，worth/w:/，breath/bre/，both/bu/，cloth/kl/，path/pa:/，wealth/wel/，length/le/，strength/stre/发音特殊的单词，例：smooth/smu:/6在复合词中，th的读音与在原词中的读音相同。例：something / sami/，anything/enii/，nothing/nai/还有前面提到的within，without等。7其他无规则可循的词分列如下：maths/ms/，arithmetic/rimtik/，clothing/klui/，clothes/kluz/，southern/san/，northern/n:n，worthy/w:i/，author/:/，sympathy/simpi/