动词和助动词是不是不能在一个句子同时出现

问题描述:

动词和助动词是不是不能在一个句子同时出现
例,为什么是I went to school yesterday而不是i did go to school yesterday呢

助动词当然要和动词一起出现在同一句子中,你理解错了.助动词是帮助动词构成否定句,疑问句必不可少的 如I did not go to school yesterday.Did you go to school yesterday