the boys play football yeterday because they had much homework to do.B.couldn't C.can't为什么C不对?

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/07 02:51:45

the boys play football yeterday because they had much homework to do.B.couldn't C.can't
为什么C不对?

因为C是一般现在时啊,句子说的是昨天的事情,应该用一般过去时啊.
请及时采纳,多谢!

注意时间 yesterday

所以要用 过去式, couldn't

从整个句子来看,时态是过去时,应该用过去式哦

句子本身有问题

过去发生的动作,所以用过去时,不用现在时。