As no pumas had been reported missing from any zoo in the country这个句子中的missing从语法上讲为什么用的分词结构啊?

As no pumas had been reported missing from any zoo in the country.这里为什么用from,怎样翻译 As no pumas had been reported missing里面的had been能不能换成was呢?关于新概念3第一篇课文中的这个句子, As no pumas had been reported missing from any zoo in the country这个句子中的missing从语法上讲为什么用的分词结构啊? no pumas had been reported missing这里的missing是什么词性?report在这里是什么用法 As no pumas had been reportedmissing from any zoo in thecountry分析语法As no pumas had been reportedmissing from any zoo in thecountry有人说missing是形容词,有人说是主补,到底是什么呢?如果是主补,还原成主动语态是什 ZOO后为什么不加S As no pumas had been reported missing from any zoo in the country,thisANY 后是加 名词复数吗 ZOO为啥不加S? English exampleAs no pumas had been reported missing from any zoo in the countrymissing是动名词码?why? the experts were now fully convinced that the animal was a puma,but where had it come from?As no pumas had been reported missing form any zoo in the countrybut where had it come from?这里的had为什么要用过去完成时呢 ,而且come from这 NO后加名词单数和名词复数的区别新概念第三册23课9行No creature has received more praise and abuse than the common garden snail.与第一课14行As no pumas had been reported missing from any zoo in the country...中no后分别跟 关于新概念第三册第一课的问题?有一句是 As no pumas had been reported missing from any zoo in the country,this one must have been in the possession of a private collector.对于肯定推测 have been 是死也不能改的吗? has 可 新概念3中第一课 A puma at large中,HAVE的用法疑惑新概念3中第一课 A puma at large中,有一句话：As no pumas had been reported missing from any zoo in the contry,this one must have been in the possession of a private collector an puma fur was found clinging to bushes中 clinging to bushes是作什么成分as no pumas had been reported missing from any zoo in the country中 missing from any zoo in the country是作什么成分该如何区分 有关主语补足语as no pumas had been reported missing from any zoo in the coutry...这个missing为什么要用ing 还有就是老师说一句话里面不能出现两个动词 那从句当中也不能出现第二个动词嘛？It RAN away when s 分词作状语与主语补足语是一回事吗?As no pumas had been reported missing from any zoo in the country．在这句话中,missing from　any zoo in the country是否作reported的后置定语? As she had been entirely ____for the accident in which she had been severely disabled she had no legal redress(赔偿).选项:a、responsibleb、suitablec、accessibled、indispensable As she had been entirely ____for the accident in which she had been severely disabled she had no legal redress(赔偿).选项:a、responsibleb、suitablec、accessibled、indispensable puma at large新概念英语3的一个语法no pumas had been reported missing from any zoo in the country,有人说这句话是missing是形容词,那么这句话主动语态是什么?为什么有人说这句话其实是reported to be missing?to be 英语翻译As she had been entirely responsible for the accident in which she had been severely disabled,she had no legal redress.其中的As 引导的是什么从句?in which的正常语序是怎样的?