怎么找非谓语动词的逻辑主语

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怎么找非谓语动词的逻辑主语

作者：邓中南

来源：《高中生·高考指导》2014年第02期

用好非谓语动词，找到其逻辑主语是关键，下文结合例句和考题讨论非谓语动词的逻辑主语的位置。

一、句子的主语

非谓语动词作状语、主语补足语时，其逻辑主语为句子的主语。如：

Charles Babbage is generally considered to have invented the first computer.（to have invented 为句子的主语补足语，它的逻辑主语是Charles Babbage，该动作在谓语动词所示动作之前发生，用完成式）

例1 _____ an important decision more on emotion than on reason，you will regret it sooner or later.

A. Based

B. Basing

C. Base

D. To base

解析：选B。动词base与逻辑主语you之间构成主动关系，因此用现在分词作状语。注意：（sb.）base A on B相当于A is based on B。

例2 Having finished her project，she was invited by the school _____ to the new students.

A. speaking

B. having spoken

C. to speak

D. to have spoken

解析：选C。to speak作逻辑主语she的补足语，注意搭配invite sb. to do sth.。

二、句子的宾语

非谓语动词作宾语补足语，该宾语就是非谓语动词的逻辑主语。如：

She stood in front of him，with her eyes fixed on his face.（fixed的逻辑主语是介词with的宾语her eyes，注意搭配fix one’s eyes on sth.）

例3 Michael put up a picture of Yao Ming beside the bed to keep himself _____ of his own dreams.