I hate it tthat 从句与I hate it when从句有什么区别?

I hate it tthat 从句与I hate it when从句有什么区别? I hate it when they with their mouths full of food 中有宾语从句吗? I hate it when it is rains I really hate it when it is always rain.这两个“it”起什么作用? i hate you for it I hate it very much I hate it when people lie to me! I hate it when people talk with their mouths full. i hate it when it rains.it is much(w)than it was yesterday I hate it when people make fun of me ,though i don`t mind it I hate it when people make fun with me,though I don't mind i You hate it,I hate this life,I can't take it angmore!I what