试谈英语介词短语的名词功能

按语法常规,介词短语在句中能做定语、状语、表语和补语。但是在语言的实际运用中,却常常遇见介词短语做主语和宾语的情况。如: 1.Across the road was swarming with refugees.路对过挤满着一大群难民。 2.He had spent from eight to twelve at his office.8点到12点钟他在办公室。