人教版(2019)选择性必修第四册 Unit2 Iconic Attractions 单元语法详解课件(17张PPT)

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名称 人教版(2019)选择性必修第四册 Unit2 Iconic Attractions 单元语法详解课件(17张PPT)
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科目 英语
更新时间 2023-03-14 14:58:02

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(共17张PPT)
Unit 2 Iconic attractions
单元语法详解
人教版新教材选择性必修四
本单元重要语法
过去分词作状语
◆原句再现
a. Located to the south of the equator, below many other countries on
the globe, it’s often informally referred to as “down under”.(教材 P14)
b. Cuba is just south of America, separated from it only by the Straits
of Florida. (教材 P17)
c. Introduced by the first European settlers to Australia, the Sunday
Roast is now considered typical Australian food. (教材 P17)
d. Exposed to the freezing weather, many brave tourists and scientists
still choose to visit Antarctica. (教材 P17)
e. Inspired by Chinese culture, many capital cities now have
Chinatowns which are in themselves popular tourist attractions. (教材
P17)
◆ 过去分词作状语应具备的条件
●过去分词的逻辑主语与和主句主语应保持一致
● 过去分词一般表被动或完成
请观察以下句子
a. Asked her future plan, the girl said that she wanted to be a teacher.
句中 asked的逻辑主语就是后面句子中的 the girl. 即两者
主语一致,且“ asked”这个动作对 the girl来说是被动的.
b. Frightened by the tiger,the boy didn't dare to sleep alone.
句中 frightened 的逻辑主语就是后面句子中的 the boy. 即
两者主语一致,且“ frightened ”这个动作对于the boy 来
说是被动的
c. Grown in rich soil, these seeds can grow fast.
句中 grown 的逻辑主语就是后面句子中的 these plants. 即
两者主语一致,且“ grown”这个动作对于 these plants 来
说是被动的.
◆过去分词作状语分类
●时间状语
●原因状语
●条件状语
●让步状语
●方式或伴随状语
● 原因状语,请观察以下句子
a. Deeply moved by his words, she began to cry.
b. Worried about her baby, she hurried home quickly.
c. Done in a hurry, his homework was full of mistakes.
●时间状语, 请观察以下句子
a. Heated, water can be changed into steam.
b. Asked about his family, he made no answer.
c. Asked why she was late,she went red in the face.
●方式或伴随状语, 请观察以下句子
a. Just then a white-haired woman entered, supported by a girl.
b. She entered, accompanied by her mother.
c. Judith lay on the settee, absorbed in her book.
d. She was lying curled up on her bed.
e. She stared at me, astonished.
●让步状语,请观察以下句子
a. Wounded, the brave soldier continued to fight.
b. Invited, I won't take part in the party.
c. Dismissed by the company, he didn’t lose heart.
d. Reminded not to drive after drinking, some drivers are still trying their luck.
●条件状语 ,请观察以下句子
a. Given more time, I could finish the work.
b. The new technology, if applied to rice growing, will help increase the grain output.
◆过去分词作状语相当于状语从句,方式或伴随状语可换成 and 连接的并列谓语, 请观察以下句子
a. Seriously injured, he had to be taken to the hospital. (原因)
=Because he was seriously injured, he had to be taken to the hospital.
b. Seen from the hill, the town looks more beautiful. (时间)
=When the town is seen from the hill, it looks more beautiful.
c. The old man walked into the room, supported by his son.(方式)
= The old man walked into the room and was supported by his son.
d. The boy entered the classroom, followed by a dog.(伴随)
= The boy entered the classroom and was followed by a dog.
贴心提示:过去分词作伴随或方式状语时可以变成 and 连接的并列谓语动词,所以这里的 and 为并列连词,而非从属连词
e. Laughed at by many people, he continued his study. (让步) =Although he was laughed at by many people, he continued his study.
f. Given another 10 days, we are sure to complete repairing the machine.(条件)
=If we are given another 10 days, we are sure to complete repairing the machine.
◆过去分词作状语,前边可加 when, while, unless, once, as if/though, if, though, although等连词, 构成“连词+过去分词”形式, 但是,连词 because 一般没有这种用法, 请观察以下句子
a. When asked about her age, she kept silent.
b. If seen in another aspect, the matter isn’t so simple as it looks.
3. Even if invited, I will not take part in the party to be held during the epidemic.
c. Though surprised to see us, the host gave us a warm welcome.
d. Once published, his novel was popular with youngest.
e. Though wounded, the brave soldier continued to fight.
f. If heated to a high temperature, it will change into vapor.
g. Time, if used correctly, is money in the bank.
a. Seen from the top of the tower, our city looks very beautiful.
比较:Seeing from the top of the tower, we can get a wonderful view
of our city.
b. Followed by the old man, we went upstairs.
比较: Following the old man, we went upstairs.
c. Seen from the top, the stadium looks like a bird nest.
比较:Seeing from the space, astronauts can not discover the Great
Wall.
◆过去分词 - ed 与 现在分词- ing 作状语的区别:- ed 作状语,与句子主语是被动关系;- ing 作状语,与句子主语是主动关系,请观察以下句子
※ 让我轻轻告诉您:有些过去分词或过去分词短语已不再强调被
动的动作, 而是已经形容词化, 完全相当于一个形容词了, 这样的
过去分词常见有:excited; interested; puzzled; shocked; astonished;
moved; surprised; amazed; amused; disappointed; tired; lost; seated;
absorbed; dressed; devoted; determined; located, …请观察以下句子
a. Surprised at the bad news, he sat there sadly.
b. Lost in thought, he didn’t hear the bell.
c. Devoted to helping the poor children in the villages these years, he himself was in poor health.
d. Interested in the movie, he has been to the cinema three years.
e. Seated on the chair, the old man paid attention to the newspaper.
f. Dressed in colorful clothes, the girl went into the classroom.
◆过去分词的否定形式:not done, 请观察以下句子
a. Not given more time, they didn’t finish the project on time.
b. Not invited to the party, the old man felt very sad.
c. Not praised, these players were all disappointed.
d. Not taught English, these boys could not understand what
these foreigners said.
e. Not admitted to that key university, the girl felt shocked.
f. Not watered in time, these plants will fade soon
◆考点训练
●用所给词的适当形式填空
1. _________ (trap) by strong winds and deep snow, Andy did nothing but wait.
2. If ________ (give) more care and attention, the boy would not have gone that far on the wrong path, I'm sure.
3. ___________ (find) very difficult, the course was decided to move to a lower level.
4. Time, __________ (use) correctly, is money in the bank.
5. _________(settle) in a friendly way, their fierce quarrel finally came to an end.
Trapped
given
Found
used
Settled
●真题欣赏
1. (天津卷) __________(absorb) in painting, John didn’t notice evening approaching.
2. (重庆卷) ________(order) over a week ago, the books are expected to arrive any time now.
3. (陕西卷) ________ (lose) in the mountains for three days, the two men were saved by the police at last.
4. (江苏卷) Much time _____________(spend) sitting at a desk, office workers are generally troubled by health problems.
5. (北京卷) If ___________(accept) for the job, you’ll be informed soon.
6. (湖南卷) Children, when ____________________ (accompany) by their parents, are allowed to enter the stadium.
Absorbed
Ordered
Lost
spent
accepted
accompanied
That’s all!
Thank you!