I have just came back from work.哪错了?

I have just came back from work.哪错了? I have just come back from USA,这句为什么不用came? I have just came home from work.这个句子对吗?我刚下班回家! I just came back from the airport i just came all over you 我刚学完英语回来是不是 I have came back just learn English`~开玩笑用ENGLISH 怎么说呢? just you want just i have you have just come back your hometown为什么不用came I would have just said I have just finished it I have just been accustomed I just have one ___question I JUST HAVE MUCH TIME we ( ) our breakfast when an old man came came to the doorA.just have had B.just had C.have just had D.had just had before I came here,I___(have)breakfast back/i/came/vacation/just/from/.英语重新排序 I noticed that they came in just now.是什么时态? Maybe i just came by to drop in.翻译中文