当宾语从句后跟有宾语补足语时,通常在宾语从句处运用方式宾语it,而将真实的宾语从句移至句末:
I think it best that you should stay here. 我以为你最好住这儿。
He hasn’t made it known when he is going to get married. 他还没宣告他何时成婚。
She found it difficult to answer the question. 她发现答复这个问题很困难。
He feels it his duty to hetp others. 他以为帮助他人是他的职责。
He thought it best to be on his guard. 他以为他最好还是要警觉。
He made it a rule to speak in Parliament at least once every session. 他规则自己在议会每次开会时至少发一次言。
I consider it wrong to cheat in an examination. 我以为考试做弊是不对的。