keep the door open 中的keep是不是系动词

keep the door open 中的keep是不是系动词 don‘t keep the door open 还是keep not the door open,keep什么时候作系 keep the door close/open? Let the window closed,keep the door open否定句 Please keep the door open还是opening? 为什么? it is hot outside and keep the door----(open)please （ ）you( )(keep)the door open when you go out Please keep the door _____(close).Don't open it. open please the keep door 连词成句 keep the door open ,keep the room clean.这在语法中是什么形式啊, keep the window open Keep the door___(open)