英语语法1 you are ,we are ,they are 这里的are代表什么?为什么不用you is,we is

we are,they are,he is,you are here you are here it is there we are there they are它们的区别 用I am He is She is It is We are They are You are 造句:I am```,You am```,They are```,We are```,You are```,He is` 写从下列缩写形式 1.You are 2.We are 3.they are 4.is not 5.are not Where are you from为什么用are不用is ARE YOU FROM london 为什么用ARE不用IS what nationality are you 中的are 为什么不用is啊 are you no we are . 对话：--you seem so excited!--so we are 中,so we are .不用倒装吗?为什么? 哪一个是你 Which one is you?这里为什么不用are而用is? just we you are