it is said that 后的从句可以是现在进行时吗？例如，it is said that

it is said that后的从句用什么时态 It is said that. it is said that 为什么是It is said that 而不是It said that it is said that 可以省略that吗 句型It is said that 中的that可以省略吗 it is said that的固定结构可以改成 it was said that? it is said that用法 It is sometimes said that... 关于it is said that It is said that the it is said that dogs.