(共40张PPT)
Unit 7 The unknown world Grammar
牛津深圳版（广州·沈阳通用）
八年级下
Lead in
Enjoy a Song
Because You Live(因为你存在)
Warm up
Staring out at the rain with a heavy heart
It's the end of the world in my mind
Then your voice calls me back like a wake up call
I've been looking for the answer
Somewhere
I couldn't see that it was right there
But now I know what I really know
________ _____ _____and breathe
________ ____ make me believe ___ ______when nobody else can help
________ _____ _____, girl
My world has twice as many stars in the sky
It’s alright I survived I'm alive again
________ ____ ____, made it through every storm
What is life what's the use if your killed inside
I'm so glad I found an angel
Warm up
Because you live
Because you
in myself
Because you live
Because of you
注意：because 与 because of 的区别？
Discuss
1. Because you make me believe in myself.
2. Because of you, I made it through every storm.
While - Learning
A Adverbial clauses of reason
状语从句
Grammar
Grammar
Adverbial clauses of reason tell us why things happen. We usually use because, as and since to start adverbial clauses of reason.
Adverbial clause of reason 从句 Main clause
主句
Because no one else saw these aliens, I refuse to believe you.
As Since We can also put the adverbial clause of reason after the main clause.
Main clause 主句 Adverbial clause of reason 从句 I refuse to believe you because no one else saw these aliens.
as since Grammar
Because no one else saw these aliens, I refuse to believe you.
As I like cycling, I am going to North Country Park.
原因状语从句放在句首时，与主句要用逗号隔开。
Rules
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.
Practice
Since no one else saw these aliens, our father refused to believe us.
Because an alien saw us and made a terrible noise, we ran away.
Tina and I hid behind some bushes as we heard some voices speaking a strange language.
Practice
1. You are wrong. 2. You should say sorry.
Since you are wrong, you should say sorry.
1. I left a message. 2. You were not there.
As you were not there, I left a message.
1. The accident happened. 2. He was careless.
The accident happened because he was careless.
Practice
Aiko: Why do you like Martin
Momo: ______ he is so clever.
Aiko: Really ! Since you think so, I have nothing to say.
Hi, I am Martin!
Because
拓 展
在句中表示原因、理由的从句叫原因状语从句。
1 引导原因状语从句的从属连词主要有because, since, as。
2 表示语气的强弱顺序是：because﹥since﹥as。
3 这些连词都不能和so连用。
4 当原因状语从句放于句首时，通常要用逗号与主句隔开。
拓 展
I like him because he is so clever.
Since you are going, I will go, too.
As it is raining, you’d better take a taxi.
1. ________ this method doesn’t work, let’s try another.
A. Since B. Although C. But D. though
2. we are all here, let’s begin our meeting．
A. Because B. Since C. For D. unless
3. Patrick moved to Singapore he got a good job there．
A. but B. because of C. as D. for
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
A
B
C
C
Practice
Summary
B Because of
We can also use because of to give the reason for something.
Grammar
Rules
They went to the forest because of their curiosity.
Tina woke up at midnight because of a loud noise.
She decided to explore the forest because of it.
We can use a noun, a noun phrase or a (subject pronoun/ object pronoun) after because of.
Work out the rule
Write sentences about the story on page 99 by using because of.
1. Tina was surprised/the yellow light in the sky
Tina was surprised because of the yellow light in the sky.
2. The aliens landed on this planet/an accident
The aliens landed on this planet because of an accident.
3. The children ran away from the forest/the aliens
The children ran away from the forest because of the aliens.
4. Their dad was not sure about the children’s story/the writing on the piece of paper
Their dad was not sure about the children’s story because of the writing on the piece of paper.
Practice
Because of you
Because I Love You
拓 展
because of (因为;由于): 介词短语，其后一般跟名词、代词、动名词或名词短语。
她没来上课 因为她生病了。
She doesn’t go to school because of her illness.
Because of her illness, she doesn’t go to school.
拓 展
because (因为;由于): 连词，其后接句子。
她没来上课 因为她生病了。
She doesn’t go to school
because she is ill.
Because she is ill，
she doesn’t go to school
原因状语从句
拓 展
They didn’t go to the park __________ the snow.
They didn’t go to the park __________ it snowed.
3. ___________ my poor marks in the exam, my parents were angry.
4. _________ I got poor marks in the exam, my parents were angry.
Because of
because of
Because
because
Practice
句型转换。
1 The students didn’t need to go to school because there was a storm.
The students didn’t need to go to school ____________the storm.
2 He was ill, so he didn’t go to school.
___________ he was ill, he didn’t go to school.
3 He couldn’t walk because of his broken leg.
He couldn’t walk _________his leg was broken.
4 I came back because it was raining heavily.
I came back , _______ it was raining heavily.
because of
Because
because
for
Practice
because V.S. because of
because 和because of 的意思都是“因为”，其区别为：
1. because 后面接从句；
2. because of后面接名词或名词短语。
They didn’t go to the museum because it rained. ( it rained是句子)
They didn’t go to the museum because of the rain. (rain是名词) 因为下雨，他们没去博物馆。
Summary
Summary
because从句可与for互换，但for是并列连词，连接的是并列句，并且在for前必须有逗号隔开。
We must start early because it will take us 3 hours to drive there.
= We must start early, for it will take us 3 hours to drive there.
我们要早点出发，因为开车去那儿要3个小时。
because V.S. for
Post-Learning
一、按要求完成句子。
巩固练习
1. Mr Brown doesn’t have many friends here. He is a newcomer. (用because合并句子)
______________________________________________________________________________________________
2. Jim couldn’t walk because his leg was broken. (用because of 改写句子)
_______________________________________________
Mr Brown doesn’t have many friends here because he is a newcomer.
Jim couldn’t walk because of his broken leg.
3. It’s getting dark. Let’s go home now. (用as合并句子)
__________________________________________________4. Jack had to have breakfast quickly. He got up late. (用because合并句子)
____________________________________________________________________________________________________
5. This is the last bus. We had better get on it. (用since合并句子)
__________________________________________________
As it’s getting dark, let’s go home now.
Since this is the last bus, we had better get on it.
Jack had to have breakfast quickly because he got up late.
巩固练习
二、选择合适的词填空。
1. Merry had a stomachache _________ (because/so) she ate something bad.
2. I didn’t go to Mary’s party _________ (as/so) I was tired.
巩固练习
because
as
巩固练习
3. _________ (Although/Since) everyone is here, let’s start the meeting.
4. Glen and Henry didn't arrive there on time __________ (because/because of) the heavy snow.
5. I have to speak English with them, _________ (as/when) the guys I live with don’t know any Chinese.
Since
because of
as
二、单项选择
巩固练习
( )1. She won’t go to the cinema ______ she has already seen the film.
A. until B. if C. so D. because
( )2. ______ you’re tired, you’d better stay at home and have a rest.
A. Since B. Or C. Though D. Till
D
A
( )3. — Why didn’t you go to the party
— ______ I wasn’t invited.
A. As B. Since C. Because D. So
( )4.— Did you call Jack back
— I didn’t need to ______ I’ll see him tomorrow.
A. though B. because C. unless D. when
巩固练习
C
B
( )5. ______ we have no money, we can’t buy it.
A. Until B. Unless C. As D. Although
( )6. ______ it was raining, _______ they stayed at home.
A. Because; so B. Because; /
C. Since; so D. As; so
巩固练习
C
B
( )7. They were late for the meeting ______ the heavy rain.
A. because of B. because C. since D. as
( )8. You have to take the second bus ______ the first one is full.
A. but B. so C. because D. although
巩固练习
A
C
( )9. It rained last night, _______ the ground is wet.
A. or B. for C. but D. though
( )10. The baby is sleeping, _______ you’d better keep quiet.
A. but B. or C. because D. so
巩固练习
C
D
复习Grammar笔记，背写序数词。
完成导学卷的《课后练习》。
Homework
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Unit 7 The unknown world Period 3教学设计
课题 Period 3 Grammar 单元 Unit 5 学科 英语 年级 八年级下
教材分析 Grammar 板块介绍了由because, as或since引导的原因状语从句和用短语because of陈述原因。
学习目标与核心素养 语言知识 连词as，since和because的含义和用法。2. 用because of陈述理由。
语言技能 能够在具体的情境中正确使用原因专业从句或because of陈述原因。
学习策略 主动探究，善于发现语言的规律并能运用规律举一反三。
重点 掌握because和because of的区别。
难点 在实际运用中正确使用原因状语从句。
教学过程
教学环节 教师活动 学生活动 设计意图
导入新课 Warm upListen to a music and pay attention to the lyrics. Students listen to the music, pay attention to the lyrics, and fill in the blanks. To arouse the interest and lead them to get into the grammar
新课讲授 Learning1. Show Ss some examples. and ask them to analyze the structure.2. Explain the usage of the adverbial clauses of reason, the forms of the adverbial clauses and make more sentences according to the sentences given in the text.3. Present the task, and limit the time for students to finish the exercise.4. Read some sentences and work out the differences between because and because of.5. Present the task, and limit the time for students to finish the exercise. Read and learn. Find out the rules individually. Take notes and finish the tasks.Explain the rules about the usage of the adverbial clauses of reason, the forms of the adverbial clauses. Follow the example which are given to make sentences.Finish the exercise individually. Check the answers with each other and then discuss the mistakes. See the pictures and make up sentences with because and because of. Pay attention to the differences. Try to analyze the structure. And make a conclusion.Finish the exercise individually. Check the answers with each other and then discuss the mistakes. Using a game to help the students use the grammar as well as cultivate their spirit of team-work.To let students take part in the class actively and have a better understanding of how to use different tenses To consolidate what they have learned in this class.Have the students to consolidate the forms of the adverbial clauses.
课堂小结 Give more exercises to consolidate the forms and usage of the passive voice. Go over the different tense of the passive voice . To make students have a good habit of taking notes and have a general understanding of this class
板书 Unit 7 Grammar原因状语从句在句中表示原因、理由的从句叫原因状语从句。1 引导原因状语从句的从属连词主要有because, since, as。2 表示语气的强弱顺序是：because﹥since﹥as。 3 这些连词都不能和so连用。4 当原因状语从句放于句首时，通常要用逗号与主句隔开。引导词because 1. because强调明确直接的因果关系，回答“why”问题。She didn’t come to school because she was ill. 她没来上学是因为病了。--- Why was he angry 他为什么生气？--- Because I was late. 因为我迟到了。2. because从句可与for互换，但for是并列连词，连接的是并列句，并且在for前必须有逗号隔开。We must start early because it will take us 3 hours to drive there. = We must start early, for it will take us 3 hours to drive there. 我们要早点出发，因为开车去那儿要3个小时。引导词since1 since表示明摆着的理由或原因，常译为“既然”。Since you have finished your homework, you can take a rest. 既然你已完成了作业，那就休息一下吧。2 since还可引导时间状语从句，表示“自从……以来”。We’ve known each other since we were children. 我们从孩提时代起就相识了。引导词as1. as语气最弱，表示附带说明的原因。As you’re busy, you needn’t go to see him today. 你很忙，就没必要今天去看他了。2. as还可引导时间状语从句，表示“当……的时候”、“随着……”。He dropped the glass as he stood up. 他站起来时，把杯子摔了。We get wiser as we get old. 随着年龄的增长，我们也变得聪明些了。because与 because of的区别because和because of的意思都是“因为；由于”。 但because 是连词，其后接句子。because of 是复合介词，其后接名词、代词、动名词、what 从句等。She doesn’t go to school because she is ill. = She doesn’t go to school because of her illness. 她没来上学因为她生病了。
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Unit 7 The unknown world Period 3导学案
学生姓名 班级 序号
课题内容 Grammar
教材分析 Grammar 板块介绍了由because, as或since引导的原因状语从句和用短语because of陈述原因。
学习目标 与 核心素养 语言知识 连词as，since和because的含义和用法。 2. 用because of陈述理由。
语言技能 能够在具体的情境中正确使用原因专业从句或because of陈述原因。
学习策略 主动探究，善于发现语言的规律并能运用规律举一反三。
学习重点 掌握because和because of的区别。
学习难点 在实际运用中正确使用原因状语从句。
温故知新
语法选择
In April 2015, I was in the sixth grade at William Cleveland Elementary School, in Houston. I __1__ by a nice teacher, Miss Ada Pemberton, and I learnt a lot from her.
It was spelling bee time in our city. She was handing out words for __2__ to study and help us get ready for the classroom spelldowns(拼字比赛)．
The night before the classroom spelling bee, our house caught a fire __3__ my youngest brother played with matches. We spent several hours __4__ out the fire. Then my mother made beds again for all of us. __5__, the fire did not cause serious damage. The next morning, Mom phoned Miss Pemberton to tell her about the fire.
When I arrived __6__ school, Miss Pemberton called me aside. She asked if I wanted __7__ up the spelling bee because of my poor sleep the night before. I told her no. That day, I won the bee for my classroom. The next week was the school spelling bee. I competed(竞争) with __8__ classroom winners. I won again! The citywide spelling bee was one month away.
Every Sunday afternoon, Miss Pemberton __9__ to pick me up, and we went to her house. She helped me practice by calling out __10__ words. After about two hours, Miss Pemberton took me to __11__ ice cream store. We __12__ enjoy a hot chocolate sundae(圣代). It is a kind of food which tastes __13__ than other ice creams when it becomes cold. We practiced every day until the citywide spelling bee came with all the school champions from the Houston Independent School District.
I did not win the citywide bee, __14__ I still felt it was worth joining in it. I __15__ felt thankful that I had such a caring teacher in elementary school.
( )1. A. teach B. taught C. am taught D. was taught
( )2. A. we B. us C. our D. ours
( )3. A. unless B. so C. although D. because
( )4. A. put B. putting C. to put D. to putting
( )5. A. Luck B. Lucky C. Luckily D. Luckier
( )6. A. in B. at C. on D. from
( )7. A. give B. to give C. gave D. giving
( )8. A. some B. any C. little D. few
( )9. A. drives B. will drive C. drove D. is driving
( )10. A. hundred B. hundreds of C. hundreds D. hundred of
( )11. A. a B. an C. the D. /
( )12. A. could B. should C. need D. must
( )13. A. delicious B. more delicious C. most delicious D. the most delicious
( )14. A. but B. and C. or D. if
( )15. A. also B. too C. either D. neither
原因状语从句
在句中表示原因、理由的从句叫原因状语从句。
1 引导原因状语从句的从属连词主要有because, since, as。
2 表示语气的强弱顺序是：because﹥since﹥as。
3 这些连词都不能和so连用。
4 当原因状语从句放于句首时，通常要用逗号与主句隔开。
引导词because
1. because强调明确直接的因果关系，回答“why”问题。
She didn’t come to school because she was ill. 她没来上学是因为病了。
--- Why was he angry 他为什么生气？--- Because I was late. 因为我迟到了。
2. because从句可与for互换，但for是并列连词，连接的是并列句，并且在for前必须有逗号隔开。
We must start early because it will take us 3 hours to drive there. = We must start early, for it will take us 3 hours to drive there. 我们要早点出发，因为开车去那儿要3个小时。
引导词since
1 since表示明摆着的理由或原因，常译为“既然”。
Since you have finished your homework, you can take a rest.
既然你已完成了作业，那就休息一下吧。
2 since还可引导时间状语从句，表示“自从……以来”。
We’ve known each other since we were children. 我们从孩提时代起就相识了。
引导词as
1. as语气最弱，表示附带说明的原因。
As you’re busy, you needn’t go to see him today. 你很忙，就没必要今天去看他了。
2. as还可引导时间状语从句，表示“当……的时候”、“随着……”。
He dropped the glass as he stood up. 他站起来时，把杯子摔了。
We get wiser as we get old. 随着年龄的增长，我们也变得聪明些了。
because与 because of的区别
because和because of的意思都是“因为；由于”。 但because 是连词，其后接句子。because of 是复合介词，其后接名词、代词、动名词、what 从句等。
She doesn’t go to school because she is ill. = She doesn’t go to school because of her illness.
她没来上学因为她生病了。
巩固练习
一、按要求完成句子。
1. Mr Brown doesn’t have many friends here. He is a newcomer. (用because合并句子)
_____________________________________________________________________________________
2. Jim couldn’t walk because his leg was broken. (用because of 改写句子)
_____________________________________________________________________________________
3. It’s getting dark. Let’s go home now. (用as合并句子)
_____________________________________________________________________________________
4. Jack had to have breakfast quickly. He got up late. (用because合并句子)
_____________________________________________________________________________________
5. This is the last bus. We had better get on it. (用since合并句子)
_____________________________________________________________________________________
二、选择合适的词填空。
1. Merry had a stomachache _________ (because/so) she ate something bad.
2. I didn’t go to Mary’s party _________ (as/so) I was tired.
3. _________ (Although/Since) everyone is here, let’s start the meeting.
4. Glen and Henry didn't arrive there on time _________ (because/because of) the heavy snow.
5. I have to speak English with them, _________ (as/when) the guys I live with don’t know any Chinese.
三、单项选择
( )1. She won’t go to the cinema ______ she has already seen the film.
A. until B. if C. so D. because
( )2. ______ you’re tired, you’d better stay at home and have a rest.
A. Since B. Or C. Though D. Till
( )3. — Why didn’t you go to the party — ______ I wasn’t invited.
A. As B. Since C. Because D. So
( )4.— Did you call Jack back
— I didn’t need to ______ I’ll see him tomorrow.
A. though B. because C. unless D. when
( )5. ______ we have no money, we can’t buy it.
A. Until B. Unless C. As D. Although
( )6. ______ it was raining, _______ they stayed at home.
A. Because; so B. Because; / C. Since; so D. As; so
( )7. They were late for the meeting ______ the heavy rain.
A. because of B. because C. since D. as
( )8. You have to take the second bus ______ the first one is full.
A. but B. so C. because D. although
( )9. It rained last night, _______ the ground is wet.
A. or B. for C. but D. though
( )10. The baby is sleeping, _______ you’d better keep quiet.
A. but B. or C. because D. so
Grammar同步练习
一、单项选择。
( )1. I didn’t go to the party not _________ the weather but __________ I didn’t feel well.
A. because of, because B. because of, because of
C. because, because of D. because, because
( ) 2. — Because it is hot, _____we decide to go swimming.
— Can I join you
A. so B. thus C. therefore D. /
( )3. _________ no one knows the truth, we don’t believe what he said.
A. When B. Since C. Until D. Whether
( )4. —Why are you absent —_______ I am ill.
A. Since B. For C. Because D. As
( )5. I can’t come tonight _________ I’m going to Jay’s concert.
A. that B. unless C. so D. as
( )6. She was praised, _______ she often helped others.
A. but B. for C. or D. and
( )7. He gave up his job _________ his poor health.
A. because of B. since C. as D. because
( )8. _______ it was raining, _________ we stayed at home.
A. As, so B. /, as C. Because, so D. Because, /
二、用适当的连词填空，使句子完整、通顺。
1. I didn’t go to school yesterday ____________ I was ill.
2. He might have gone to bed, __________ the light went out.
3. I invited her to the party__________ she didn’t attend.
4. _______________ all of us were very tired, we still went on working.
5. He walked slowly ______________ his broken leg.
三、完成句子。
1. 他们是因为我们来这里的。
They are here ______________ _______________ us.
2. 既然你已经在这儿了，何不多待两天？
__________ you are here, why not stay for two more days
3. 你生病了，最好去看看医生。
__________ you are ill, you’d better go to see a doctor.
4. 我没去那里，因为我不想见到他。
I didn’t go there _________ I didn’t want to see him.
5. 因为要赶去火车站，他们很早就起床了。
___________ they needed to go to the train station, they got up early.
四、语法填空。
Sometimes, it’s great fun to show people that they are important through some acts of kindness. My daughter Cindy, __1__________ eight-year-old girl, was kind of shy in the past, __2_________ one thing made her very active and outgoing（外向的）.
I still remember the thing that happened to her. Last month, Cindy __3_________(feel) uncomfortable, so I took her to see the doctor. While we were waiting in line outside the waiting room, we saw a lady standing just beside __4__________(we). She looked very worried. I had never seen her before, so I said nothing to her. However, Cindy gave a smile card to the lady, saying “I hope everything goes well to you.” It brought tears to her eyes. The lady hugged Cindy but said nothing. Later, Cindy gave out five more smile __5_________ (card) to people that day.
Last Monday, I went shopping in a supermarket. After I __6________(buy) what I wanted, I went to the counter. To my __7___________ (surprised), I couldn’t find my wallet and I didn’t know what __8_________ (do). At that time, a lady came to me and paid the bill __9_______me. Oh, she was the lady who was outside the waiting room that day. I said “thank you” to her. She said, “I was moved by your daughter’s kindness.”
Now our family have always enjoyed __10___________(help)others and smile cards are a good tool to do more. Of course, what we have done has changed my daughter.
参考答案：
课前预习
DBDBC BBACB BABAA
课堂同步
巩固练习：
一、
1. Mr Brown doesn’t have many friends here because he is a newcomer.
2. Jim couldn’t walk because of his broken leg.
3. As it’s getting dark, let’s go home now.
4. Jack had to have breakfast quickly because he got up late.
5. Since this is the last bus, we had better get on it.
二、1. because 2. as 3. Since 4. because of 5. as
三、DACBC BACBD
课后训练
一、ADBC DBAD
二、1. because 2. for 3. but 4. Although/though 5. because of
三、1. because of 2. Since 3. Since/As 4. because 5. Because/Since/As
四、1. an 2. but 3. felt 4. us 5. cards.
6. bought 7. surprise 8. to do 9. for 10. helping
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