sum过去式和用法例句

　　sum做动词有概括;总结;归纳;总计等意思，那么你知道sum过去式是什么吗?下面跟着学习啦小编一起来学习一下，希望对大家的学习有所帮助!

　　sum的过去式和其他时态：

　　过去式: summed

　　过去分词: summed

　　现在分词: summing

　　sum的用法：

　　sum的用法1：sum作名词是“算术,总和”的意思,转化为动词作“总结,合计”解,一般指为了对某一事物有个大概的了解而用数字等方式对其进行统计,从而得出结论,强调结果而不强调方法。

　　sum的用法2：sum可用作不及物动词,也可用作及物动词,常与up连用,表示合并成一新的整体以产生一种单一而有力的效果。

　　sum的用法3：sum的过去式和过去分词均为summed。

　　sum的过去式例句：

　　1. Obree summed his weekend up in one word: "Disastrous."

　　奥布瑞用一个词总结了他的周末经历：“灾难。”

　　2. My general reaction to this news might be summed up as "ho-hum"

　　我对这条消息的总体反应可以用“哼儿哈儿”来概括。

　　3. He summed up his philosophy, with reference to Calvin.

　　他总结了自己的哲学，还提及了加尔文。

　　4. Contributions summed into several thousand dollars.

　　捐款总数达数千美元.

　　5. Contributions summed into several thousand yuan.

　　捐款总数达数千元.

　　6. It can be summed up in two words.

　　这可以用三言两语概括起来.

　　7. One voter in Brasilia summed up the mood — "Politicians have lost credibility," he complained.

　　一位巴西利亚的选民将人们的心情一言概之——“政客们已无信誉可言”，他抱怨道。

　　8. When the judge summed up, it was clear he wanted a guilty verdict.

　　当法官作结案陈词时，他明显想作出有罪裁决。

　　9. He succinctly summed up his manifesto as "Work hard, train hard and play hard".

　　他把自己的宣言简练地总结为“努力干，努力练，努力玩”。

　　10. "I love my wife, my horse and my dog," he said, and that summed him up.

　　他说：“我爱我的妻子、我的马和我的狗。”他大致上就是这么一个人。

　　11. When he summed up, the judge reminded the jury of the seriousness of the case.

　　法官在概述证据时提醒陪审团注意案件的严重性.

　　12. The questions, though very complicated, may be summed up as coming under three categories.

　　问题虽然复杂, 归结起来不外三个方面.

　　13. The salient points of his plan are summed up in this report.

　　他的计划的要点在这个报告中作了概括.

　　14. The judge summed up the case for the jury.

　　法官向陪审团概述案情.

　　15. They summed up the money they spent last month.

　　他们合计出了他们上个月所花金额的总数.