(共13张PPT)
SectionA(Grammar Focus 4a-4c)
Unit 6 When was it invented
n.冰箱 /frid /
adj. 低的;矮的 /l u/
pron. 某人 n. 重要人/'s mb di/
v.翻译 /tr ns'leit/
v.锁上;锁住 n.锁 /l k/, /la:k/
v. 发出铃声;打电话 /ri /
n.地震 /' :(r) θkweik/
fridge
low
somebody
translate
lock
ring
earthquake
Words and expressions
adj. 突然(的) /'s d n/
突然;猛地
n. 钟(声);铃(声) /bel/
n. 饼干 /'biskit/
n. 曲奇饼 /'kuki/
adj. 音乐的;有音乐天赋的 /'mju:zikl/
n. 器械;仪器;工具 /'instr m nt/
sudden
all of a sudden
bell
biscuit
cookie
musical
instrument
Words and expressions
Grammar Focus
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.
Read Grammar Focus then and fill in the blanks.
1. 拉链是什么时候被发明的?
______ _____ the zipper ________
它于1893年被发明。
It ______ _________ in 1893.
2. 它是由谁发明的?
______ _____ it invented ______
它是由惠特科姆 贾得森发明的。
It ____ ________ ___ Whitcomb Judson.
3. 茶叶什么时候被带到朝鲜去的?
_____ ______ tea _________ to Korea
是在六到七世纪之间被带到朝鲜。
It _____ _______ to Korea ________the 6th and 7th centuries.
was invented
When was invented
was invented by
Who was by
When was brought
was brought during
4. 热冰淇淋勺用来做什么?
What ___ the hot ice-cream scoop_____ _____
它用来挖很冷的冰淇淋。
It’s _____ ____ ______ really cold ice-cream.
5. 贝尔于1876年发明了电话机。
Alexander Graham Bell _________ the telephone in 1876.
6. 电话机在1876年被贝尔所发明。
The telephone _____ ________ _____ Alexander Graham Bell in 1876.
used for serving
is used for
invented
was invented by
1. 肯定句:
主语+ was / were+及物动词的过去分词 +其他.
如: Trees____________ last spring.去年春天种了树。
*
一般过去时被动语态的结构为:
“主语+______________________________(+by+动作的执行者).”。
Discussing
一、一般过去时被动语态
was /were +及物动词的过去分词
were planted
2. 否定句:
主语+ was/were+_____及物动词的过去分词+其他.
Women were not allowed to take part in the games at first. 开始妇女不允许参加奥运会。
not
*
_____ this picture drawn by your sister 这幅画是你妹妹画的吗?
3. 一般疑问句:
__________+主语 +及物动词的过去分词+其他
Was/Were
Was
4. 特殊疑问句:
__________+ 一般疑问句
特殊疑问词
______ _____ the zipper ________ 拉链是什么时候被发明的?
When was invented
4a
Rewrite the sentences using the passive voice.
【点拨】原句为一般过去时态,原句的谓语动词为sold,宾语为the fridge;改为被动语态时,应将the fridge作主语,谓语动词用was sold的形式。
1. They sold the fridge at a low price.
The fridge was sold at a low price.
Showing
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.
__________________________________
__________________________________
Where were these photos taken
We were advised not to go out alone.
The book was translated into different languages by different writers.
My camera was stolen from my hotelroom.
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.
was locked
rang
broke
were told
were eaten
liked
were invited
were brought
eat, like, invite, tell, lock, ring, break, bring
4b
Complete the sentences with correct forms of the verbs in the box.
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.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.
4c
learned
was invented
was said
is used