在 as, how, so, too 以及表示 so 的 this / that 之后,形容词放在 a /an 之前。这种结构在正式文体中很常用。? ?as/how/so/too/this/that + 形容词 + a/an + 名词? ?I have as good a voice as you.我的声音和你一样好。? ?She is too polite a person to refuse.她非常客气,不好意思拒绝别人。? ?How good a pianist is he ? 他钢琴弹得怎么样?? ?I couldn't afford that big a car.我买不起那么大的一辆车。? ?It was so warm a day that I could hardly work.天热得我简直没法工作。如果没有 a/an ,则不能用这一结构。? ?I like your country - it's so beautiful.我喜欢你们的国家 - 真漂亮。? ?(不能说:I like your so beautiful country.)? ?Those girls are too kind to refuse. 那些姑娘非常漂亮,不忍心拒绝别人。? ?(不能说:They are too kind girls to refuse.)(以上摘自《牛津英语用法指南》第四版187节) ?? ? ? ??