when he has left 为什么没有这种说法

Do you know when he left?这里为什么用left Where is Sam?He------ for Japan 为什么是has left when is Tom? He's left a message saying that he has somethin He has left since yesterday . he was married for 3 years有没有这种说法 Not only you but also he has left the museum when I got ther When he arrive at the station,the train______.A,has left B,l I got my best g___ when I left school.--He has passed the ex he has just left there 意思 he has some money left否定形式 he has _____lonely since his friend left He ____(left,has left)here just now.