技巧四  用作结果状语时，可用现在分词或不定式，其原则区别是：一般要用现在分词，不定式用作结果状语主要用于某些特定句式中

1. The glass doors have taken the place of the wooden ones at the entrance, _____ in the natural light during the day. (2007天津卷)

A. to let                    B. letting               C. let                        D. having let

【解析】答案选B。此处用现在分词表示结果。又如：It rained heavily, causing severe flooding in that place. 大雨滂沱，造成了那个地方洪水泛滥。

2. Oil prices have risen by 32 percent since the start of the year, _____ a record US$ 57.65 a barrel on April 4. (2005山东卷)

A. have reached         B. reaching             C. to reach                D. to be reaching

【解析】答案选B。伴随着谓语动词的发生而产生的自然结果，用现在分词作结果状语。

注：在enough to do sth, too…to do sth, only to do sth等特定句式中，习惯上要用不定式表示结果。如：

1. He hurried to the booking office only ______ that all the tickets had been sold out. (2006陕西卷)

A. to tell                   B. to be told              C. telling                 D. told

【解析】答案选B。only to do sth在此表示出人意料的结果。

2. He hurried to the station only ______ that the train had left. (2005广东卷)

A. to find                  B. finding                  C. found                 D. to have found

【解析】答案选A。only to do sth在此表示出人意料的结果(from www.nmet168.com)。

技巧五  凡是含有被动意义时，原则上要用过去分词。但是，如果所涉及的动作尚未发生，则用不定式的被动式；如果所涉及的动作正在进行，则用现在分词的被动式

1. The children talked so loudly at dinner table that I had to struggle ______. (2007浙江卷)

A. to be heard           B. to have heard         C. hearing               D. being heard

【解析】答案选A。根据句意，此处指的是“被听见”，故要用被动式，因此可排除B和C。另外，由于“设法被听见”为目的状语，动作在当时尚未发生，故用不定式，即选A。

2.The repairs cost a lot, but it’s money well _____. (2005湖北卷)

A. to spend               B. spent                     C. being spent          D. spending

【解析】答案选B。由于money与spend之间为被动关系，故用过去分词。

3. Five people won the “China’s Green Figure” award, a title ______ to ordinary people for their contributions to environmental protection. (2006山东卷)

A. being given             B. is given                C. given                  D. was given

【解析】答案选C。由于title与give之间为被动关系，故用过去分词。

技巧六  谓语动词作状语时，其逻辑主语原则上应与主句主语保持一致

1. Faced with a bill for $10, 000, ______. (2006陕西卷)

A. John has taken an extra job                  B. the boss has given john an extra job

C. an extra job has been taken                  D. an extra job has been given to John

【解析】答案选A。由于(be) faced with的逻辑主语是John，故答案只能选A。

2. While watching television, _____. (2005全国卷III)

A. the door bell rang                               B. the doorbell rings

C. we heard the doorbell ring                   D. we heard the doorbell rings

【解析】答案选C。因为watching的逻辑主语一定是we，排除选项A和B；又因在hear后作宾补的是省略了to的不定式，所以选项D中的rings是错误的。

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