2015年秋高中英语Module2NoDrugsGrammar1学案(无答案)外研版必修2

Module 1 No Drugs
Grammar
Ⅰ Studying Aims 学习目标
1. to master the infinitive of purpose and learn to use it correctly（掌握不定式作目的状语的用法，并能准确地运用）
Ⅱ Self-study Guides 自学指导
Step1 根据下面例句，总结不定式在句子中所做的句子成分。

1. To save time is to lengthen life.
2. His job is to teach English.
3. I learn to speak Japanese.
4. He said he had an important meeting to attend.
5. He sat down to have a rest.
总结：动词不定式具有副词、形容词和名词的特征，因此在句子中可作_______、________、__________、_________、__________等。

Step2 观察下面的句子，重点学习不定式做目的状语的用法。

1. In order to get there in time, they started early.
2. He turned the radio down in order not to wake the baby.
3. They started early so as to get there in time.
4. Little Tom ran all the way so as not to be late.
5. To draw maps properly, you need a special pen.
6. He opened the door for the children to come in.
总结：不定式做目的状语主要修饰动词，表示某一动作的目的，其发出者通常是__________,，如若不是则在不定式前加_____________, 构成不定式的复合结构，
有时也可以用in order to 引导目的状语，既可以放在_______,也可以放在_______.否定形式为_____________.由so as to引导的目的状语，只能置于___________，其否定形式为_________。

跟踪练习
1. Our teacher always speaks slowly and clearly in class________.
A. so as to be understood
B. to have understood
C. so as to understood
D. to understand
2. _________, the student insists that he be separated from his desk mate, who is naughty.
A. To avoid being affected C. Avoiding being affected
B. To avoid to be affected D. Avoiding to be affected
Ⅲ Summary(小结)
Ask some students to summarize the main points of this class.
Ⅳ Exercises in class （当堂训练）
1.The news reporters hurried to airport, only_____ the film stars had left.
A. to tell
B. to be told
C. telling
D. told
2. Go to bed right away. You need to get up as early as you can________ the early train.
A. catch
B. catching
C. caught
D. to catch
3. __________ late in the morning, Bob turned off the alarm.
A. to sleep
B. sleeping
C. sleep
D. having slept
4.Helen had to shout________ above the sound of the music.
A. making herself hear
B. to make herself hear
C. making herself heard
D. to make herself heard。