UNIT 3 Section Ⅲ Discovering Useful Structures-【优学精讲】2025-2026学年高中英语必修第三册教用课件(人教版)
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教辅
摘要:
该高中英语课件聚焦“省略”语法,通过美文诵读导入,呈现不同语境中的省略实例,再按简单句、并列句、复合句等类型,以“先感悟—会发现—善归纳—运用练”为支架,构建从具体到抽象的知识脉络。
其亮点在于采用“形式—意义—使用”三维动态语法观,结合语言能力培养(如实例分析省略类型)、思维品质提升(分类归纳省略规则)和学习能力发展(随堂检测与课时检测)。例如通过教材典句和高考真题实例,帮助学生系统掌握省略用法,教师可借助结构化设计提升教学效率。
内容正文:
Section Ⅲ Discovering Useful Structures
目 录
01
重难语法·要攻克
02
随堂检测·要过关
03
知识要点·须拾遗
04
课时检测·提能力
重难语法·要攻克
目 录
省 略
After breakfast, Mom was doing housework in the kitchen.She
talked to Tom while washing① bowls and plates.She said to Tom,
“Dear son, look out for cars when crossing② the street.” Tom usually
said to his mom, “See you③, Mom.”However, this time, she
heard nothing.Tom hurriedly left home as if anxious④.She considered
Tom rude this time, but she didn’t know why⑤.She thought she would
make Tom realise⑥ his wrong doings when he came back from school.
目 录
英语·必修第三册
1. 加蓝处①②④为状语从句的省略;
2. 加蓝处③为简单句的省略;
3. 加蓝处⑤为宾语从句的省略;
4. 加蓝处⑥为动词不定式的省略。
目 录
英语·必修第三册
——运用“形式—意义—使用”相结合的三维动态语法观
一、省略的定义
省略是一种为了避免重复、保持句子简洁而将一个或几个句子成
分省略掉的语法现象。凡是缺少一个或一个以上的必要语言成分,在
一定的语境中能够独立存在,意义明确,并且能发挥实际功能的句子
就是省略句。
目 录
英语·必修第三册
二、简单句中的省略
【先感悟】
①(You) Join us in our efforts to protect our environment.
②(It) Doesn’t matter.
③He has a knowledge of first aid but his friend doesn’t (have a
knowledge of first aid).
④(You come) This way, please.
目 录
英语·必修第三册
【会发现】
(1)句①②中省略了 ;
(2)句③中省略了 ;
(3)句④中省略了 。
主语
主语和谓语
谓语和宾语
目 录
英语·必修第三册
【善归纳】
1. 省略主语
一般情况下,主语是不能省略的,但在祈使句和其他不容易引起歧义
的情况下,特别是在口语中,常常省略主语,主要是祈使句中的you
和疑问句中的主语;
2. 省略宾语
当上、下或前、后两个句子的宾语一致时,下句或后句常常省略
宾语;
目 录
英语·必修第三册
3. 省略主语和谓语(或谓语的一部分)
在某些具体的场合下,主语和谓语都很明确,此时为了简化或显得亲
切等,可将主语和谓语(或谓语的一部分)同时省略,只剩下表语、
宾语、状语或其他成分。
目 录
英语·必修第三册
【运用练】 用省略句完成句子
① , or you will get punished.
遵守规则,否则你会受到惩罚。
② !
多美的景色啊!
③ about the plan?
对这个计划有什么想法吗?
Obey the rules
What a beautiful sight
Got any idea
目 录
英语·必修第三册
三、并列句中的省略
在由and或but连接的并列句中,常省略一些重复的词或词组。
【先感悟】
①(教材典句) This district used to be a poor area of town, but (this
district) is now a centre for art, music, and food.
②(2024·新课标Ⅰ卷)I ran like crazy through the airport building and
(I) jumped into the first taxi on the rank without a second thought.
③When summer comes, the day is getting longer and longer, and the
night (is getting) shorter and shorter.
④My brother likes sports and I (like) music.
⑤They tried their best but (they tried) in vain.
目 录
英语·必修第三册
【会发现】
(1)句①②中省略了共同的 ;
(2)句③④中省略了共同的 ;
(3)句⑤中省略了共同的 。
主语
谓语
主语和谓语
目 录
英语·必修第三册
【善归纳】
1. 省略共同的主语或宾语。
2. 若主语不同,而谓语部分的系动词、助动词或情态动词相同,则省
略后面的系动词、助动词或情态动词。
3. 若主语与谓语动词相同,则省略后面的主谓成分。
4. 若主语不同,但主要动词及后续部分相同,则省略主要动词及后续
部分。
目 录
英语·必修第三册
【运用练】 写出下列句中可以省略的部分
①He gave up drinking several months ago, but he returned to his old
way later.
②Jack must have been playing football and Mary must have been doing
her homework.
③His claim made me happy, but his claim made Jim angry.
④He has a knowledge of China but his friend doesn’t have a knowledge
of China.
省略第二个he
省略第二个must have been
省略
his claim
省略have a knowledge of China
目 录
英语·必修第三册
四、复合句中的省略
【先感悟】
①While (I was) walking along the street, I heard my name called.
②My husband and I agreed they were the best fruit (that) we had ever
eaten.
③They said (that) the meeting was very important and that we
mustn’t be late.
目 录
英语·必修第三册
【会发现】
(1)句①中省略了从句中的 和 ;
(2)句②中省略了在定语从句中作 的关系代词that;
(3)句③中省略了引导 从句的第一个that,第二个that不可
省略。
主语
was
宾语
宾语
目 录
英语·必修第三册
【善归纳】
1. 状语从句中的省略
状语从句的主语跟主句的主语相同或从句主语是it且从句谓语中含有
be动词时,则从句中主语和be动词常被省略。
2. 定语从句中的省略
关系代词在限制性定语从句中作宾语且前面无介词时,可以省略关系
代词。
目 录
英语·必修第三册
3. 宾语从句中的省略
(1)及物动词后接宾语从句时,连接词that一般可以省略;但如果及
物动词接两个或两个以上that引导的宾语从句,那么只有第一个that可
以省略;
(2)when、where、how和why引导的宾语从句有时可以仅保留
引导词。
目 录
英语·必修第三册
【运用练】 用省略句完成句子
①More importantly, there are teachers online
.
更重要的是,你可以向网上的老师寻求帮助。
②The new technology has been changing the way
.
新技术一直在改变我们的生活方式。
③ , don’t forget to look at the traffic
lights.
骑自行车时,别忘了看交通信号灯。
(whom) you can turn
to for help
(that/in which) we
live
While (you are) cycling
目 录
英语·必修第三册
④He said and that we should
learn it by heart.
他说这篇课文很重要,我们应该牢记在心。
(that) the text was very important
目 录
英语·必修第三册
五、其他情况的省略
【先感悟】
①You can’t force him to answer the question if he’s not ready to
(answer the question).
②We often hear her sing an English song in the classroom.
→She is often heard to sing an English song in the classroom.
(被动语态)
③—Can you finish your work today?
—I think so.
④The heavy rain prevented him (from) arriving there on time.
目 录
英语·必修第三册
【会发现】
(1)句①中省略了和主句中相同的成分,仅保留 ;
(2)句②中感官动词后作宾语补足语的动词不定式变为
时要还原to;
(3)句③中的so代替 ;
(4)句④中省略了 。
不定式符号to
被动语
态
I can finish my work today
介词from
目 录
英语·必修第三册
【善归纳】
1. 动词不定式的省略
(1)当动词不定式在形容词afraid、anxious、eager、glad、happy、
ready、willing等后面作状语时, to后面的内容常省略;
(2)某些使役动词,如make、let、have等和感官动词,如see、
watch、notice、observe、hear等后面作宾语补足语的动词不定式须省
略to,但这些动词若用于被动语态,则不省略to;
(3)并列的动词不定式可以省略后面的不定式符号to,但若两个动词
不定式之间表示对比关系时,则不能省略to;
目 录
英语·必修第三册
(4)当动词不定式在某些动词后作宾语时,常常可以省略to后面的内
容,常见的动词有agree、afford、expect、forget、hope、know、
manage、pretend、remember、refuse、want、wish、would like等;如
果不定式中含有be或完成式,通常保留be或have;
(5)介词but(除了)、 except (除了) 前面有实义动词do的某种形
式时,后面的动词不定式省略to;
(6)当动词不定式作某些复合谓语时,如be going to、 be able to、
have to、 ought to、 used to等,可以只保留不定式符号to。
目 录
英语·必修第三册
2. 使用so、not等时的省略
可以用so、 not或其他方式来省略上文或问句中的一部分或整个句
子。
3. 介词的省略
一些与动词、名词或形容词搭配的介词常常可以省略,而保留介词后
面的动名词。常见的结构有:
①have difficulty/trouble (in) doing sth
②be busy (in) doing sth
③spend some time (in) doing sth
④stop/prevent sb (from) doing sth
目 录
英语·必修第三册
【运用练】 用省略句完成句子
①I told him .
我告诉他坐下来等一会儿。
②The only thing you have to do is .
你唯一要做的事情是按按钮。
③She wants to come but her .
她想来,可是她父母不允许。
④I’m sorry to learn that you are
.
我很遗憾地得知你在适应新环境方面有困难。
to sit down and (to) wait for a moment
(to) press the button
parents won’t allow her to (come)
having trouble (in) getting used to
the new surroundings
目 录
英语·必修第三册
随堂检测·要过关
目 录
Ⅰ.基础题型练
1. The man was noticed (enter) the classroom.
2. Kids today have fewer chances to experience nature with their parents
and (adventure) outside alone.
3. To my relief, I had my father (repair) my bike
yesterday.
4. You can’t imagine what difficulty we had (walk)
home in the snowstorm.
to enter
(to) adventure
repair
walking
5. Are you too old for fairy tales? If you think , Copenhagen is
sure to change your mind.
so
目 录
英语·必修第三册
Ⅱ.将下列句子改写成省略句
1. She stood at the gate as if she was waiting for someone.
→She stood at the gate as if .
2. When he was in America, he made many friends with students from
different countries.
→ , he made many friends with students from
different countries.
3. You must look both ways before you cross the road.
→ before you cross the road.
waiting for someone
When in America
Look both ways
目 录
英语·必修第三册
知识要点·须拾遗
目 录
◇fold vt.包;裹;折叠 vt.& vi.(可)折小;(可)叠平
教材原句 I really like that paper folding book, and my son likes that
paper folding book, too.
我真的很喜欢那本折纸书,并且我的儿子也喜欢那本折纸书。
【用法】
(1)fold (up) 折叠;对折
with one’s arms folded 双臂交叉(抱在胸前)
fold one’s hands 双手交叉(或合拢)
(2)unfold v. (使)展开;打开
(3)folding adj. 可折叠的;折叠式的
目 录
英语·必修第三册
【佳句】 The teacher told Ralphie to sit down.The boy did so, and
folded his hands in his lap for a minute or two. (动作描写)
老师叫拉尔菲坐下。男孩照做了,双手交叉放在腿上,有一两分钟的
时间。
【练透】 单句语法填空
①I finished my coffee, (fold) my newspaper and stood
up.
②As the story (fold), we learn more about Max’s
childhood.
folded
unfolds
目 录
英语·必修第三册
【写美】 完成句子
③The policeman stood next to him, , staring
ahead at the windows of the train.(with的复合结构)
警察站在他身边,双臂交叉,向前凝视着火车窗口。
with his arms folded
目 录
英语·必修第三册
课时检测·提能力
目 录
Ⅰ.基础题型练
1. Last Sunday, while (play) football, he suddenly fell
down to the ground, looking in great pain.
2. He opened his mouth as if (say) something.
3. You should stay where you are, unless (ask) to leave.
4. The child wanted to play in the street, but her mother told her
not .
5. Knowing his trouble, I had nothing to do but (inspire)
him to continue his work.
playing
to say
asked
to
inspire
目 录
英语·必修第三册
6. Generally speaking, when (take) according to the
instructions, the drug has no side effects.
7. He succeeded in solving all the problems as (expect).
8. Her job is to take care of the elders and (wash)
their clothes.
9. He rushed out of the room as if (meet) some important
person.
taken
expected
(to) wash
to meet
目 录
英语·必修第三册
Ⅱ.将下列句子改写成省略句
1. The burn that she got from the iron was red and it was very painful.
→The burn was red and .
2. The winters in Hangzhou are not so mild as they are in Guangzhou.
→The winters in Hangzhou are not so mild .
3. John will go abroad to travel but his brother will not go abroad to
travel.
→John will go abroad to travel but .
she got from the iron
very painful
as in Guangzhou
his brother will not
目 录
英语·必修第三册
4. Only some of the students have done a first-aid course but most of the
students haven’t done a first-aid course.
→Only some of the students have done a first-aid course but
.
5. You can’t force him to take charge of the project if he’s not ready to
take charge of the project.
→You can’t force him to take charge of the project if
.
most
haven’t
he’s not ready
to
目 录
英语·必修第三册
Ⅰ.完形填空
(2025·南昌高一检测)Gina would visit her aunt in Toronto.This
was her first bus trip on her own.When she 1 her bus, there was
one 2 left, next to a boy in a 3 shirt.He was talking on his
mobile phone.The boy looked up when she sat down beside
him.Gina 4 and she wanted to talk to him. 5 , the boy didn’t
smile back.Gina didn’t care and 6 her eyes.The bus started
moving, and Gina quickly fell asleep.
目 录
英语·必修第三册
A few 7 later, Gina woke up.The boy beside her got up to
leave.“Where are we?” asked Gina.“Hamilton,” said the
boy.“Didn’t we go through Toronto?” she asked.“Yes, we
did,” he replied.“We have left Toronto an hour ago, and ...” Gina
didn’t want to 8 more.She quickly got off the bus 9 it left and
called her 10 .No reply.She tried again, but her phone 11
working.
目 录
英语·必修第三册
Things got 12 by the minute.Gina reached for her 13 , but
it was still on the bus.She looked down the road.The bus had driven away
in the distance.She felt as if she would never find her 14 back.Gina
almost started crying when she 15 heard a voice behind her.“Does
this belong to you?” It was the boy in the basketball shirt and he had her
bag.
语篇解读:这是一篇记叙文。文章讲述了吉娜第一次独自乘公共汽
车去多伦多看望姑妈时发生的故事。
语篇解读:这是一篇记叙文。文章讲述了吉娜第一次独自乘公共汽
车去多伦多看望姑妈时发生的故事。
目 录
英语·必修第三册
1. A. drove away B. pulled over
C. got on D. took up
解析: 根据空前一句和下文The boy looked up when she sat
down beside him.可知,吉娜上了车并在一个穿着篮球衫的男孩旁
边坐了下来。
2. A. passenger B. seat
C. ticket D. conductor
解析: 根据空后的next to a boy和The boy looked up when she sat
down beside him.可知,车上只剩下男孩旁边的一个座位。
√
√
目 录
英语·必修第三册
3. A. football B. basketball
C. volleyball D. baseball
解析: 根据最后一段最后一句可知,男孩穿着篮球衫。
4. A. screamed B. shouted
C. smiled D. ignored
解析: 根据空后的she wanted to talk to him和the boy didn’t smile
back可知,吉娜主动冲着男孩微笑,但男孩没有回应。
√
√
目 录
英语·必修第三册
5. A. However B. Therefore
C. Moreover D. Meanwhile
解析: 根据空前和空后句可知,上下文有转折关系。
6. A. closed B. rolled
C. raised D. narrowed
解析: 根据下文Gina quickly fell asleep可知,吉娜闭上了眼
睛睡着了。
√
√
目 录
英语·必修第三册
7. A. seconds B. minutes
C. hours D. days
解析: 根据下文We have left Toronto an hour ago, and ...可知,
时间已经过去了几个小时了。
8. A. stand B. agree C. hear D. offer
解析: 根据上文We have left Toronto an hour ago, and ...和下文
She quickly got off the bus可知,吉娜知道自己错过站,所以她等不及
要下车了,不想再听男孩说的话。
√
√
目 录
英语·必修第三册
9. A. before B. until C. after D. once
解析: 根据该句空前空后可知,她在汽车开动前下了车。
10. A. friend B. classmate
C. guide D. aunt
解析: 根据第一段第一句可知,吉娜错过站,所以下车后马上联
系她要去看望的姑妈。
√
√
目 录
英语·必修第三册
11. A. stopped B. avoided
C. kept D. started
解析: 根据上文She tried again和but可推知,虽然再次尝试,但手
机坏了。
12. A. wilder B. clearer
C. stranger D. worse
解析: 结合空后三句可知,电话打不通,东西也掉在了车上,所
以情况更糟糕了。
√
√
目 录
英语·必修第三册
13. A. phone B. coat C. food D. bag
解析: 由下文it was still on the bus和It was the boy in the basketball
shirt and he had her bag.可知,吉娜伸手拿包,发现包不见了,以为掉
在了车上。
14. A. bus B. way
C. happiness D. courage
解析: 根据上文No reply.She tried again, but her phone 11
working.可知,吉娜觉得自己找不到回去的路了。
√
√
目 录
英语·必修第三册
15. A. eventually B. gradually
C. immediately D. suddenly
解析: 根据空前Gina almost started crying when ...可推知,吉娜
在绝望的时候突然听到男孩的声音。
√
目 录
英语·必修第三册
Ⅱ.语法填空
(2025·蚌埠高一第四次联考)
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In the age of rapid technological development, DeepSeek has
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healthcare, DeepSeek’s algorithms can diagnose diseases
18. (accurate).In finance, its tools can predict market
19. (trend) and reduce risks.
目 录
英语·必修第三册
What makes DeepSeek special is 20. (it) focus on
adaptability and ethical AI. The company tries to create transparent AI
models that users can trust.Its “Adaptive Learning Framework” allows
systems to change according to new data, 21. (stay)
useful in changing situations.
目 录
英语·必修第三册
Since its start, much praise 22. (receive).Industry
leaders like its ability to turn AI theory 23. practical
uses.24. CEO from a big company said it cut their
operational costs by 30% and improved forecasting.Healthcare workers
also like how it reduces diagnostic errors.
As its CEO said, they want AI to bring progress, not just
profit.DeepSeek shows the bright future of AI 25. it’s
ready to change the way industries work.
目 录
英语·必修第三册
语篇解读:这是一篇说明文。文章主要介绍了人工智能DeepSeek的
情况。
16. was founded 主语It(指代DeepSeek)与谓语构成被动关系,发
生在过去用一般过去时的被动语态,谓语用单数形式。
17. that/which 定语从句修饰先行词platforms,在从句作主语,
指物。
18. accurately 修饰动词diagnose用副词。
19. trends 空处应用名词作宾语, trend“趋势”是可数名词,根据
后文risks可知为复数。
语篇解读:这是一篇说明文。文章主要介绍了人工智能DeepSeek的
情况。
目 录
英语·必修第三册
20. its 修饰名词focus用形容词性物主代词its。
21. staying 此处stay与上文构成主动关系,故用动词-ing形式作
状语。
22. has been received 主语praise与谓语receive构成被动关系,根据上
文Since its start可知,为现在完成时的被动语态。
23. into 短语turn ...into ...表示“把……变成”。
24. A 此处CEO为泛指,且是发音以辅音音素开头的单词,置于句
首,要大写。
25. and 结合前后文语境可知为并列关系。
目 录
英语·必修第三册
$