哪些介词后面要加动词ing形式？哪些不用？

Question

如题所述

Answer 1

当介词后面跟动词时要先看动词的用法。比如：Friendships between girls are usually based on shared feelings and support。这句话。之所以是based on shared，正因为shared是修饰feelinga and support的,并不是做动词出现。本回答被提问者采纳