the door opened为什么没有被动语态 be

the door opened为什么没有被动语态 be S(),the door opened the door opened为什么不用被动语态?the door opened等于the door is open么?翻译起来一样么？ 倒装句子The door opened,in came a girl.句子 The door opened,in came a girl.为什么不是 The door opened ,came in a girl.?怎么理解? The door has opened of itself.为什么不用被动啊, They left the classroom with the door opened.改错,为什么把opened改为open? He opened the door wide. make the door open和mmake the door opened那一个对?为什么? 及物动词什么时候不用被动语态还有the door opened为什么不用被动语态?the door open有这样说的么？the door opened为什么是不及物动词呢？ Help!I had hardly opened the door when I he hit me.I had hardly opened the door when I he hit me.这句话中的hit 用不用加s 为什么I had hardly opened the door when he hit me.没有I 的 sorry when the door opened and his wife came inthe door opened这里的opened是过去分词做后置定语吗?相当于which was opened.如果不是请说明下为什么.open是动词的话，为什么没有采用被动语态。那这句是倒装句？ ___at the door ,i'v hardly rung the bell ____ the door opened.为什么用standing ,before? He opened the door.变被动语态 Who opened the door?改为被动语态. The door opened.改为否定句 初一英语一道单选Please_____ the door and now the door is_____.A.open；open B.open；opened为什么呢？ she opened the door a crack and slipped in. the door a crack为什么有2个名词 When i am geting close to the door,the door opened.这个句子是一个表示门 主动开的句子.我不明白为什么后面是opened.