外研版（2019）必修第二册 Unit1 Food for thought单元语法详解课件（18张ppt)
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| 名称 | 外研版（2019）必修第二册 Unit1 Food for thought单元语法详解课件（18张ppt) |  | |
| 格式 | pptx | ||
| 文件大小 | 1.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-02-26 16:35:52 | ||
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(共18张PPT)
Unit 1 Food for thought
单元语法详解
外研版新教材必修二
现在分词
作状语
◆【原句再现】
“No,” the butcher said，pulling at his own ears，“just these ordinary ones.”
◆ 【精品例句】
1. Newly built wooden cottages line the street，turning the old town into a dreamland.
新建的木屋排列在街道两旁，把这座古老的城镇变成了梦幻的世界
2. He stood by the window，watching people passing by his window.
他站在窗边，看着从他窗边经过的人们
3. They walked along the street，singing and laughing.
他们在街上走着，又唱又笑
◆现在分词作状语应具备的条件
①现在分词的逻辑主语与和主句主语保持一致
②现在分词动作一般表主动
◆例句解析
1. Seeing his mother，the baby burst into laughter.
此句中 Seeing 的逻辑主语就是后面句子中的 the baby. 即
两者主语一致，而且“seeing”这个动作是 the baby主动发
出的.
2. Being poor, he couldn’t afford a TV set.
此句中 Being 的逻辑主语就是后面句子中的 he. 即两者主
语一致，而且“being”这个状态是 he自然存在的，而非被
动.
3. Walking in the beach, I picked up some colorful seashells.
此句中 Walking 的逻辑主语就是后面句子中的 I. 即两者主
语一致，而且“walking”这个动作是 I 主动发出的.
◆现在分词作状语分类
●时间状语
●原因状语
●结果状语
●条件状语
●让步状语
●方式或伴随状语
●作原因状语
1. Being ill, he didn’t go to school.
2. Being a student, you should study hard.
3. Thinking he might be at home, I called him.
●作时间状语
(When) walking in the street, I came across an old friend of mine.
2. (While) waiting for the bus, he read a copy of China Daily.
3. Having finished the task, she went home.
4. Hearing the noise, I turned round.
●方式状语
He came running all the way.
2. The man came down from the tree rolling over and over.
●作伴随状语 相当于and连接的并列句
1. He walked down the river, singing softly to himself.
2. He sat on the sofa, watching TV.
●作结果状语
1. Her mother died in 1990, leaving her with her younger brother.
2. The song is sung all over the country, making it the most popular song.
●作条件状语
1. Using your head, you will find a way.
2. Walking ahead, you will see a white house.
◆现在分词作状语相当于状语从句
1. Being poor, he couldn't afford a computer. (原因）
=As he was poor , he couldn’t afford a computer.
2. Walking in the street, I came across an old friend of mine. （时间）
=When I walked in the street, I came across an old friend of mine.
3. He came running all the way. （方式）
4. He walked down the river, singing softly to himself.（伴随）= He walked down the river and sang softly to himself.
5. Her mother died in 1990, leaving her with her younger brother. （结果）=Her mother died in 1990 and left her with her ….
6. Using your head, you will find a way. （条件）
=If you use your head, you will find a way.
◆现在分词的时态、语态及否定形式
请看下面表格
主动形式 被动形式
一 般 式
完 成 式
doing
not doing (否定式)
being done
not being done (否定式)
having done
not having done (否定式)
having been done
not having been done (否定式)
●⑴ 当分词的动作和谓语动作同时发生，则用分词的一
般形式。
1. Walking in the street, I caught sight of a dog.
=When I was walking in the street, I caught sight of a dog.
此句中，walk 和 catch sight of 两个动作同时发生.
2. When I heard the noise, I turned round.
= Hearing the noise, I turned round.
此句中，hear 和 turn round 两个动作同时发生.
●(2)当分词的动作发生在谓语动作之前，则用分词的完
成形式
1. Having finished the task, she went home.
= After she had finished the task, she went home.
此句中, finish 这一动作发生在 go 这一动作之前.
2. After he had written the letter, he went to post it.
= Having written the letter, he went to post it.
此句中, write 这一动作发生在 go to post 这一动作之前.
◆考点训练
●用现在分词作状语改写下列句子
After he heard a strong sound, he went out of the room for a look.
Having heard a strange sound, he went out of the room for a look.
2. As the girl was seriously ill, she was taken to hospital immediately.
Being seriously ill, the girl was taken to hospital.
3. As she didn’t know any French, she couldn’t get any one to help her.
Not knowing any French, she couldn’t get any one to help her.
●选择最佳答案
1. “You can’t catch me!” Janet shouted, _______ away.
A. run B. running C. to run D. having run
2. (北京卷) ______ the course very difficult, she decided to move to a
lower level.
A．Find B．Finding C．To find D．Found
3. _________ such heavy pollution already, it may now be too late to
clean up the river.
A. Having suffered B. Suffering
C. To suffer D. Suffered
4. The student sat there, ____ what to do.
A. doesn’t knowing B. didn’t knowing
C. not know D. not knowing
B
B
A
D
5. ____ the programme, they have to stay there for another
2 weeks.
A. Not completing B. Not completed
C. Not having completed D. Having not completed
6.“We can’t go out in this weather”, said Bob, _____ out of
the window.
A. looking B. to look C. looked D. having looked
7.Though ____ money, his parents managed to send him to
university.
A. lacked B. lacking of C. lacking D. lacked in
C
A
C
●用所给动词的适当形式填空
Not ______________(know) his address, I couldn’t go to
see him yesterday.
2. Look out for cars when _____________(cross) the street.
3. Not ________________ (receive) the invitation to the
party, Mary was greatly hurt.
knowing
crossing
having received
That’s all for today!
Goodbye!
Unit 1 Food for thought
单元语法详解
外研版新教材必修二
现在分词
作状语
◆【原句再现】
“No,” the butcher said，pulling at his own ears，“just these ordinary ones.”
◆ 【精品例句】
1. Newly built wooden cottages line the street，turning the old town into a dreamland.
新建的木屋排列在街道两旁，把这座古老的城镇变成了梦幻的世界
2. He stood by the window，watching people passing by his window.
他站在窗边，看着从他窗边经过的人们
3. They walked along the street，singing and laughing.
他们在街上走着，又唱又笑
◆现在分词作状语应具备的条件
①现在分词的逻辑主语与和主句主语保持一致
②现在分词动作一般表主动
◆例句解析
1. Seeing his mother，the baby burst into laughter.
此句中 Seeing 的逻辑主语就是后面句子中的 the baby. 即
两者主语一致，而且“seeing”这个动作是 the baby主动发
出的.
2. Being poor, he couldn’t afford a TV set.
此句中 Being 的逻辑主语就是后面句子中的 he. 即两者主
语一致，而且“being”这个状态是 he自然存在的，而非被
动.
3. Walking in the beach, I picked up some colorful seashells.
此句中 Walking 的逻辑主语就是后面句子中的 I. 即两者主
语一致，而且“walking”这个动作是 I 主动发出的.
◆现在分词作状语分类
●时间状语
●原因状语
●结果状语
●条件状语
●让步状语
●方式或伴随状语
●作原因状语
1. Being ill, he didn’t go to school.
2. Being a student, you should study hard.
3. Thinking he might be at home, I called him.
●作时间状语
(When) walking in the street, I came across an old friend of mine.
2. (While) waiting for the bus, he read a copy of China Daily.
3. Having finished the task, she went home.
4. Hearing the noise, I turned round.
●方式状语
He came running all the way.
2. The man came down from the tree rolling over and over.
●作伴随状语 相当于and连接的并列句
1. He walked down the river, singing softly to himself.
2. He sat on the sofa, watching TV.
●作结果状语
1. Her mother died in 1990, leaving her with her younger brother.
2. The song is sung all over the country, making it the most popular song.
●作条件状语
1. Using your head, you will find a way.
2. Walking ahead, you will see a white house.
◆现在分词作状语相当于状语从句
1. Being poor, he couldn't afford a computer. (原因）
=As he was poor , he couldn’t afford a computer.
2. Walking in the street, I came across an old friend of mine. （时间）
=When I walked in the street, I came across an old friend of mine.
3. He came running all the way. （方式）
4. He walked down the river, singing softly to himself.（伴随）= He walked down the river and sang softly to himself.
5. Her mother died in 1990, leaving her with her younger brother. （结果）=Her mother died in 1990 and left her with her ….
6. Using your head, you will find a way. （条件）
=If you use your head, you will find a way.
◆现在分词的时态、语态及否定形式
请看下面表格
主动形式 被动形式
一 般 式
完 成 式
doing
not doing (否定式)
being done
not being done (否定式)
having done
not having done (否定式)
having been done
not having been done (否定式)
●⑴ 当分词的动作和谓语动作同时发生，则用分词的一
般形式。
1. Walking in the street, I caught sight of a dog.
=When I was walking in the street, I caught sight of a dog.
此句中，walk 和 catch sight of 两个动作同时发生.
2. When I heard the noise, I turned round.
= Hearing the noise, I turned round.
此句中，hear 和 turn round 两个动作同时发生.
●(2)当分词的动作发生在谓语动作之前，则用分词的完
成形式
1. Having finished the task, she went home.
= After she had finished the task, she went home.
此句中, finish 这一动作发生在 go 这一动作之前.
2. After he had written the letter, he went to post it.
= Having written the letter, he went to post it.
此句中, write 这一动作发生在 go to post 这一动作之前.
◆考点训练
●用现在分词作状语改写下列句子
After he heard a strong sound, he went out of the room for a look.
Having heard a strange sound, he went out of the room for a look.
2. As the girl was seriously ill, she was taken to hospital immediately.
Being seriously ill, the girl was taken to hospital.
3. As she didn’t know any French, she couldn’t get any one to help her.
Not knowing any French, she couldn’t get any one to help her.
●选择最佳答案
1. “You can’t catch me!” Janet shouted, _______ away.
A. run B. running C. to run D. having run
2. (北京卷) ______ the course very difficult, she decided to move to a
lower level.
A．Find B．Finding C．To find D．Found
3. _________ such heavy pollution already, it may now be too late to
clean up the river.
A. Having suffered B. Suffering
C. To suffer D. Suffered
4. The student sat there, ____ what to do.
A. doesn’t knowing B. didn’t knowing
C. not know D. not knowing
B
B
A
D
5. ____ the programme, they have to stay there for another
2 weeks.
A. Not completing B. Not completed
C. Not having completed D. Having not completed
6.“We can’t go out in this weather”, said Bob, _____ out of
the window.
A. looking B. to look C. looked D. having looked
7.Though ____ money, his parents managed to send him to
university.
A. lacked B. lacking of C. lacking D. lacked in
C
A
C
●用所给动词的适当形式填空
Not ______________(know) his address, I couldn’t go to
see him yesterday.
2. Look out for cars when _____________(cross) the street.
3. Not ________________ (receive) the invitation to the
party, Mary was greatly hurt.
knowing
crossing
having received
That’s all for today!
Goodbye!