get it repaired ,为什么用repaired?

get it repaired ,为什么用repaired? I'will get it repaired .这里为什么要加ed? pay to get it repaired get your watch repaired为什么要ed My computer has broken down I will get it repaired this afternoon 中的repair为什么要加ed get it repaired对吗?还是用make 或是have? is that the radio which you want to have repaired.为什么不是have it repaired the window in my room （will not） shut.so i have to get it repaired.为什么用will not?时态不是很奇怪吗? 英语33.My car____ down just I need it most.I have to get it repaired.33.My car____ down just I need it most.I have to get it repaired.A.will always break B.has always broken C.always broke D.is always breaking为什么 My computer is broken,i'll_____.A.get it repair B.get it repairing C.get it repairs D.get it repaired 单项选择并说明理由his walkman was out of order,so he needed to（ ）.A.get repaired B.have repaired C.have it repaired D.have repaired it I must have it repaired.为什么最后用过去式 英语中 get it repaired的repairedWhen he borrowed it last time,he broke itand you had to pay to get it repaired.you will这段话里get it repaired的repaired怎么是过去式的?麻烦填下:get sth .get sb. get it repaired是一种什么结构,get可以换成什么词,repaired是过去分词吗,在这里作定语还是补语? The old machine will not____properly if you do not get it repaired 单句改错：I can't get my computer worked.I 'll have it repaired. 高一英语40It is the watch I want （to have repaired ）为什么不用 to have it repaired? get sth done是什么句型?比如说get it repaired是属于这个句型吗`?要分析一下这个结构吖