Module 2 No DrugsSection Ⅲ Grammar 不定式（短语）作目的状语和结果状语从句

　　语法图解

　　探究发现

　　①I stole something every dayto payfor the drugs.

　　②I took the doctor's advice in order not to continue taking drugs.

　　③I refused to take the drug so as not to become addicted.

　　④He raised his voice in order to be heard by all the students.

　　⑤He spoke slowly for us to followhim.

　　⑥Some people feelsonervous that they call the police.

　　⑦It was such a dangerous drug that he nearly died.

　　⑧He worked hard at his lessons, so thathe gained high grades in the exams.

　　[我的发现]

　　(1)在例句①～⑤中，不定式(短语)都作目的状语。

　　(2)不定式的否定形式只需在不定式符号to前加not，如例句②③。

　　(3)不定式的被动式为to_be_done，如例句④。

　　(4)不定式作目的状语时，句子的主语应是不定式动作的发出者。但如果不是，就要用for_sb._to_do_sth.，如例句⑤。

　　(5)例句⑥⑦⑧是结果状语从句。其中such修饰名词(短语)，so修饰形容词或副词。

一、不定式(短语)作目的状语