John will get his room painted.为啥不用be paint或been paint?

John will get his room painted.为啥不用be paint或been paint? paint 1.---John,will you please paint the door yellow? I will paint my room tomorrow改为被动语态 the room smells ____of paint paint a smile on his When do you plan to get your room ______ A to paint B painte I paint my room,改写使用过去式 ______ the red paint with blue,you will get another kind of John get up now .or you will be late for school.为什么不用getting a little more paint and it will be ready求翻译 Will you paint the wall pink?