Seeing the cat, the mouse ran off. 见到猫，老鼠就跑了。
The work finished, he went home. 工作做完后，他就回家了。
When [As soon as] the mouse saw the cat, it ran off.
After the work was finished, he went home.
When _________ different cultures, we often pay attention only to the differences without noticing the many similarities.
A. compared B. being compared
C. comparing D. having compared
【分析】此题答案选C，分词短语when comparing different cultures相当于时间状语从句when we compare different cultures。
Being very weak, she couldn't move. 她由于身体虚弱而不能行动。
His car broken down, he had to walk. 他的车坏了，所以只好走路。
Much discouraged, she moved on to London. 她很沮丧，搬到了伦敦。
分词(短语)用作原因状语通常可转换成由as, because, since, now that 等引导的原因状语从句，如上面三句也可转换成：
As she was very weak, she couldn’t move.
Because his car broken was down, he had to walk.
Because she was much discouraged, she moved on to London.
(1) _________ with so much trouble, we failed to complete the task on time.
A. Faced B. Face C. Facing D. To face
【分析】答案选A。现在分词短语faced with so much trouble可转换成原因状语从句because we were faced with so much trouble。
(2) _________ for the breakdown of the school computer network, Alice was in low spirits.
A. Blaming B. Blamed C. To blame D. To be blamed
【分析】答案选B。现在分词短语blamed for the breakdown of the school computer network可转换成原因状语从句because she was blamed for the breakdown of the school computer network。
Working hard, you will succeed. 如果努力工作，你就可以成功。
Adding them all up, we can find the answer. 如果把它们加起来，我们就可以得到答案。
United, we stand; divided, we fall. 团结则存，分裂则亡。
Given more time, we could have done it better. 如果多给点时间，我们可以做得更好。
If you work hard, you will succeed.
If we add them all up, we can find the answer.
If we are united, we stand; if we are divided, we fall.
If we had been given more time, we could have done it better.
_________ time, he’ll make a first-class tennis player.
A. Having given B. To give C. Giving D. Given
【分析】答案选D。give 与其逻辑主语 he 是动宾关系，用过去分词，故选 D。分词短语 Given time 可转换成条件状语从顺 If he is given time。
Although living miles away, he attended the course. 虽然住在几英里以外，他仍去上课。
Defeated, he remained a popular boxer. 虽然被击败了，他仍是一个受欢迎的拳击手。
分词(短语)用作让步状语通常可转换成由从属连词though, although, no matter…等引导的让步状语从句，如上面两句也可转换成：
Although he lived miles away, he attended the course.
Thought he was defeated, he remained a popular boxer.
No matter how frequently _________, the works of Beethoven still attract people all over the world.
A. performed B. performing C. to be performed D. being performed
【分析】答案选A。现在分词短语performed在此相当于they are performed。No matter how frequently they are performed的意思是“无论它们(指贝多芬的作品)被演奏多少次”。
He sat in the chair reading a newspaper. 他坐在椅子上看报。
Don't you sit there doing nothing. 别什么也不干坐在那里。
He came in, followed by his wife. 他走了进来，后面跟着他的妻子。
(1) Don’t sit there _________ nothing. Come and help me with this table.
A. do B. to do C. doing D. and doing
(2) My cousin came to see me from the country, _________ me a full basket of fresh fruits.
A. brought B. bringing C. to bring D. had brought
(3) Whenever he was asked why he was late for class, he would answer carelessly, always ________ the same thing.
A. saying B. said C. to say D. having said
(4) We often provide our children with toys, footballs or basketballs, _______ that all children like these things.
A. thinking B. think C. to think D. thought
He earns a living driving a truck. 他靠开卡车谋取生。
I'm returning you letter as requested. 我按要求给你退信。
分词(短语)用作方式状语与用作伴随状语的情形比较接近。有时用作方式状语的现在分词可以转换成by doing sth的结构，如上面第一句也可换成：
He earns a living by driving a truck.
He fired, killing one of the passers-by. 他开枪了，打死了一个过路人。
He died, leaving his wife with five children. 他死了，留下他妻子和五个儿子。
It rained and rained, vehicles bogged and bridges washed out. 雨不停地下，车辆陷入泥沼，桥梁被水冲去。
He fired and killed one of the passers-by.
He died and left his wife with five children.
It rained and rained, and vehicles were bogged and bridges were washed out.
(1) He glanced over at her, _________ that though she was tiny, she seemed very well put together.
A. noting B. noted C. to note D. having noted
【分析】答案选A，此句也可换成：He glanced over at her and noted that though she was tiny, she seemed very well put together.
(2) Oil prices have risen by 32 percent since the start of the year, _________ a record US$ 57.65 a barrel on April 4.
A. have reached B. reaching
C. to reach D. to be reaching
【分析】答案选B，此句也可换成：Oil prices have risen by 32 percent since the start of the year and reached a record US$ 57.65 a barrel on April 4.