here is 与 this is 区别是?

here is 与 this is 区别是? here is a book与this is a book的区别 here is a photo 与this is a photo的区别? here is 和 this is 用法上有什么区别 This与Here的用法有什么区别么?我要知道具体的用法,比如：This is my umbrella/Here is my umbrella 的区别? here在句子中与THIS的用法区别here is my ticet 为什么不能说成 this is my ticket this is a apple和here's a apple区别 this is my watch 和here ismy watch 区别? here is here it is与here you are的区别在哪里? this is 与 it is有什么区别 还有 what is it 与 what is this this is 和 here is 在用法上有何区别?先谢谢诸位了,呵呵. here is a letter for you和this is a letter for you 的区别 Is this your sister?与Is she your sister?区别 Here is 和 this is 有什么区别?Here is 和 this is 有什么区别,here不是经常和are 一起用吗,那么跟is在一起用的时候和跟are有什么不同?如何区分? here is 和 here are 区别 here you are 与it is for you的区别 Here is my umbrella和This is my umbrella这两个句子有什么区别?This和Here有什么区别? here与this的用法如： Here is your pen?如果前面用this会有什么不一样呢? Here is my ticket