【happen的过去式】happen的过去式

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【答案】 happen过去式happened.它是不及物动词,没有被动语态.
　　如：The story happened in 1601.
　　What happened then?这句话不能说What was happened then?
　　在这里What 做主语,这是一个主谓结构.
　　1.发生
　　The accident happened outside my house.
　　这个事故发生在我家房子的外面.
　　2.（与to连用）碰巧,巧遇
　　I happened to be in the market yesterday when a fire started.
　　昨天发生火灾时,我正好在市场上.
　　I happened to see Peter on the way to the bookstore yesterday.
　　昨天我去书店的路上碰巧遇见了彼得.
　　3.（与on,upon连用）偶然发现
　　I happened on an old country hotel during the last summer holidays.
　　去年暑假期间我偶然发现了一家古老的乡村旅馆.
　　4.happen to．．．临到某人头上
　　Did you hear what happened to David last night?
　　你听说大卫昨天晚上发生什么事了吗?