it 作形式宾语是不是只能替代that引导的宾语从句

it做形式宾语通常同that引导宾语从句,其他的从句引导词如what,which没有在实际使用中出现过。做形式宾语的词汇有 think/ find/ feel/ consider/ make/ regard/take it for granted /see E。g I find that he is very kind to help us。