We can have dinner at seven o' clock ,at seven o' clock 划线,针对划线部分提问

问题描述:

We can have dinner at seven o' clock ,at seven o' clock 划线,针对划线部分提问

When can you have dinner?我的答案是:When can we have dinner?请问错在哪里情态动词后面的话要变第二人称