I didn`t know that what would happen.这句话有语法错误吗?

I didn`t know that what would happen.这句话有语法错误吗?
I didn`t know that what would happen.这句话有语法错误吗?

I didn`t know that what would happen.这句话有语法错误吗?
有错误, 连词 that 和what 冲突

改为： I didn't know what would happen ? 我不知道会发生什么?


祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!

that和what只能要一个

你好:
去掉 that 关系代词重复 有歧义的 而且这里有表示"疑惑"的语气 所以省略that 保留 what 比较合理

这是一个宾语从句，that和特词what不能同时出现。that用于引导陈述句。故本句只能用what。建议你好好复习理解宾语从句，这是中考的必考点也是重点。祝 学业有成！