动词begin的过去分词
Well begun is half done. 好的开端是成功的一半。
These potatoes have begun to sprout. 这些马铃薯开始发芽了。
Birds had begun to chirp among the trees. 鸟儿们已经开始在树林里叽叽喳喳地叫了。
We leave tomorrow but I haven't begun to pack yet! 我们明天动身，但我现在还没开始收拾行李呢！
Hardly had the game begun when it started raining. 比赛刚刚开始就下起雨来。
The company has begun to scale down its operations in Asia. 这家公司已开始减少在亚洲的业务。
They have begun to do the prevention of crime. 他们已经开始防止犯罪行为。
