Section Ⅳ　Grammar & Writing

　　不定式作目的状语&结果状语从句

　　观察下列从Reading and Vocabulary中选取的句子，体会动词不定式作目的状语以及结果状语从句的用法。

　　1. And I had to steal something every day to pay for the drugs.

　　2. He told me to take them to a shop in a nearby street.

　　3. I didn't have enough money so he didn't give me any drugs.

　　4. He told me that I could die if I didn't stop taking crack cocaine, so I took his advice and stopped immediately.

　　一、不定式作目的状语

　　不定式作为非谓语动词的一种形式，在句子中可作主语、表语、宾语、补语、定语和状语。本模块主要讲解不定式作目的状语。

　　1. 动词不定式作目的状语时可位于句首和句尾，置于句首时通常用逗号与其他部分隔开，且不定式前可加in order/so as，但so as to不能位于句首。

　　We'll hold a meeting to discuss the healthy lifestyle.

　　＝We'll hold a meeting in order to/ so as to discuss the healthy lifestyle.

　　＝To discuss the healthy lifestyle, we'll hold a meeting.

　　＝In order to discuss the healthy lifestyle, we'll hold a meeting.

　　我们将召开会议来讨论健康的生活方式。

　　2. 不定式短语作目的状语的否定形式是在不定式符号to前面加not。

　　ln order not to forget his telephone number, I'll write it down.

　　为了不忘记他的电话号码，我将把它写下来。

　　I studied in my spare time so as not to fall behind others.

为了不落在别人后面，我业余时间都在学习。