Unit 6 When was it invented? 课时3 Sestion A Grammar Focus-4c课件—2025年人教新目标英语九年级

(共25张PPT)
2. Whose birthday is it
Unit 6 When was it invented
Section A Grammar Focus -4c
新目标 英语（九年级）
2. Whose birthday is it
语言
能力
学习
能力
思维
品质
文化
意识
1
2
3
4
学习目标
学习本课新词汇:fridge, low, somebody, translate, lock, ring, earthquake,
sudden, bell, biscuit, cookie, musical, instrument, at a low price, advise sb. to do, translate... into..., all of a sudden
通过一般过去时主动语态与被动语态的对比，能总结出转换规律和结构, 并建立相关知识之间的联系。
1.培养想象力，发挥想象力，鼓励学生观察事物。
2.面对难题，用积极的态度去解决，认识世界，改造世界。
归纳一般过去时被动语态的结构和用法。能够把主动语态的句子变成被动语态，同时把被动语态的句子变成主动语态。
The four great inventions of ancient China
papermaking
technology
printing
gunpowder
compass
Old inventions
The new four great inventions of China
online
shopping
high-speed
railways
mobile
payment
shared
bikes
New inventions
When was the zipper invented It was invented in 1893.
Who was it invented by It was invented by Whitcomb Judson.
When was tea brought to Korea It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for It’s used for serving really cold
ice-cream.
Active Voice: Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876. Grammar Focus
Focus on the two sentences.
When was the zipper invented It was invented in 1893.
Who was it invented by It was invented by Whitcomb Judson.
When was tea brought to Korea It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for It’s used for serving really cold
ice-cream.
Active Voice: Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.
一般过去时态下的被动语态
Find out the passive voice.
用 法 示 例
表示过去某一具体时间发生的动作，且句子的主语是谓语动词动作的承受者
The house was built in 1990.
这所房子建于1990年。
讲述发生在过去的动作，且不知道动作的执行者
He was honored with the name
“ Father of Hybrid Rice”.
他被授予“杂交水稻之父”的称号。
一般过去时被动语态
基本用法
Tom
cleaned
yesterday
the rooms
Active voice
Passive voice
by Tom
was cleaned
The rooms
Tom
cleaned
yesterday
the rooms
by Tom
were cleaned
The rooms
yesterday
1.主动语态变被动语态
原宾语变被动的主语，
谓语动词由过去式变be+谓语动词的过去分词，加之by引导
These cakes are made by my mother.
These cakes ______made by my mother last night.
were
一般现在时的被动语态
一般过去时的被动语态的构成为：
_______________+及物动词的_____________。
was/were
过去分词
The classroom is cleaned (by us).
The classroom ____cleaned (by us) yesterday.
was
由be动词的时态决定
2.一般过去时被动语态的构成
These cakes ______made by my mother last night.
were
肯定句
①肯定句: 主语+ _____________+ 及物动词的____________+其他
was/were
过去分词
3.一般过去时被动语态的句式
The classroom _____ cleaned (by us) yesterday.
was
主语
过去分词
be过去式
These cakes were not made by my mother last night.
否定句
The classroom was not cleaned (by us) yesterday.
be过去式的否定
②否定句: 主语+ _____________+______ 及物动词的____________+其他
was/were
过去分词
not
3.一般过去时被动语态的句式
_____ your homework finished in time yesterday evening
Was
一般
疑问句
_____the textbooks written in 2020
Were
be过去式
③一般疑问句: _____________+主语+及物动词的____________+其他
Was/Were
过去分词
3.一般过去时被动语态的句式
When was the picture taken
特殊
疑问句
④特殊疑问句: __________________ + 一般疑问句式
特殊疑问词
Where were those buses made
特殊疑问词
3.一般过去时被动语态的句式
肯定句 主语+was/were+及物动词的过去分词（ + by…）
否定句 主语+was/were + not+及物动词的过去分词（+ by…)
疑问句 Was/Were+主语+及物动词的过去分词（+by …)
特殊疑问词+was/were+主语+及物动词的过去分词（ +by...)
一般过去时被动语态的句式
My father fixed up the house.
The house was fixed up by my father.
The house was fixed by my father.
动词短语在变被动语态的时候，不能去掉构成短语动词的介词或副词；要当作一个整体
含有短语的主动语态变被动语态
短语动词
Tom gave me a book yesterday.
I was given a book by Tom.
A book was given to me by Tom.
当指“人”的间接宾语变为主语，指“物”的直接宾语保留不变；如果把指“物”的直接宾语变为主语，则在间接语前加to或for
直接宾语做主语
间接宾语做主语
口诀：如遇双宾语，一般变间宾，若把直宾变，to /for 间宾连。
含有双宾语的主动语态变被动语态
I saw a heavy man enter the house.
主动句中感官动词see / hear / watch / feel等和使役动词make / let / have等后跟省略to的动词不定式，变为被动语态时应加上不定式标志to。
口诀：
感使动词真叫怪，to来to去记心怀，主动语态to离去，被动语态to回来。
A heavy man was seen to enter the house.
感官动词和使役动词的被动语态
不用被动语态的情况
②某些短语动词(take place, run out, come true, fall asleep…)没有被动语态。
This blouse belongs to Mary.
Great changes have taken place here.
③有些动词主动表被动。如(sell, wash, write,read,cost)等，主语是物。
1. This kind of cloth washes easily.
2. This book reads well.
3.The book cost Laura twenty dollars.
①系动词 (get/turn/become/seem/look/sound/smell/taste/feel+adj.)
没有被动语态。
1. These oranges taste nice.
2. This shirt feels much softer than that one.
特例
4a
Rewrite the sentences using the passive voice.
1. They sold the fridge at a low price.
_________________________________________________________
2. Somebody stole my camera from my hotel room.
_________________________________________________________
3. Where did you take these photos
_________________________________________________________
4. Our parents advised us not to go out alone.
________________________________________________________
5. Different writers translated the book into different languages.
_________________________________________________________
n. 冰箱
adj. 低的;矮的
pron.
某人
v. 翻译
The fridge was sold (by them) at a low price .
My camera was stolen (by somebody)from my hotel room .
Where were these photos taken (by you)
We were advised by our parents not to go out alone.
The book was translated into different languages by different writers.
eat, like, invite, tell, lock, ring, break, bring
4b
Complete the sentences with correct forms of the verbs in the box.
1. You ____________ to the party last night, weren’t you Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers ____________ to a safe place.
3. The door __________ when we arrived, so we ______ the bell.
4. The students ___________ not to eat or drink in class, but Ruby ______ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really _____ them.
v. 锁上 n. 锁
突然;猛地
v. (使)发出钟声或铃声；打电话
n. 钟声;铃声
n. 饼干
n. 曲奇饼
were invited
were brought
was locked
rang
broke
were told
were eaten
liked
Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.
4c
The telephone ___________ (invent) by Alexander Graham Bell. He ________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone ___________ (invent) in 1876. The first sentence that _______ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ______ (use) around the world.
adj. 音乐的;有音乐天赋的
n. 仪器;工具
was invented
was born
worked
learned
was invented
was said
is used
1.The new school library ____________(not build) last Septe mber.
2.All the problems ____________(solve) by the famous engineer two days ago.
3.I __________(tell) to wait at the gate at 8 o'clock.But he didn't turn up at that time.
4.I __________(buy) the watch two months ago and it ___________(steal) just now.
5.She ___________(lose) her handbag on the bus.Luckily， it ___________(find) in the end.
wasn't built
were solved
was told
bought
was stolen
lost
was found
一、用括号内单词的适当形式填空
1. They planted the trees ten years ago.
The trees __________ __________ ten years ago.
2. The two boys ate the biscuits just now.
The biscuits __________ __________ by the two boys just now.
3. Mo Yan wrote the book three years ago.
The book __________ __________ ___________ Mo Yan three years ago.
4. When did they bring the pieces of clay to Western countries
When ___________ the pieces of clay ___________ to the Western countries
5. The terrible storm broke the windows of the houses in this area last night.
The windows of the houses in this area __________ __________ by the terrible storm last night.
were planted
were eaten
was written by
were brought
were broken
二、将下列各句改为被动语态
2. Whose birthday is it
Homework
1．Read the passage in 4c and retell the story in your
own words.
2．Look for an invention that you are interested in and
read books about it. Then share it with the class.
2. Whose birthday is it
Thanks
for watching!