i am leaving这句话对吗leave是名词还是什么啊那am是怎么回事呢

i am leaving这句话对吗leave是名词还是什么啊那am是怎么回事呢 who i am i 这句话对吗? 为什么这句话要+am上去- I am not leaving 请问am的句子如何运用 I am a boys这句话对吗? I am coming now.这句话对吗? I am girl .这句话对吗? I am leaving i meant i am bored这句话对吗RT I am going to shopping now 这句话对吗? I am taller than she.这句话对吗? I am grateful to you very much .这句话对吗? I am only stay at home .这句话表达对吗? I am born in December.这句话对吗 i am quietly in the room 这句话对吗 I am born in December.这句话对吗? I am reading something specially?这句话对吗 I am do my homework 这句话对吗 I am not have a cellphone.这句话对吗?