资源简介

(共16张PPT)
Unit 2　
Natural disasters
Section 3　Grammar and usage
To–infinitives as attributives and adverbials of result
1．Identify and categorize the use of to–infinitives as attributives and adverbials of result；
2．Summarize general rules of to–infinitives as attributives and adverbials of result；
3．Apply the rules and use to–infinitives to complete or make sentences.
Ⅰ 完成课本第20页练习A
【答案】 略
Activity 1
Exploring the rules
规则探究
Ⅱ 翻译下列各句，并思考不定式做定语时与所修饰名词或代词的关系
1．Wendy was the first one to arrive at school.
___________________________
2．He is the only person to know the truth.
_________________________
3．I have a meeting to attend.
_____________________
4．This is a good topic to talk about.
___________________________
温迪是第一个到学校的人。
他是唯一知道真相的人。
我有个会议要参加。
这是个值得谈论的好话题。
5．She expressed a wish to make a change.
_______________________________
6．He broke his promise to write to his parents regularly.
_________________________________
7．The house to be built there will be a library.
_________________________________
8．He has something important to say at the class meeting.
_______________________________
她表达了想要做出改变的愿望。
他违背了定期给父母写信的承诺。
那里将要建的房子是一座图书馆。
他在班会上有重要的事情要说。
Ⅲ 阅读下列各句，标出动词不定式做结果状语的常见结构
1．He was too tired to think clearly.
2．Jane sang so well as to come out first in the singing competition.
3．He has learnt a lesson, never to repeat the same mistake.
4．I hurried to the station, only to find the train gone.
5．She is careful enough to avoid mistakes in exams.
6．It is such an important exam as to change his future.
Activity 2
Working out the rules
归纳总结
Ⅰ 动词不定式做定语
动词不定式做定语，一般置于被修饰的名词或代词后面，与名词或代词之间常有一定的逻辑关系。具体如下：
1．被修饰的名词或代词是动词不定式的逻辑_______。序数词、形容词最高级或the last/the only/the next等后常用_____________做定语；
2．被修饰的名词或代词是动词不定式的逻辑_______。若动词不定式是不及物动词，需加________才能与名词或代词之间构成动宾关系；
主语
动词不定式
宾语
介词
3．名词与动词不定式之间是同位关系，即动词不定式是所修饰的名词的___________，这类抽象名词有wish、promise、ability、chance、ambition、anxiety、reply、attempt、plan等；
4．动词不定式做定语，有_______形式。
具体内容
被动
Ⅱ 动词不定式做结果状语
动词不定式做结果状语，往往表示其动作发生在谓语动作之后，并且总是在句末，而不能置于句首。常见于以下结构：
1．too＋形容词/副词＋to … “___________________”；
2．… enough to …“_______________”；
3．so＋形容词/副词＋as to …“_____________________”；
4．never to … “永不”；
5．在特殊结构only to …中，动词不定式常表示___________的结果。
太……而不能……
……足够……
如此……以至于……
意料之外
Ⅰ 用动词不定式翻译句子
1．我不能跟你去看电影，我有很多工作要做。
________________________________________________________
2．他是自愿参加这项危险任务的最勇敢的士兵。
____________________________________________________
Activity 3
Applying the rules
规则应用
I can’t go to the cinema with you, because I have a lot of work to do.
He’s the bravest soldier to volunteer for the dangerous mission.
3．她跟父母表达了继续深造的愿望。
________________________________________________
4．明年要建造的这所房子是给那些无家可归的人的。
_______________________________________________
5．她匆忙赶到王教授家，可是却发现他外出了。
_____________________________________________________
She expressed to her parents her wish to further her study.
The house to be built next year will be for the homeless.
She hurried to Professor Wang’s house, only to find he was out.
Ⅱ 短文填空
Our school recently launched a campaign 1．____________(promote) environmental awareness. The first task assigned to us was 2．__________ (reduce) plastic waste. We were asked 3．___________(bring) reusable bottles instead of buying disposable ones.
Many of us volunteered 4．______________(organize) a recycling programme. Our teacher encouraged us 5．_________(set) clear goals. We invited a local expert 6．__________(give) a lecture on sustainability. His advice proved to be extremely valuable.
to promote
to reduce
to bring
to organize
to set
to give
To achieve zero–waste, we promised 7．______________(not waste) any recyclable materials. We worked day and night 8．______________ (establish) an efficient sorting system, only 9．__________(find) the amount of paper collected was beyond our expectations—we needed larger recycling bins!
Through this project, we’ve learnt that small actions have the power 10．__________(make) a huge difference.
not to waste
to establish
to find
to make
Finish B on page 21 of the textbook.

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