改错：（1）.Tom studyed for the English test last night.(2).She isn't come from Canada.(3)It's time having dinner.
问题描述：
改错：（1）.Tom studyed for the English test last night.(2).She isn't come from Canada.
(3)It's time having dinner.
答
1.studyed-studied; 2. isn't-doesn't 3. having-to have
答
改为studied study的过去式是studied
isn't 改为does'nt come就是一个动词了，所以需要用组动词
having改为to have
答
1 studyed 改为 studied
2 isn't 改为 doesn't
3 having 改为 for
望采纳
>_
答
1 study改为 studied
2 isn't 改为 doesn't
3 having 改为 for
答
1 studyed 改为 studied
2 isn't 改为 doesn't
3 having 改为 for
请及时采纳,多谢!
答
（1）studyed改为studied （2）isn't改为doesn't (3)having改为for