Unit 4 Space Exploration Discovering useful structures 不定式作定语和状语 课件 -2025-2026学年高中英语人教版必修第三册

该高中英语课件聚焦动词不定式作定语和状语的用法，通过复习不定式构成、歌曲歌词导入及汉译英练习，搭建从旧知到新知的学习支架，引导学生逐步感知语法功能。 其亮点在于以情境化任务驱动学习，通过例句观察归纳规则培养思维品质，多样化练习提升语言能力，Summary环节系统梳理知识体系。学生能在实践中掌握语法，教师可借助结构化内容提高教学效率。

Unit 4 Space Exploration Discovering useful structures The Infinitives as Attributive & Adverbial 1 Step1 Revision 用所给词的适当形式填空。 1. It's a great honour for me __________(stand) here and give you a speech. to stand 2. I want __________(work) in the country. to work 3. He asked me __________(do) the work with him. to do Summary: 动词不定式由“_____________”构成，在句子中充当一定成分。 to+动词原形 Someone You Loved I’m going under and this time I fear there’s no one to save me This all or nothing really got a way of driving me crazy I need somebody to heal Somebody to know Somebody to have Somebody to hold It’s easy to say But it’s never the same I guess I kinda liked the way you numbed all the pain Step2 Lead-in Step 2. Lead-in 4 Try to translate these sentences. 我有好多作业要做。 我是第一个进入教室的人。 我们努力学习是为了实现我们的梦想。 I have a lot of homework to do. I am the first one to get into the class. We study hard in order to realize our dreams. to do 4 Step 2. Presentation 5 我们常说的不定式是啥呢？ 不定式是动词的一种非限定形式,由“to+动词原形”构成，没有人称和数的变化，在句中不能独立作为谓语。 但不定式具有名词、形容词和副词的特征，在句中可以作主语、宾语、宾语补足语、表语、定语、状语等。 5 Part One The infinitives as the Attributive (动词不定式用作定语) 定语： 用来修饰、限定、说明名词或代词的品质与特征的。 汉语翻译中常用，“......的”表示。 to do 是来修饰前面的homework I have a lot of homework to do. He is always the first person to get into the class. 不定式作定语时，一般都是做_____定语，位于它所修饰的名词或代词的_____ to get into the class 是来修饰前面的the first person 后置 后面 （一）不定式作定语的位置 (2) 我有一些话想说 (1) 你有吃的东西吗？ Do you have anything to eat? 1.修饰不定代词something, anything等时，动词不定式要放在这些词的_______ 后面 I have something to say. to do 在这里修饰的是前面的____________________ something、anything （二）不定式作定语的具体用法 Try to find out some rules Where can we use infinitive as attributive (1)He is always the first one to get to school. She is always the third person to get into the class. (2)The boy was always the last one to arrive at the classroom. She is the next one to answer this question. (3)The youngest person to enter this university was just fourteen. He was the best man to do this job. (4)The boy was the only one to have survived the crash. Lily was the only one to stay for the whole speech. 序数词+名词/代词 顺序词+名词/代词 形容词最高级+名词 the only+名词/代词 (1)Lily was the only one to stay for the whole speech. (2)He is always the first one to get to school. (3)The youngest person to enter this university was just fourteen. 2.当修饰的名词、代词前带有 the only、形容词最高级、 序数词（the first，the second等）、 顺序词（the last，the next等）等情况时， 修饰的名词/代词后用不定式作_____定语 后置 Summary 2 manager, attend the conference 经理是最后一个去参加会议的。 In my opinion, the best way to go to Beijing is by car. 在我看来，去北京的最好的方式是坐小汽车。 Practice The manager is the last one to attend the conference. 12 (1) I believe that you have the ability to learn English well. (2)You must have the courage to say “No”. 3、有些抽象名词_______常接不定式作定语，如ability, chance, desire, decision, effort, intention, need, opportunity, plan, promise, way等。 后面 1.Thank you for giving me this chance _______ (make) the speech. 2.As an editor, the ability ________ (use) the computer is very important. 3.There is nothing _________(worry) about. 4.He became the first person in the world _________(go) into space. 5.I want to get something ___________(drink). Exercises to make to use to go to drink Practice Makes Perfect ! to worry Part Two Infinitives as the Adverbial (不定式作状语) ① You need to check your homework so as to avoid mistakes. ② In order to pick up the passengers, the car stopped. ③ He ran fast in order to get there before 7 o’clock. ④To catch the early bus, I got up early this morning. Observe these sentences and try to find out some rules. 1、不定式作目的状语 (in order) to+动词原形（可置于______或_______，表目的） so as to+动词原形（通常______________），意为“为了” 不定式在此表________,作为______状语。 目的 目的 句首 句中 不置于句首 16 2. 不定式作结果状语（通常出现在句尾） （1）too ... to+动词原形，意为“太……以至于不能……”。 He was too ill to travel. 他病得太重，以至于不能出行。 我太累了，不能熬夜。 I was too tired to stay up . 不定式在此表________,作为______状语。 结果 结果 17 I arrived only to find that the others had already left. 我到了之后却发现别人都已走了。 (only) to+动词原形 only to常用于表示结果令人失望或感到意外， 常用搭配 only to find/discover/realize They hurried to the railway station, only ________ (find) the train had left. 不定式作结果状语 to find 18 （3）adj. + enough to do，意为“足够…去做……”。 He is old enough to go to school. 不定式作结果状语 You are intelligent enough to be admitted into your favorite university. 19 （1）too ... to+动词原形，意为“太……以至于不能……”。 （2）only to+动词原形，意料之外的结果 （3）adj. + enough to do，意为“足够…去做……”。 不定式作结果状语 Summary 20 我很高兴收到你的来信。 I am glad to receive your letter. 我们很抱歉听到这个坏消息。 We are sorry to hear the bad news. 主语+be+表示情绪或感情的形容词+不定式，此时不定式作________状语。 glad、sorry 是用来表示___________ 人的情感 原因 3、不定式作原因状语 21 用于这一结构的形容词主要有： afraid，angry，glad，happy，sorry，amazed，delighted，disappointed，excited，shocked，surprised等等。 不定式作原因状语 1 . We were surprised ___________ (find) that he had left. 2. We were very excited ___________(hear) the news. to find to hear 22 He was too lazy to finish the work on time.  I ran to the station only ________ (find) I had missed the train. 他太懒惰了以至于不能按时完成作业。 Practice to find Summary to do 定语 状语 序数/顺序/adj.最高级/the only 原因状语 目的状语 抽象名词后(eg. dream ) + to do in order to/ so as to/ to only to do/enough to do/ too... to... + 名词/代词 + to do 前置？ 后置？ 不定代词后+to do be+ 情绪形容词+ to do 结果状语 Eg. something to say 24 1. Here is a picture ___________ (paint) by a famous painter. 2. I will become the first one ________ (finish) the project. 3. We were very excited ___________(hear) the good news. 4.__________(know) this is true, we can not explain it. 5. We are all __________in this _________story. (interest) 6. It is not an easy goal _________(explore) space. Exercises 语法练习大杂烩 1. Here is a picture ___________ (paint) by a famous painter. 2. I will become the first one ________ (finish) the project. 3. We were very excited ___________(hear) the good news. 4.__________(know) this is true, we can not explain it. 5. We are all __________in this _________story. (interest) 6. It is not an easy goal _________(explore) space. Exercises painted to finish to hear 语法练习大杂烩 Knowing interested interesting to explore Thank you 27 $