at most 和at least 都是介詞短語,在句中做狀語,修飾數(shù)量或程度的詞語.的確,一般說來,狀語,尤其是表示方式的狀語,往往出現(xiàn)在被它修飾的動(dòng)詞后,或干脆在句尾,如：He spoke highly of his professor.He does everything carefull.但也有很多狀語人們傾向于前置,盡管后置按語法也對(duì),例如頻率狀語：He often works late into night.He is sometimes careliess.at least 和 at least 就是這樣的,放在它們所修飾的表示數(shù)詞或程度的詞語前.所以最為常用的詞序應(yīng)該是：The girl is at least 7.The pencil costs at most five yuan.需要說明的是 --- 前面提到過 --- 換個(gè)詞序在語法上還是允許的；而且,有時(shí)候?yàn)榱藦?qiáng)調(diào),或加強(qiáng)狀語的預(yù)期,說話者還故意把他們放到一個(gè)不同尋常的位置,如句尾：The girl is 7 at least.The pencil costs five yuan at most,