In the park,you musn't walking on the grass这句话哪里错了
问题描述：
In the park,you musn't walking on the grass这句话哪里错了
答
In the park,you mustn't walk on the grass.
must 是情态动词,后面直接跟动词原形,所以用walk.当然mustn't也要跟动词原形,就像can 和can't 用法一样