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Unit 6
When was it invented
Section A Grammar Focus-Section B 1e
Lesson Three
Task 1
When was the first car invented
It was invented in 1885.
Who was it invented by
It was invented by Karl Benz.
Look and talk
Revision
When was the first television invented
It was invented in 1927.
Who was it invented by
It was invented by J. L. Baird.
Revision
When was the zipper invented It’s 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
Presentation
语法小知识——一般过去时的被动语态
Presentation
主动语态
被动语态
Somebody cleaned the office yesterday.
主语 谓语 宾语
The office was cleaned yesterday.
主语+be+过去分词
构成：一般过去时的被动语态由“主语+was/were+及物动词的过去分词”构成。助动词 be 有人称、数和时态的变化，其变化规则与 be 作为连系动词时完全一样。
Presentation
现以动词ask为例，将一般现在时和一般过去时被动语态的肯定式、否定式及疑问式列表如下：
肯定式 否定式 疑问式
一般现在时 I am asked… He/She/ is asked… We/You/They are asked… I am not asked… He/She is not asked… We/You/They are not asked… Am I asked…
Is he/she asked…
Are we/you/they asked…
一般过去时 I was asked… He/She/ was asked… We/You/They were asked… I was not asked… He/She was not asked… We/You/They were not asked… Was I asked…
Was he/she asked…
Were we/you/they asked…
Mr. Green _____ to sing an English song at the party and he sang well.
A. was invited B. invited C. is invited D. invites
2. The waiter told me that free parking _____ for the hotel guests.
A. provides B. provided C. will be provided D. was provided
3. —What do you think of the latest TV play the Name of People
—It’s very popular. Millions of families _____ by it during that time.
A. attracted B. are attracted C. were attracted D. were attracting
Grammar exercises
Practice
4a Rewrite the sentences using the passive voice.
1. They sold the fridge at a low price.
The fridge was sold at a low price.
2. Somebody stole my camera from my hotel room.
My camera was stolen from my hotel room.
3. Where did you take these photos
Where were these photos taken
4. Our parents advised us not to go out alone.
We were advised by our parents not to go out alone.
5. Different writers translated the book into different languages.
The book was translated into different languages by different writers.
Practice
plete the sentences with the 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.
eat like invite tell lock ring break bring
were invented
were brought
was locked
rang
were told
broke
were eaten
liked
Practice
4c Decide whether active or passive forms should be used in these
sentences. Write the correct forms in the blanks.
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. Waston, come here; I want to see you .” Today the telephone________ (use) around the world.
was invented
was born
was invented
was said
is used
worked
learned
Production
Task 2
What food do you like best
potato chips
cheese
ice cream
salted eggs
Free talk
Pre-listening
watermelons
lemons
red bayberries
Pre-listening
sweet
crispy
salty
How do they taste
sour
Pre-listening
1a The words in the box describe how food can taste. Write them
under the correct pictures. Some pictures have more than one word.
________ _________ __________ __________
________ _________ __________ __________
sweet crispy salty sour
crispy
salty
sour
sweet
salty
Pre-listening
1b Write the name of a different food after each word.
sweet
crispy
salty
sour
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
banana
biscuit, potato chips, fried chicken
salted eggs, cheese
grape, lemon, vinegar
Pre-listening
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3. The customer thought the potatoes were not thin enough . T F
4. The customer said they were not salty enough. T F
5. George wanted to make the customer happy. T F
6. The customer was happy in the end . T F
1c Listen and circle T for true or F for false.
While-listening
1d Listen again. Complete the sentences.
The History of Potato Chips
Do you know how potato chips were invented Potato chips_____________
by a cook called George Crum. They were invented in . George Crum
cut the potatoes really, really and then cooked them for a long time
until they were ______. Finally he put lots of salt on them so they were
___________.
were invented
1853
thin
crispy
really salty
While-listening
1e Make a conversation about the invention of potato chips. Use
the information in 1c and 1d.
Did you know potato chips were invented by mistake
Wow, I didn’t know that. Who invented them
Post-listening
It’s said that they were invented by a cook called George Crum.
…
Post-listening
Summary
Key words and phrases:
fridge, low, somebody, translate, lock, ring, earthquake, sudden, bell, biscuit, cookie, musical, instrument, sour, customer, all of a sudden, by mistake
Key sentences:
When was the zipper invented
It’s 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.
Did you know potato chips were invented by mistake
Write a short passage about “The History of
Potato Chips” using the information in 1c and 1d.
Homework
Goodbye!

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