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/J/。

例:altogether/&:lt+'geJ+/,farther/'fa J+/,feather/'fe J+/,

whether/'we J+/,either/'ai J+/,gather/'g J+/

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/J/。

例:within/wi'Jin/,without/wi'Jaut/,these/Ji:z/,therefore/'>J#+f&:/,al-though/&:lJ+u/,those/ J+ uz/,the/ J+/,thus/ J)s/

发音特殊的单词:through/Iru:/,throughout/'Iru:aut/

3.字母组合th在数词(包括基数词和序数词)中读清辅音/I/。

例:three/Iri&:/,thirty/'I+:ti/,thirteen/'I+:'ti:n/,

third/ I+:d/,fourth/f &:I/,fiftieth/'fiftii I/,

thousand/'Iauz+nd/,hundredth/'h)ndr+dI/

4.除上述单词外,一般位于词首的th读/I/。

例:theatre/'Ii+t+/,thick/Iik/,thin/Iin/,throat/Ir+ut/,theory/'Ii+ri/,thrust/Ir)st/,thread/Ired/,thorough/')r+/,Thursday/'I+:zdi/

5.以th结尾的单词,th读清辅音/I/。

例:truth/tru:I/,worth/w+ :I/,breath/breI/,both/b+uI/,cloth/kl&I/,path/pa :I/,wealth/welI/,length/leRI/,strength/streRI/

发音特殊的单词,例:smooth/smu:J/

6.在复合词中,th的读音与在原词中的读音相同。

例:something / 's)mIiR/,anything/'eniIiR/,nothing/'n^)IiR/

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/m^$Is/,arithmetic/+'riIm+tik/,clothing/kl+uJiR/,

clothes/kl+uJz/,southern/'s)J+n/,northern/'n &:J+n/,

worthy/'w+:Ji/,author/'&:I+/,sympathy/'simp+Ii/