I am certain that he will deliver on his promise 这个that是什么从句

I am certain that he will deliver on his promise 这个that是什么从句 "You can depend on that he will keep his promise."这句话的语病是什么? I am sure that he will help us.中的 that 引导的是什么从句. that he will come is certain是什么从句 怎么看出来 i am certain that i will be on the moon one day 【 同义句 i am c It is certain that he will come.这个句子改为was certain that he wo i am glad that you will come 是什么从句? 主语从句中 that表什么 如 It is certain that he will win the match. That he will come is certain. 英语同义句转换 I am sure that he will come on time. He ( ) ( ) to c I promise that I will never leave. 名词性从句问题.That he will come is certain.这里的certain是做什么成分?为什么连接词