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ieth sixty— sixtieth seventy— seventieth eighty— eightieth niy— niieth 基數(shù)詞變序數(shù)詞的口訣: 基變序,有規(guī)律,一、二、三特殊記,詞尾字母 tdd,八去 t,九去 e,ve要用 f替,整十基數(shù)變序數(shù),記得把 y變 ie,若是遇到幾十幾,只變個位就可以。 考點小練 young man plans to have a (two)try after his failure. Morrison is considered as one of the best writers of the (twenty)century. seconed twentieth2 概數(shù)詞 當(dāng)表示確切概念時, hundred, thousand, million等詞與具體的數(shù)字 one, two… 或 several, some, many等連用,要用單數(shù)形式。如: five hundred people 500人。 當(dāng)表示不確切概念時, hundred, thousand, million等詞與 of 連用,要用復(fù)數(shù)形式,但前面不能再加數(shù)字。如: thousands of factories 成千上萬家工廠。 考點小練 ’s reported th