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沪教牛津版八年级下册
Grammar
Key question
Unit 8
Imagine that!
主题范畴：人与自然
人与社会
How much do you know about the unknown world
Enjoy a Song
Because You Live (因为你存在)
Staring out at the rain with a heavy heart
心情沉重凝视窗外的雨
It’s the end of the world in my mind
如同世界末日降临心际
Then your voice calls me back like a wake up call
你的声音把我叫醒如同晨钟响起
I’ve been looking for the answer 答案我一直在寻觅
Somewhere 某处
I couldn’t see that it was right there 我所不能见的存在
But now I know what I really know 但如今终于清晰
________ ______ _______and breathe 由于你存在与呼吸
________ ______ make me believe _____ _______ when nobody else can help 由于你让我无助时相信了自己
________ _____ _______, girl 由于你存在 宝贝
My world has twice as many stars in the sky
我的世界有如繁星闪烁于星空
It’s alright I survived I’m alive again 正是如此,我重获生机
________ ____ ____, made it through every storm
因为你 让我闯过狂风暴雨
What is life, what’s the use if your killed inside
如果心中的你幻灭 生活将会怎样 活着又有何用
Because you live
Because you
in myself
Because you live
Because of you
Adverbial clauses of reason tell us why things happen.
原因状语从句告诉我们事情发生的原因。
Adverbial clauses of reason
Read the summary of the story on page 117. Pay attention to the words in bold. Then answer the questions.
Read the summary of the story on page 117. Then answer the questions.
1. Why was there a loud noise last night
2. Why couldn’t the spaceship fly
The spaceship couldn’t fly because of the damage.
There was a loud noise because a spaceship crashed in the forest.
Because a spaceship crashed in the forest, there was a loud noise.
Because of the damage, the spaceship couldn’t fly.
When do we use because / as / since
When do we use because of
When do we use a comma(,)
We usually use _________, _______ and _______ to introduce adverbial clauses of reason.
We can put the adverbial clause of reason either before or after the main clause.
because
since
as
As / Because / Since no one else saw these aliens, I refuse to believe you.
I refuse to believe you as / because / since no one else saw these aliens.
When we put the adverbial clause of reason at the beginning of the sentence,we often separate it from the main clause with a comma (,).
We can also use because of to give the reason for something. We can use a noun, a noun phrase or an object pronoun after because of.
Look!
As / Because / Since no one else saw these aliens I refuse to believe you.
Tip: 如果将because/as/since放在句首，则它们引导的原因状语 从句后应加逗号。
,
Are because, since and as used in the same way
What is the difference between because, since and as when expressing reasons
—Why did Columbus sail west
—Because he wanted to find a new trading route to Asia.
When we use because, we put emphasis on the reason. It is often used to answer the why question.
We often use as and since to lay more emphasis on the result than the reason.
I hope they’ve decided to come as / since I wanted to hear about their Antarctica trip.
What are the differences among because/since/as
Firstly, 语气由强 弱
because → since → as
因为 既然 鉴于
Secondly, 用法差别
Why didn’t you hang out with us last weekend
I was ill.
直接原因
不说不知道的原因
why的好友
Because
1. ______ this method doesn’t work, let’s try another.
A. Since B. Although C. But
2. ______ we are all here, let’s begin our meeting．
A. Because B．Since C．For
3. Patrick moved to Singapore ______ he got a good job there．
A．since B．because of C．as
4. --Did you call Sara back
--I didn’t need to, ______ we’ll have a meeting together tonight.
A. though B. unless C. because D. if
1.They went to the playground because they want to dance happily.
They went to the playground because of the happy dance.
2.Tina woke up at midnight because she heard a loud noise.
Tina woke up at midnight because of a loud noise.
3.I decide to have an ice cream because I love it.
I decide to have an ice cream because of love.
We can use a sentence after because.
because 后面接从句
object pronoun
me you
her him
us them
it
noun
noun phrase
sentence
We can use a noun, a noun phrase or a object pronoun after because of.
because of后面接名词, 名词短语, 或代词宾格
because V.S. because of
1. He made a lot of mistakes in the exam _____ his carelessness. A. because B. as C. because of
2. --About 379 people died _____ the earthquake in Ludian，
Yunnan Province．
--What bad news!
A. since B. because of C. because
3. He didn’t go to work _____ the heavy rain.
A. because B. because of C. so D. since
4. I didn’t go to the party not _____ the weather but _____ I didn’t feel well.
A. because of; because B. because because of
C. because; because D. because of; because
because V.S. because of
Let’s do the exercise in the text!
The police officer asked Tom some more questions about the aliens. Match the questions with the answers. Then use them to complete the police officer’s notes with as, since or because.
Complete the police officer’s notes with as, since or because.
Police officer’s notes
(1) (because of) ____________________________________
_________________________________________________
(2) (because)______________________________________
_________________________________________________
(3) (as)___________________________________________
_________________________________________________
(4) (Since)________________________________________
_________________________________________________
Tina was sure that something landed in the forest near the hills because of a loud noise last night.
Tina and Tom hid behind some bushes because they heard some voices speaking a strange language.
Tina and Tom ran away as an alien saw them and made a terrible noise.
Since no one else saw these aliens, Tina and Tom’s father refused to believe them.
P141
(1) We explore the ocean _____________________________
(2) Living on Mars is a possibility in the future ___________
_________________________________________________.
(3) Jules Verne's novels have been adapted for films many times
_________________________________________________.
because we don’t know enough about it
because of the fast-developing technology
because they are well written and exciting
(4) I enjoyed watching Journey to the Centre of the Earth
_________________________________________________.
(5) _______________________________________________
humans have always wanted to explore it.
(6)_______________________________________________.
astronauts have to be fit and strong.
(7) We don't know if aliens exist _________________________________________________.
(8) I am excited about going to space ___________________
_________________________________________________.
because of its amazing special effects
Because/As/Since Mars is the closest planet to the Earth
Because/As/Since space travel is often dangerous
because so much of the universe is unexplored
because /as/since
there will be lots of amazing things out there
Do you think aliens exist Why or why not Read the news headlines and discuss the questions in pairs.
More practice
Complete the answers with because of and the words from the box.
A: Why are you late
B: I’m late ______________________________
2. A: Why didn’t Sue come to school today
B: She didn’t come to school today ________________________
3. A: Why was there no electricity this morning
B: There was no electricity this morning _____________________________
because of the heavy traffic.
because of her illness.
because of last night’s storm.
a car accident her illness its high price
his broken leg last night’s storm the heavy traffic
4. A: Why is there a heavy traffic jam
B: There is a heavy traffic jam
___________________________
5. A: Why don’t you buy the vase
B: I don’t buy the vase
___________________________
6. A: Why can’t he walk
B: He can’t walk
___________________________
because of a car accident.
because of his broken leg.
because of its high price.
根据所给的中文补全句子。
Li Ming didn’t go out for a walk
because of _________________. (天下大雨)
2. Li Ming didn’t go out for a walk
because _________________. (天下大雨)
3.Li Ming won’t go to the meeting
because _________________. (他生病了)
4.Li Ming won’t go to the meeting
because of _________________. (他生病了)
the heavy rain
it rained heavily
he is ill
his illness
选用 because, since, as 或 because of 填空,完成下列句子。
1. Jason improved his English ___________ his hard work
2. Mary can’t go shopping with us __________ she is ill.
3. __________ that is the last bus, we had better get on it.
4. __________ you are busy now, I will talk about the plan with you later.
5. _________ she is too young, she may not know the answer to the question.
6. I finished the work on time ____________ Mr Wang’s help.
7. Robert was punished ____________ being late for school again.
8. I feel so tired now __________ I stayed up late last night.
9. __________ you are in poor health, you should go to bed early.
10. She couldn’t go to work on time __________ her car was broken.
because of
because
As
Since
As
because of
because of
because
Since
because
语气：because > since > as
用法：why + because
since/as 意思相近，但是since块头大，语气强，较正式。
because+句子
because of +名词、名词短语、宾语代词
I love you not because you are beautiful but because of your kind heart.
Summary
In this class, we have learned because, since, as and because of .
Self-assessment
How well do you know about this lesson Tick the boxes.
① I can use because, since, as correctly. 口 口 口
② I can use because of correctly.
口 口 口
③ I know the difference between because and because of .
口 口 口
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