Unit 3 The world online Grammar and usage(1) Auxiliary verbs 课件（21张PPT）
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| 名称 | Unit 3 The world online Grammar and usage(1) Auxiliary verbs 课件（21张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 715.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2020-02-28 20:48:20 | ||
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(共21张PPT)
Grammar and usage
Auxiliary verbs
助动词（1）
牛津高中英语模块七重点语法突破
Learning Objectives
1. To learn the definition of auxiliary verbs.
2. To master the usage of auxiliary verbs.
Step I The definition
助动词（Auxiliary Verbs）一般没有独立的实际意义，不能单独作谓语，必须和其他实义动词一起构成谓语，表示时态、语态和语气等。常见的助动词有 be, do, have ，情态动词和助动词短语。
Step2【阅读判断】
1). The kid doesn't like swimming. ___
2). The student does sports every day. ___
3). He has a lot of homework to do today. ___
4). He has finished his homework. ___ 5). The story is scary. ___
6). I am speaking against the Internet. ___
√
×
√
√
×
×
Step 3 【观察思考】
Task 1
1). I am studying in No.4 middle school now.
2). We are crossing the Garden Bridge now.
3). Is he reading the book now?
4). Aspirin was invented in 1897.
5). The students were not studying when the teacher came into the classroom.
be 作为助动词时, 有
等各种形式；
主要用于构成 和
am、is、are 、
was、were
进行时态
被动语态。
Is
＋ doing
＋ done
＋
＋
is
am
are
was
were
Step 4 【整理概括】
Step 5 【巩固运用】：
Answer the questions.
2.Is your homework finished every night?
1.What are you doing?
Task2
1). He didn’t find any useful information on the Internet.
2). Do you often use the Internet to talk to your friends?
3). He does know a lot about the Internet.
do作为助动词时,随时态、人称和数的变化有 三种形式；
do, does, did
Is
＋
＋主语＋动词原形
＋动词原形
＋
＋
do
does
did
＋ not＋动词原形
【整理概括】
Practice：
1.他昨晚未做家作。（翻译）
This pen doesn’t write smoothly.
2.This pen writes smoothly.（改为否定句
和一般疑问句，并做肯定回答。）
Does this pen write smoothly?
Yes， it does.
He didn’t do his homework last night.
Task 3
1).The Internet has too much information that
has not been evaluated for accuracy.
2). Have they finished their project?
3). When he arrived at the station, he found
that the train had left.
have 作为助动词时, 根据时态、人称和数的变化，有 三种形式；
have, has, had
have
has
had
＋ done
＋ done
＋
＋
have
has
had
【整理概括】
Most students have taken notes .
Most students haven't taken notes .
Have most students taken notes ?
Practice: 改否定句和一般疑问句。
Yes, they have.
Task4
1). There are two main points which must be included when we analyse the Internet.
2). This time next week, I shall be in Scotland.
3). They should arrive before dark.
4).How long will you be staying in Yunnan?
5). They told me that they probably wouldn’t come.
4: 情态动词主要有：
等，不能单独做谓语，后面一定要接 。
must， can， could，
may， shall，should, will, would
动词原形
Is
＋
will
shall
would
should
...
动词原形
【整理概括】
We can be ourselves on the Internet.
We can’t be ourselves on the Internet.
Can you be yourselves on the Internet?
Practice: 改否定句和一般疑问句。
Yes, we can.
Conclusion
助动词（Auxiliary Verbs）一般没有独立的实际意义，不能单独作谓语，必须和其他实义动词一起构成谓语，表示时态、语态和语气等。常见的助动词有 be, do, have ，情态动词和助动词短语。
Thank you！
Consolidation.
Task1. 1）The number of foreign students in China
hasn’t been rising steadily since 1997.
Has the number of foreign students in China been
rising steadily since 1997?
2) I didn’t see a film with my parents at the weekend.
Did you see a film with your parents at the weekend?
3）I won’t telephone her to tell her the news.
Will you telephone her to tell her the news?
Task2 完形填空。
1. By the time I got outside, the bus
______already _______ (leave).
2.Teenagers should __________ (allow) to
make their own decisions.
3. Since 2001, the country __________ (grow)
more corn than rice.
4. They ___________ ( eat) dinner when the
phone rang.
5. The kind of machine _________ (not use )
to scan and send pictures over 3 years ago.
had left
be allowed
has grown
were eating
wasn't used
Task3 改错。
1. No matter how many times I asked to watch cartoons, my parents would not to let me.
2. A rescue worker risked his life saving two tourists who had trapped in the mountains for 2 days.
3. He likes playing basketball, as am I.
4. Not only aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with.
5. He remembered that there had a classmate with the same name in his class.
been
do
has
was
Grammar and usage
Auxiliary verbs
助动词（1）
牛津高中英语模块七重点语法突破
Learning Objectives
1. To learn the definition of auxiliary verbs.
2. To master the usage of auxiliary verbs.
Step I The definition
助动词（Auxiliary Verbs）一般没有独立的实际意义，不能单独作谓语，必须和其他实义动词一起构成谓语，表示时态、语态和语气等。常见的助动词有 be, do, have ，情态动词和助动词短语。
Step2【阅读判断】
1). The kid doesn't like swimming. ___
2). The student does sports every day. ___
3). He has a lot of homework to do today. ___
4). He has finished his homework. ___ 5). The story is scary. ___
6). I am speaking against the Internet. ___
√
×
√
√
×
×
Step 3 【观察思考】
Task 1
1). I am studying in No.4 middle school now.
2). We are crossing the Garden Bridge now.
3). Is he reading the book now?
4). Aspirin was invented in 1897.
5). The students were not studying when the teacher came into the classroom.
be 作为助动词时, 有
等各种形式；
主要用于构成 和
am、is、are 、
was、were
进行时态
被动语态。
Is
＋ doing
＋ done
＋
＋
is
am
are
was
were
Step 4 【整理概括】
Step 5 【巩固运用】：
Answer the questions.
2.Is your homework finished every night?
1.What are you doing?
Task2
1). He didn’t find any useful information on the Internet.
2). Do you often use the Internet to talk to your friends?
3). He does know a lot about the Internet.
do作为助动词时,随时态、人称和数的变化有 三种形式；
do, does, did
Is
＋
＋主语＋动词原形
＋动词原形
＋
＋
do
does
did
＋ not＋动词原形
【整理概括】
Practice：
1.他昨晚未做家作。（翻译）
This pen doesn’t write smoothly.
2.This pen writes smoothly.（改为否定句
和一般疑问句，并做肯定回答。）
Does this pen write smoothly?
Yes， it does.
He didn’t do his homework last night.
Task 3
1).The Internet has too much information that
has not been evaluated for accuracy.
2). Have they finished their project?
3). When he arrived at the station, he found
that the train had left.
have 作为助动词时, 根据时态、人称和数的变化，有 三种形式；
have, has, had
have
has
had
＋ done
＋ done
＋
＋
have
has
had
【整理概括】
Most students have taken notes .
Most students haven't taken notes .
Have most students taken notes ?
Practice: 改否定句和一般疑问句。
Yes, they have.
Task4
1). There are two main points which must be included when we analyse the Internet.
2). This time next week, I shall be in Scotland.
3). They should arrive before dark.
4).How long will you be staying in Yunnan?
5). They told me that they probably wouldn’t come.
4: 情态动词主要有：
等，不能单独做谓语，后面一定要接 。
must， can， could，
may， shall，should, will, would
动词原形
Is
＋
will
shall
would
should
...
动词原形
【整理概括】
We can be ourselves on the Internet.
We can’t be ourselves on the Internet.
Can you be yourselves on the Internet?
Practice: 改否定句和一般疑问句。
Yes, we can.
Conclusion
助动词（Auxiliary Verbs）一般没有独立的实际意义，不能单独作谓语，必须和其他实义动词一起构成谓语，表示时态、语态和语气等。常见的助动词有 be, do, have ，情态动词和助动词短语。
Thank you！
Consolidation.
Task1. 1）The number of foreign students in China
hasn’t been rising steadily since 1997.
Has the number of foreign students in China been
rising steadily since 1997?
2) I didn’t see a film with my parents at the weekend.
Did you see a film with your parents at the weekend?
3）I won’t telephone her to tell her the news.
Will you telephone her to tell her the news?
Task2 完形填空。
1. By the time I got outside, the bus
______already _______ (leave).
2.Teenagers should __________ (allow) to
make their own decisions.
3. Since 2001, the country __________ (grow)
more corn than rice.
4. They ___________ ( eat) dinner when the
phone rang.
5. The kind of machine _________ (not use )
to scan and send pictures over 3 years ago.
had left
be allowed
has grown
were eating
wasn't used
Task3 改错。
1. No matter how many times I asked to watch cartoons, my parents would not to let me.
2. A rescue worker risked his life saving two tourists who had trapped in the mountains for 2 days.
3. He likes playing basketball, as am I.
4. Not only aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with.
5. He remembered that there had a classmate with the same name in his class.
been
do
has
was