如果句中有含a few minutes ago 则用什么时态?过去式还是现在完成时?

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• 如果句中有含a few minutes ago 则用什么时态?过去式还是现在完成时?
• 如果句中有含a few minutes ago 则用什么时态?过去式还是现在完成时?
• 写出下列词语 过去式 过去分词come _____ _____cost _____ _____cut _____ _____do _____ _____drink _____ _____drive _____ _____eat _____ _____fall _____ _____feel _____ _____find _____ _____
• 过去式和过去完成时的困惑.帮忙看下句子.As no puma had been reported missing from any zoo in the country,this one must have been in the possession of private collector.请问在这里为什么要把“报道”这个次说成过去完成时（had been reported）,而把拥有（possession）说成have been?