新人教高中英语必修三Unit4 Discovering Useful Structures公开课课件

Unit 4 History and Traditions

Period 3 Discovering Useful Structure

导学案

1. Learn the structure of the present continuous passive voice and its functions.

2. Learn to change the sentences with the present continuous tense into the sentences with the present

continuous passive voice.

3. Learn to write sentences with the present continuous tense flexibly according to the context.

1. Learn the structure of the present continuous passive voice and its functions.

2. Learn to change the sentences with the present continuous tense into the sentences with the present

continuous passive voice.

3. Learn to write sentences with the present continuous tense flexibly according to the context.

Step 1. Observe the following sentences, and answer the question:

What is the relationship between the past participle and the nouns ?

Section Ⅲ Discovering Useful Structures

动词不定式

1．(教材P40)Looking up at the stars, people have always wanted to learn(learn) more about

space, and scientists work hard to find(find) answers.

2．(教材P40)They make vehicles to carry(carry) brave people into space to find(find) out the

secrets of the universe.

3．(教材P41)More recently, China has sent Chang’e 4 to explore(explore) the surface of the

far side of the moon to make(make) measurements and observations.

4．I am happy to have found(find) many things I can do, like writing and computer

programming.

5．My ambition is to work(work) for a firm that develops computer software when I grow up.

动词不定式由“to＋动词原形”构成。这里的to是不定式标志，无意义，有时可省略。其否定形式为“not＋动词不定式”。不定式既有名词、形容词或副词的某些语法功能，又有动词的时态和语态的特点及作用。

不定式的时态和语态

主动语态 被动语态 意义

一般时 to do to be done 表示动作与谓语动作同时发生或发生在谓语动作之后

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Unit5 Discovering Useful Structures and Listening and Talking

词句-情景破

知识点1 absorbed in被……吸引住；专心致志；全神贯注

情景导学

1.When he ________ ________ ________ his world of music, he felt as if he could

“see” the beauty of the world around him like he had in his previous life.（教材P54）

当他沉浸在他的音乐世界时，他觉得他仿佛能“看到”周围世界的美，就像他前世一样。

2.She seemed totally________ ________ this book.

她好像完全被这本书迷住了。

3.He is completely ________ ________ his business.

他完全专注于他的业务。

归纳拓展

absorb vt.吸收；理解；使全神贯注

absorb oneself in…全神贯注于……

absorb…into...把……吸收进……

absorb one’s attention吸引某人的注意力

absorbed adj.专心致志的

be absorbed in…专心致志于……

链接高考

单句填空

1-1（2018课标全国III，阅读理解D，★★☆）We both became ________ (absorb)

in the simplicity of playing together.

1-2（2017课标全国III，语法填空，★★☆）But at the moment, school comes first.

I don’t want to get too absorbed ________ modeling.

2019新人教高中英语选择性必修三

Unit4 Adversity and Courage

Discover Useful Structures公开课教案

Teaching aims：

1.Enable students to master the usage of the present perfect continuous tense.

2.Guide students to distinguish the present perfect continuous tense from the

present perfect tense.

3.Help students to use the present perfect continuous tense to express your

own ideas in the real situations.

Teaching key points:

1. Help students identify the usage of the present perfect continuous tense.

2. Instruct students to tell the present perfect continuous tense from the

present perfect tense.

3. Lead students to use the present perfect continuous tense in the context.

Teaching difficult points:

1. How to use the present perfect continuous tense in the real situations.

2. Distinguish the present perfect continuous tense from the present perfect