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