I 用 am , you 用 are
is 用在單數 this , 還有--- 他/她/它
~this is /he is /she is / it is
凡是複數都用 are
you are/ we are/they are
~別忘了these , those 也是複數都用 are
these are/ those are
記住了,大家一起拍手笑哈哈!
l do /you do /we do /they do — 嘟,嘟,嘟
he does /she does /it does — 噠日,噠日,第三人稱單身用 does !