I found the door open when I got home为什么不是opening?或动词不定式I found the door to be open when I got home

翻译I found the door to be open i found it by the door this moring I found the door was open(closed).=I found the door open (closed ) 如果不对 怎样是对的? I forget ____(close)the door.when I came back to lock the door.I found it closedclose 还是closing? I found the door open when I got home为什么不是opening?或动词不定式I found the door to be open when I got home 那I found the door to be open when I got home等不等于I found the door open when I got home You have found your lost umbrella,haven't you? Yes,I found it behind the door this morning.为什么答语中found不用have found? _____ the door unlocked,i went in.A.Finding B FOUND C HAD FOUND D have found 我觉得having found 好像更合适. I found a bottle _______ (fill) with orange near the door. when I opened the door.I found a dog _____in the snow.A.lie B.lying C.lay When i came in, i found a boy hide behind the door.改错?When i came in, i found a boy hide behind the door.改错答案为：hide改为hidden 可以把hide改成hiding吗? I got into a ____ when I found the door was locked.He _____ with a smile then went away. (when i arrived,i found the door closed.)这句话为什么要用closed而不用closing. I found a man ____ (lock) the door when I passed by.填入适当形式的词语 I found my students (sitting) at their desks,(reading) attentively when I opened the door.求讲解.急. I found the door of the shop closed.为什么能这样啊,这是什么格式,被动时态不用BE吗 All other doors were looked,including the door to the reading room where I ___something useful.A.could have found B.could findC.would D.must have found 连词成句：by the the he purse door found.