关于after的用法after+时间段为什么用于一般过去时,例如They started working after a

关于after的用法after+时间段为什么用于一般过去时,例如They started working after a after+时间段用法? after 的用法They are working at home after---- ( pick ) corn,中的 关于after 的用法 关于after的过去完成时用法 关于after which的用法 英语 表时间段的"in"与"after"的用法区别 after a rest,they( )( )working on the experiment. After having a rest,they went on ____ .为什么答案是 working?不应该是to They went on working after ten minutes_____ run...after...的用法 looking after 的用法