内容正文:
年级: 高二 班级: 学生姓名: 科目: 英语 制作人: 英语组 教务审批:
Book6 Unit 1 & 2 Grammar
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Motto: Do one thing at a time, and do well.一次只做一件事,做到最好!
Learning aims:
In this period, you will:
1. discover and summarize the pragmatic features and functional meaning of infinitives as the predicative & subject;
2. realize language output by correctly using the grammatical structure of infinitives.
Learning procedures and tests
Learning procedures
Texts
动词不定式的概念
动词不定式的形式变化
1.不定式的一般式 ——动作通常与谓语表示的动作同时或几乎同时发生,或是在它之后发生。
He appears to be very happy.
To catch the train, we’ d better hurry to the station by taxi.
2.不定式的进行式 ——表示正在进行或与谓语表示的动作同时发生的动作。
It happened to be raining when I got there.
3.不定式的完成式 ——不定式的完成式表示的动作在谓语表示的动作之前发生。
I’m sorry to have lost your key.
4.不定式的完成进行式 ——不定式的完成进行式表示的动作在谓语表示的动作之前发生并且一直持续,并且仍在进行。
He was said to have been living in London for twenty years.
5.不定式的被动语态
当不定式逻辑上的主语是这个不定式表示的动作的承受者时,不定式一般要用被动形式。
不定式的被动形式根据其与谓语动作发生的先后关系,有一般式和完成式两种。
(1)一般式
These are the books to be given out to the students.
(2)完成式
The novel is said to have been translated into many languages.
Summary
类别
主动语态
被动语态
一般式
完成式
进行式
完成进行式
动词不定式作主语
观察下列句子,注意黑体部分在句中所作的句子成分。
1. However, during this period, it can be easy for some of them to form bad habits.
2. To prevent harmful habits like these from dominating a teenager’ s life is essential.
3. To change bad habits is never easy, even with many attempts.
4. When to hold the sports meeting has not been decided.
【语法感悟】
①在句1中,it是 ,代替后面的动词不定式短语。
②在句2、3中,To prevent...和To change...都是动词不定式短语作 。
③在句4中,When to hold...是“疑问词+to do”结构,该部分在句中作 。
动词不定式具有名词特征,可以在句子中充当主语。( )
To see_______ to believe. 眼见为实。
To say _____ one thing and to do is another. 说是一回事,做又是另一回事。
注: