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？

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？ The door has opened of itself.为什么不用被动啊, 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？ S(),the door opened 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 opened为什么没有被动语态 be They left the classroom with the door opened.改错,为什么把opened改为open? 请问这里为什么不用被动语态?语法书里写到,有一种动词可用做及物和不及物动词,这涉及宾语变为主语的情况,如：He opened he door.The door opened.请问第二句应该是被动语态形式吧? He opened the door wide. the girl had hardly rung the bell ( ) the door was opened suddenly,and her friend rushedout to.A beforeB UNTILC asD since ! 为什么不用B T T make the door open和mmake the door opened那一个对?为什么? 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 From the moment I saw you smile,as you opened the door for that young mother and her newborn baby.smile为什么不用非谓语形式smiling? He opened the door to such as were eager to seek after knowledge.such 为什么不用who,that 或those啊? Jack came very late and knocked at the door for nearly five minutes(before)his wife opened it为什么不用when I have opened the computer为什么不用I had opened the computer ___at the door ,i'v hardly rung the bell ____ the door opened.为什么用standing ,before? 关于open和opened的区别我看到有人说：an open box一个开着的盒子an opened juice一瓶被打开的果汁 为什么不用an opened box?难道盒子不是被人打开的吗?到底是The door is open还是opened?