hang的过去式和过去分词有两种，在实际运用中，这两种形式并不是随意的，也不是通用的；要根据词的含义不同而选用对应的过去式和过去分词：但是现在分词都是一样的。
1.悬挂，吊，吊;垂下;垂落;(使)低垂，下垂，悬浮；过去式：hung,过去分词：hung
这个词的这种含义用法较常见。既可用于动作本身的本意，又可用于抽象的引申含义。
Her hair hung down to her waist.
她的长发垂及腰际。
A cigarette hung from her lips.
她嘴唇上叼着香烟。
The nurse hung a chart at the foot of the bed.
护士在床脚上挂了一张表。
He hung his jacket on a hook behind the door.
他把自己的夹克挂在门后的钩子上。
A gas lamp hung from the ceiling.
一盏煤气灯吊挂在天花板上。
You're not still hung up on that girl?
你不是还在念念不忘那个女孩吧？《牛津高阶英汉双解词典》
The project had hung fire for several years for lack of funds.
这个项目因缺少资金耽搁了好几年。
The dog's tongue was hanging out.
狗的舌头耷拉在外面。
Smoke hung in the air above the city.
城市上空烟雾弥漫。
The possibility of a court case is still hanging over her.
可能被告上法庭的阴影依然笼罩在她的心头。
The smell of death and decay hung over the town.
城市上空弥漫着死亡和腐烂的气息。
2.吊死，绞死，施以绞刑;过去式：hanged;过去分词：hanged
He was the last man to be hanged for murder in this country.
他是这个国家最后一个被处以绞刑的谋杀犯。
She had committed suicide by hanging herself from a beam.
她悬梁自尽了。《牛津高阶英汉双解词典》
At that time you could hang for stealing.
那时犯盗窃罪就可能会被绞死。
