高考英语复习指导: as long as 基本用法的差别
一、基本用法的差别1. as long as 有两个意思,一是用于本义,意为“与……一样长(久)”,在否定句中,也可说成 (not) so long as;二是用于引申义,表示“只要”,用于此义时也可说成 so long as(不管是肯定句、否定句还是疑问句)。如: This river is as long as that one. 这条河与那条河一条长。 He lived abroad as long as five years. 他住在国外长达五年之久。 As [So] lon...