下面是小编为大家收集的undertake的过去式和过去分词形式，本文共5篇，仅供参考，欢迎大家阅读，希望可以帮助到有需要的朋友。
篇1：undertake的过去式和过去分词形式
undertake的用法：
undertake的用法1：undertake的意思是“担任,承揽”,指将某事揽入自己的'职权范围内或就任某一职务。undertake还可指“开始着手进行某件事”。
undertake的用法2：undertake多用作及物动词,后接名词、动词不定式或that从句作宾语。可用于被动结构。
undertake的用法3：undertake的过去式是undertook,过去分词是undertaken。
篇2：undertake的过去式和过去分词和现在分词
例句：
He undertook to edit the text himself.
他承诺亲自编辑正文。
He undertook to finish the job by Friday.
他答应星期五或之前完成这一工作。
They undertook a fact-finding mission in the region.
他们承担了在该地区核查事实的工作。
It's certainly the most complex project I've ever undertaken.
这无疑是我经历过的最复杂的'项目。
We will strictly control the number of new projects undertaken.
从严控制新开工项目。
Other scientific studies have undertaken similar investigations.
其他类似的研究也在进行中。
Making the house habitable was a major undertaking.
把这房子收拾得可以住人是个大工程。
Organizing the show has been a massive undertaking.
组织这场演出是一项巨大的任务。
He is interested in buying the club as a commercial undertaking.
他有意购买那个俱乐部作为投资。
篇3：sweep的过去式和过去分词形式
All their advice was swept aside.
他们所有的忠告全被当成了耳边风。
The little boat was swept out to sea.
小船被吹到大海的`深处去了。
Her hair was swept back from her face.
她的头发是从前边往后梳的。
篇4：fall的过去式和过去分词形式
例句：
She fell while toddling around.
她在蹒跚学步时摔倒了。
He fell down a crevasse.
他从裂缝处摔了下来。
The rain fell steadily.
雨不紧不慢地下着。
The handle had fallen off the drawer.
抽屉的'拉手掉了。
A loose slate had fallen from the roof.
一块松动的石板瓦从房顶上掉了下来。
Prices have fallen by a quarter since January.
自1月份以来，物价下降了1/4。
篇5：think的过去式和过去分词形式是什么
The thought seemed to amuse him.
这个想法好像让他觉得好笑。
He sighed deeply at the thought.
想到这里，他深深叹了口气。
I thought I'd die laughing.
我以为我要笑死了。
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