My father helps me with swimming.为什么这时候swim要变成swimming?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/30 05:25:18

My father helps me with swimming.为什么这时候swim要变成swimming?

因为前面有with这个介词,后面要加动名词形式(就是ing形式)