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(共36张PPT)
Grammar in use
Unit 3 Curious Minds
沪教版（五四）2024 英语 八年级 第一学期
Objectives 教学目标： 通过本节课的学习，学生
1. 能够掌握英语的动词不定式，特别是一些特殊动词的用法，例如：decide, make, suggest, plan, hope, want等，并能够初步简单的理解它们不同的功能和成分。（学习理解）
2. 能够根据语法规则，运用动词不定式来造句，完成短文填空以及关于“好奇心”板块的小组讨论练习。（应用实践）
3. 能够在完成练习的过程中了解与分享其他和好奇心有关的活动，并进一步提升自我好奇心，保护好好奇心的思想。（迁移创新）
Infinitives
/ n f n t vz/ n. 不定式
(1) Dr Gu gave a speech to encourage everyone to keep a curious mind.
(2) Curiosity helps the brain (to) better take in new information.
(3) In 1918, magician Harry made a big elephant disappear on the stage.
(4) I learned to do simple repairs to the family car.
Read and think
What do the underlined parts have in common
‘-to do’ or the original form of verbs
(1) An infinitive is the basic form of a verb, including ...
□ do □ to do □ doing □ does
(2) Infinitives of different forms are used with different verbs.
Work out the rules
√
√
√
√
√
√
(3) An infinitive can be used ...
□ to express a purpose
□ as the object of a sentence
□ to describe the state of a sentence’s object
Work out the rules
√
√
√
Grammar file
Infinitives take two forms:
1. the full infinitive (to + the base form of a verb),
2. and the bare infinitive (the infinitive without to).
Infinitives are often used after different verbs.
动词不定式包括两类：带 to 的动词不定式和不带 to 的动词不定式。动词不定式常用于不同的动词之后。
page 129
Grammar file
page 129
Type 类别 Use 用途 Example 示例
the full infinitive 带 to 的动词不定式 after certain verbs (agree, want, hope, promise, etc.) 用于 agree，want，hope， promise 等动词之后 Julie wants to learn more
about different cultures.
the bare infinitive 不带 to 的动词不定 式 after certain verbs (make, let, have, see, hear, etc.) 用于 make，let，have， see，hear 等动词之后 Every time he hears someone
mention a new book, he
will get one and read it
right away.
Grammar file
Notes:
Some verbs are followed by either the full infinitive or the bare infinitive.
有的动词后的不定式带 to 或不带 to 都可以。
e.g. Exploring nature helps children to learn about the world around them.
Travelling helps satisfy people's curiosity about different cultures.
page 129
Grammar file
page 129
Sentence constituent 句子成分 Example 示例
object 宾语 Dr Gu wants to give students a speech about curiosity.
object complement 宾语补足语 Our teacher asked us to share our
opinions about curiosity in class.
adverbials of purpose 目的状语 Tom enjoyed exploring nature to see
different kinds of plants.
Other detailed rules
1. 不定式的基本形式
不定式由“to + 动词原形”构成。
--- To learn English well takes time.
（学好英语需要时间。）
2. 不定式的时态和语态
--- 主动语态：to + 动词原形
--- I want to eat an apple. （我想吃一个苹果。）
--- 被动语态：to be + 过去分词
--- The book is worth to be read. （这本书值得一读。）
Other detailed rules
3. 不定式的否定形式
在“to”前加“not”构成否定不定式。
--- Not to make noise is important in the library.
（在图书馆保持安静很重要。）
Other detailed rules
4. 不定式在句子中的成分
(1) 作主语
不定式作主语时，常用 “it” 作形式主语，不定式后置。
--- To study hard is important.
→ It is important to study hard. （努力学习很重要。）
(2) 作宾语
不定式可以作动词或介词的宾语。
--- I want to go home.
--- She has a lot of work to do. （她有很多工作要做。）
Other detailed rules
4. 不定式在句子中的成分
(3) 作表语
不定式作表语，说明主语的内容或目的。
--- My goal is to become a doctor.
（我的目标是成为一名医生。）
(4) 作定语
不定式作定语，修饰名词，通常表示未来的动作或目的。
--- I have a book to read.
（我有一本书要读。）
--- She needs a pen to write with.
（她需要一支笔来写字。）
Other detailed rules
5. 省略 “to” 的情况
在某些动词或结构后，不定式省略“to”。
--- Make him do his homework. （让他做作业。）
--- I saw her cross the street. （我看见她过马路。）
常见省略“to”的动词有：make, let, have, see, hear, watch, feel 等。
Other detailed rules
6. 不定式的复合结构
不定式的复合结构为“for/of + 名词/代词 + to do”，表示动作的执行者。
--- It’s important for students to learn English.
（对学生来说，学习英语很重要。）
--- It’s kind of you to help me.
（你帮助我真是太好了。）
Other detailed rules
7. 疑问词 + 不定式
疑问词（what, when, where, how等）后接不定式，构成名词性短语。
--- I don’t know what to do next.
（我不知道接下来该做什么。）
--- Can you tell me how to get to the station
（你能告诉我怎么去车站吗？）
Other detailed rules
8. 不定式的逻辑主语
不定式的逻辑主语可以用 “for” 或 “of” 引出。
--- For us to win the game is difficult.
（我们赢得比赛很难。）
--- It’s very kind of you to say that.
（你这么说真是太好了。）
Other detailed rules
Summary
1. To learn English is fun.
（学习英语很有趣。）——作主语
2. I hope to see you soon.
（我希望很快见到你。）——作宾语
3. His dream is to travel around the world.
（他的梦想是环游世界。）——作表语
4. I have a letter to write.
（我有一封信要写。）——作定语
Other detailed rules
Summary
5. She ran fast to catch the bus.
（她跑得很快去赶公交车。）——作目的状语
6. Let me help you.
（让我帮你。）——省略“to”
7. I don’t know what to do.
（我不知道该做什么。）——疑问词 + 不定式
8. It’s important for us to study hard.
（我们努力学习很重要。）——复合结构
Dear students,
We have decided (1) __________ (have) a section about curiosity
(2) _____________ (encourage) curious minds. We hope (3) __________ (receive) some suggestions from all of you. You can call or email us (4) __________ (share) your ideas. Please let us (5) ________ (know) if you have any questions at any time.
The editors, School Newspaper
Your school newspaper plans to have a section about curiosity.
Complete the notice with the proper forms of the given verbs.
Practise: P 44
to have
to encourage
to receive
to share
know
/ d t z/ n. 编辑
Discuss
(1) Discuss your suggestions on the Curiosity section in the school newspaper with your group members. The words in the box may help you.
Discuss
(1) Discuss your suggestions on the Curiosity section in the school newspaper with your group members. The words in the box may help you.
I want to collect students’ experiences about curiosity.
Sure. We can also invite some model students to give us speeches on curiosity.
Discuss
(1) Discuss your suggestions on the Curiosity section in the school newspaper with your group members. The words in the box may help you.
Great！Let’s make a poster on our newspaper to invite all the teachers and schoolmates to take part in!
Nice. And perhaps we can also plan to have some other interesting activities after school in our Curiosity Club.
Discuss
(1) Discuss your suggestions on the Curiosity section in the school newspaper with your group members. The words in the box may help you.
What about ask our chief editors to share some more ideas
Of course. I really hope to join this curious activity. Maybe I can also help deliver some curious thoughts.
Discuss
(2) Report your suggestions to the class.
After discussion, we want to share some fun and exciting ideas for our school newspaper’s “Curiosity” section. Let’s make it a place where we can all explore, learn, and have a great time together!
Discuss
(2) Report your suggestions to the class.
First up, let’s talk about “Curiosity Challenges”. How cool would it be if, every month, we had a new challenge to try something new Like, maybe learning a simple science experiment, or trying a hobby we’ve always wanted to explore. We could share our experiences and what we learned right here in the newspaper. It’ll be like our own little adventure club!
Discuss
(2) Report your suggestions to the class.
Next, let’s introduce a “Mystery of the Month”. Imagine this: each edition of the newspaper has a puzzle, a riddle, or even a mystery story with clues. We can all try to solve it, send in our answers, and then reveal the solution in the next issue. It’ll be like our own little detective game!
Discuss
(2) Report your suggestions to the class.
How about “Interviews with Curious People” Let’s hear from teachers, students, or even special guests who are known for their love of learning and exploring. Their stories can inspire us to be more curious and help us discover new interests and careers. Who knows, maybe one of us will be featured someday!
Discuss
(2) Report your suggestions to the class.
Finally, let’s set up a “Suggestion Box”. A place where we can anonymously submit our curious questions or topics we want to learn more about. The newspaper can then feature answers, explanations, or even create content based on what we’re all curious about. It’s our chance to shape the content!
Discuss
(2) Report your suggestions to the class.
So, those are our ideas for making “Curiosity” section the best it can be. Let’s work together to make it a place where we can all learn, explore, and have fun.
Thank you!
1. It’s important _______ English well.
A. to learn B. learning C. learn D. learned
2. Helen wants _______ to the party, but she has no time.
A. to go B. go C. going D. goes
Other exercises
A
A
- 解析："It’s important" 后接不定式作主语，表示“做某事很重要”。
- 正确结构：It’s + 形容词 + to do something。
- 解析："want" 后接不定式作宾语，表示“想要做某事”。
- 正确结构：want to do something。
3. The book is easy _______ but hard _____.
A. to read; to understand B. reading; understanding
C. to read; understanding D. reading; to understand
Other exercises
A
- 解析：形容词（easy, hard）后接不定式作状语，表示“某事容易/难做”。
- 正确结构： It’s + 形容词 + to do something。
- 句意：这本书读起来容易，但理解起来难。
4. My sister decided ___________ (be) a doctor in the future.
5. He needs a pen __________ (write) with.
Other exercises
to be
to write
- 解析："decided" 后接不定式作宾语，表示“决定做某事”。
- 正确结构：decide to do something。
- 句意：我姐姐决定将来当一名医生。
- 解析： "a pen" 后接不定式作定语，表示“用来写字的笔”。
- 正确结构：something to do（某物用来做某事）。
- 句意：他需要一支用来写字的笔。
6. The teacher asked us ________________ (not talk) in class.
Other exercises
not to talk
- 解析："asked" 后接带“not”的不定式作宾补，表示“要求不要做某事”。
- 正确结构：ask someone (not) to do something。
- 句意：老师要求我们不要在课堂上讲话。
Homework
1. 基础作业：完成教材配套的练习册内容，
完成时间状语从句的练习卷。
2. 进阶作业：以 “英语的动词不定式” 为主题，画一幅美观的 思维导图，表达自己的所学所得。

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