Frank Hawkins was telling me about his experiences as a young man.这句话中as 后面为什么加a

frank hawkins was telling me about his experiences as a young man.为什么加about Frank Hawkins was telling me about his experiences as a young man.这句话中as 后面为什么加a 介词短语在句中修饰什么成分yesterday afternoon Frank Hawkins was telling me about his experience as a young man .句中about his experience作状语修饰什么?且在说明什么, 新概念英语中的问题：原文如下：Text】Yesterday afternoon Frank Hawkins was telling me about his experiences as a young man.Before he retired,Frank was the head of a very large business company,but as a boy he used towork in a small sho in a few years the small work shop had become a large factory这里为什么用过去完成时态因为过去完成时好象不是这么用的语法书里也没有类似的用法啊Yesterday afternoon Frank Hawkins was telling me about his experience Old Frank was deeply moved. frank Who Was Anne Frank 安妮 弗兰克是谁 英语填介词问题Frank was born ___ German parents. Now Frank realized what was going to happen 翻译：Theodoric the Goth was neither Frank nor Hun te TE te Te Te Te Te Check it out Hawkins中文翻译是什么意思?