after seeking out the rude assistant,she asked for the some dress.为什么seek要加ing形式?为什么不写成after sought out the rude assistant,she asked for the some dress.seeking这里是做现在分词吗?那前面为什么不需要加BE呢?

after seeking out the rude assistant,she asked for the some dress.为什么seek要加ing形式?为什么不写成after sought out the rude assistant,she asked for the some dress.seeking这里是做现在分词吗?那前面为什么不需要加BE呢?
after seeking out the rude assistant,she asked for the some dress.
为什么seek要加ing形式?为什么不写成after sought out the rude assistant,she asked for the some dress.seeking这里是做现在分词吗?那前面为什么不需要加BE呢?

after seeking out the rude assistant,she asked for the some dress.为什么seek要加ing形式?为什么不写成after sought out the rude assistant,she asked for the some dress.seeking这里是做现在分词吗?那前面为什么不需要加BE呢?
这里只是单纯的语法问题 在介词后跟动词的ing形式 其实就相当于after she sought out the 但这样的语法有前提 就是前后主语要一致 此句子后面的主语也是she 所以是可以的