the police found the missing child.为什么不用missed?ing和ed 有什么区别?

The police found that the house The police found they(give)wrong information 5.The police helped found the child last weekend.(lose) The police officer--(final)found the lost dog The police have found the lost boy.为什么用have found而不是has found? The child was found by the police.by the policeThe child was found by the police.by the police 作什么句子成分? the police searched the whole building but found nothing unusual为什么用found The police have______who robbed the bank.A found B,found out C.looked D.looked for 英翻中：Police found the smoking gun and pressed charges on the kidnapper.英翻中：Police found the smoking gun and pressed charges on the kidnapper. 英语一道单词填空题.The police found o____ of the lost car in the end. The car was stolen from the park,It was found by the police. Have the police found the knife which the man was killed?错在哪 The police found out the ___(存在)of poison in the dead woman's blood with the help of the dog,the police found the thief（ 保持句意不变） the dog—the police—the thie tell the police the 英语翻译Although the police searched everywhere,neither the missing boy nor his dog could be found。 The police ____(search) for the thief these days ,but they haven't found him yet ------his car was stolen,the man called the police quicklyATo find BFinding CFound DBeing found