英语问题··have you found his name signed in the papers not havin

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英语问题··
have you found his name signed in the papers
not having come in time ,little Tom was afraid of being scolded.
为什么前一个句子 signed 前不加be动词,而后一个加,不是过去分词表被动和完成吗?好要加be?
作宾语补足语就不加be吗？
就是搞不清楚，什么时候表被动加be什么时候不加~

第一句话的signed前面不加be动词是因为后面不是一句话,
如果加was的话那就变成了从句,
这里的格式是find sth. done发现什么发生了,本来就有被动的意思.这里的signed是宾语his name的补足语,过去分词是可以做宾补的你应该知道.
这样过去分词做宾补的情况很常见,例如:find sth. done/notice sth. done
我还记得很清楚新概念第三册同步语法强化那本书上某个单元有专门对过去分词做宾补的讲解,有书的话你可以去看看.
第二句话肯定是要有being的,介词跟动名词,
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问题补充：作宾语补足语就不加be吗?~?
就是搞不清楚,什么时候表被动加be什么时候不加~~
A：首先你要知道宾补和宾语都是在一句话里面的,如果你加了be动词,那么宾语后面就又是一句话了.举个例子：I found his name signed in paper.his name是found的宾语而signed做hin name的补足语说明宾语的状态.I found his name was signed in paper.这就相当于宾语从句.his name was signed in paper是从句部分做found的宾语从句.
被动语态组成：be+过去分词
his name was signed就是个被动.
我已经说了,在一些动词如find,notice,know可用过去分词做宾补,是不需要be动词的.
你要了解要表示被动不一定要使用被动语态,这里过去分词做宾补就表示了被动,

Love has been in the side, but you have not found什么意思 "The uers name could not be found or is not logged in "是什么意思 ERROR:The user name coild not be found or is not logged in. Have you found arestaurants c___ the village、--------No,not You needn't have come here in person ,for the papers weren't 英语引导词问题share with them some of the techniques you have found The membe name you have chosen is not 英语翻译the responsible members do not have the benefit of havin 英语提问：Would you like______some water?A.have B.to have C.havin 求救英语达人,17.-Must we hand in the papers this week?-No,you ____ The old man’s hand ______ when he signed his name. shake tre Have the papers been corrected?Yes,but I regret____that you