真题重现：广东高考中的不定式。 1 （2008年高考题）For example, the proverb,“ plucking up a crop _________(help) it grow ,” is based on the following story… 2 （2007年高考题）While.

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1 真题重现：广东高考中的不定式。 1 （2008年高考题）For example, the proverb,“ plucking up a crop _________(help) it grow ,” is based on the following story… 2 （2007年高考题）While she was getting me _________（settle) into a tiny but clean room,… to help to settle

2 高三语法复习：不定式（1） 荣山中学 袁丽霞

3 the Infinitive 不定式 不定式的肯定式： 不定式的否定式： to do not to do

4 the Infinitive 不定式 Ⅰ请指出下面句子中的不定式并指出它在句子中的成分功能。
1) To teach English is my favorite. (the subject 主语) 2) It is necessary for us to help each other.

5 3) I’d like to make a suggestion.
(the object 宾语) 4) Don’t allow him to come in at this moment. (the object complement 宾补)

6 5)What I should do is to finish the task soon.
(the predicative 表语） 6) There are many ways to solve the problem. (the attributive 定语)

7 7) She is making a test to get a kind of useful medicine.
(the adverbial 目的状语)

8 Summary 不定式在句子中可以充当除谓语之外的任何成分: 主语，宾语，宾补，表语，定语，状语。

9 Ⅱ Function as the subject（主语）：
1) _____________________（掌握一门外语）is not an easy thing. 2) _____________ (帮助别人） brings you a lot of happiness. Note 1 : 不定式做主语是单数。 To master a foreign language To help others

10 3) To finish the job in a day _____________________________
(一天内完成这项工作） is impossible. Question: The subject is very long. What can we do with it? It is impossible to finish the job in a day.

11 It is +adj./n+ to do sth.的结构。 做某事是….
Note 2 : 不定式做主语常用于： It is +adj./n+ to do sth.的结构。 做某事是…. 4) It is necessary to __________________________.(每天锻炼身体) 5) It is a pity ______________.（没有去他的音乐会） 主语 形式主语 to take exercise every day not to go to his concert

12 It is +adj./n+ sb to do sth. sb
Fill in the blanks with “of” or “for”. 6) It is polite ___ him to say good bye. 7) It is exciting ___ us to see the super star. 8) It is kind ___ her to help me with English 9) It is important _____ you to make notes when you are listening. for of of for of for

13 Note 3 当表示to do sth is important/impossible/ difficult/easy/necessary ….时，选择”for sb”;
当表示sb is kind/clever/ stupid/polite/rude/careless, …时，选择”of sb”

14 Complete the sentences: 10) 设计程序这个花了我一周。
__took me a week ________________. 11) 晚上我们都要花三小时才能完成作业。 ________________________________. Note 4 : It takes sb. some time to do sth. 某人花…时间做某事 It to design the program It takes us three hours to finish our homework in the evening.

15 Summary 1不定式做主语是单数。 2 常用句型： It is +adj./n+ for sb to do sth. of sb.
某人做某事是…. It takes sb. some time to do sth. 某人花…时间做某事

16 Exercise paper: Correct the sentences.

17 1) We stop him smoking is impossible.
It is impossible for us to stop him smoking. 2) They say thank you to me is polite. It is polite of them to say thank you to me. 3) Mary can’t go to the concert is a pity. It is a pity for Mary not to go to the concert. 4) I walk to school takes 30 minutes. It takes me 30 minutes to walk to school. 5）The man designs the building will take a month. It will take the man a month to design the building.

18 Homework: Go over what you learned today and we will have a quiz
tomorrow.