trace做动词有追踪;描绘;找出根源等意思，那么你知道trace的过去式是什么吗?下面是小编整理的trace的过去式和用法例句，供大家参考学习!

trace的过去式和其他时态：

过去式: traced

过去分词: traced

现在分词: tracing

trace的用法：

trace的用法1：trace用作名词时意思是“缆绳”“痕迹”,转化成动词意思是“追踪,追溯”,指根据一些已知的现象通过调查来得知某件事的起因或某个家族的起源等,不强调一步一步的追寻过程,而强调追溯的结果。引申可指“描绘,标出”“缓慢而困难地书写”。

trace的用法2：trace可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。可用于被动结构。

trace的用法3：trace还可用作名词,意思是“痕迹, 踪迹, 微量, 迹线, 缰绳”。

trace的过去式例句：

1. They traced the van to a New Jersey car rental agency.

他们查出面包车属于新泽西州的一家租车行。

2. The psychiatrist successfully traced some of her problems to severe childhood traumas.

这位精神病学家将她的一些问题成功地追溯到她童年时代遭受的严重创伤。

3. I traced the course of the river on the map.

我在地图上勾勒出这条河的流向。

4. The perpetrator of this crime must be traced.

对这起案件的凶手必须要一查到底。

5. Depression can be traced to holding in anger.

抑郁症可以追溯到对愤怒情绪的压抑。

6. Lovelock'sprincipled nonconformity can be traced to his childhood.

洛夫洛克自成一套的特立独行可以追溯到他的童年时期。

7. We finally traced him to an address in Chicago.

我们终于追查到他在芝加哥的一个地址。

8. The names were traced out in stark black print.

这些名字是用醒目的黑体字印出的.

9. The family has traced its ancestry to the Norman invaders.

这个家族将自己的世系追溯到诺曼征服者.

10. The rumor has been traced back to a bad man.

那谣言经追查是个坏人造的.

11. Explorers traced the Nile River to its several headstreams in Central Africa.

探险者在中非找到了尼罗河的几处源头.

12. These quotations cannot readily be traced to their sources.

这些引语很难查出出自何处.

13. We traced the river to its source.

我们溯河而上,直到源头.

14. We traced the trouble to a faulty transformer.

我们查出故障出在一个有毛病的变压器上.

15. The police have traced him to London.

警方一直追踪他到伦敦.