after什么时候是介词 什么时候是连词翻译有什么区别,请举列子

网友回答

after后面直接加动词,就是介词.那用 after doing
after后面有人称,还有动词,那是连词,连接句子.
After finishing homework, he went to bed after介词
After he finished hishomework, he went to bed. After是连词
======以下答案可供参考======
供参考答案1:
example: 介词： After school, she went to the supermarket.
连词： She finished her homework, after that she went to the market.