How far is it always是不是语法错了?

How far is it always是不是语法错了? How far is it from how far is it form How far is it forever? Foever ,How far is it? How far is it from here? How far is it?怎么回答! How far is how far How far is it form here to ...It is far from ...中far 是什么词性? 请问是How far it is from here.还是How far is it from here. how far is it 与how far it is 哪个是陈述句语序? how far is it?可以说成：how far is it to there 或How fat is it from here they know how big and how far away it is 用how far is it from_____to______?It's________kilometres. how far 是不是表语啊?How far is it from A to 这里How far 是不是表语, How far is it from your home to the school?为什么要用how far? How far is it from the library to his home?能说how far away. 连词成句 here,is,how,it,far,from(?)