It is certain that he will come.这个句子改为was certain that he would come可以吗第二个句子,It was certain that our football team would win the game.这个句子改为is certain that our football team will win the game 还是有含有虚

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 13:30:59

It is certain that he will come.这个句子改为was certain that he would come可以吗第二个句子,It was certain that our football team would win the game.这个句子改为is certain that our football team will win the game 还是有含有虚
It is certain that he will come.这个句子改为was certain that he would come可以吗
第二个句子,It was certain that our football team would win the game.这个句子改为is
certain that our football team will win the game 还是有含有虚拟什么的不能改?另外两个句子为什么时态不同?

It is certain that he will come.这个句子改为was certain that he would come可以吗第二个句子,It was certain that our football team would win the game.这个句子改为is certain that our football team will win the game 还是有含有虚
最后一句不可以,前后时态搭配矛盾.

都可以,区别在于事情是发生在过去还是现在