Unit 1 Art Discovering Useful Structures 课件（共29张PPT）
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| 名称 | Unit 1 Art Discovering Useful Structures 课件（共29张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 1.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-11-17 15:29:17 | ||
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(共29张PPT)
1. 语气(mood)
语气是动词的一种形式，表示说话人对
某一行为或事情的看法和态度。
2. 语气的种类
分为陈述语气、祈使语气和虚拟语气。
语气的定义和种类
陈述语气：
叙述事实或可能发生的事情时，人们所使用的语气就是陈述语气。
I’m a boy of sixteen this year.
I want to travel in the space like Yang Liwei.
祈使语气：
人们用来表示命令、要求、请求、邀请、劝告或建议时所使用的语气就是祈使语气。
Hurry up!
Could you please close the window?
Read the following sentences. Pay attention to the underlined parts.
If you could have three of these paintings on
the walls of your classroom, which would
you choose?
Have you ever wished you could paint as
well as a professional artist?
If you were an artist, what kind of pictures
would you paint?
If the rules of perspective had not been
discovered, no one would have been able to
paint such realistic pictures.
Without the new paints and the new
technique, we would not be able to see …
虚拟语气是一种特殊的动词形式，用来表示说话人所说的话不是事实，而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中)；或是表示说话人的愿望、要求、命令、建议等 (在宾语从句、表语从句、同位语从句)。
虚拟语气概念
He would come to the party if he did not have to work.
If he has time, he always walks into the café and asks for a cup of coffee.
If I had enough money I would buy a new car.
I’ll go with you to the gallery if it doesn’t rain tomorrow.
Discuss which is a fact and which is a wish.
虚拟语气在条件从句中
表示与事实情况相反 条件从句的谓语形式 主句的谓语形式
表示现在情况 过去式(did，be常用 were) would / could / might / should (用于第一人称) +动词原形
表示将来情况 ①过去式 (did)
②should + do
③were to do would / could / might / should (用于第一人称) +动词原形
1、表示与现在事实相反的假设和结果
If I were you, I would go at once.
我是你的话，我会马上走。
If my brother were here, everything
would be all right.
要是我哥在这儿，一切都没问题了。
Translation
1).如果他有时间，他就会（可能）和你去。
If he had time, he would /could/might go with you.
2).要是我是你，我就会（可能）对他说实话。
If I were you, I should/would/could/might tell him the truth.
2、表示对将来事实做出的假设和猜想
If it were sunny tomorrow, I would come to see you.
明天要是天气好的话，我来看你。
If it should rain, the crops would be saved.
假如天下雨，庄稼就有可能得救。
If it were to snow this evening, they would not go out .
如果今晚下雪，他们将不出去了。
Translation
1). 如果这次实验失败，他会再试一次。
2). 假如我要求， 你会帮助我吗？
If he should fail in the experiment this time, he would try again.
If I were to ask, would you help me?
wish+宾语从句：表示不能实现的愿望，表示“但愿……； ……就好了；可惜…… ； ……多好” 。
1. 表示现在不能实现的愿望，从句的谓语动
词用过去式。
I wish (that) I were young again.
I wish I had a small room of my own.
虚拟语气在wish后的宾语从句中
2. 表示将来表达的愿望(实现)，从句的谓语动词用would (could) +动原 / were to +动词原形
I wish I could fly to the moon one day.
She wishes you wouldn’t smoke any more.
I wish he could come tomorrow.
I sincerely wished that I might do something to comfort him.
3. 对过去发生的事情表示遗憾或后悔，从
句的谓语动词用过去完成时
He wished he hadn’t done it.
他想要是他没这样做该多好。
I wish you had told me about it earlier.
你早点告诉有关这件事就好了。
1 . Ellen is a fantastic dancer. I wish I _________ (dance) as well as her.
2. How I wish every family ________ (have) a large house with a beautiful garden!
3. I wish I ________ (be) at my sister’s wedding last Tuesday, but I was on a business trip in New York then.
[典型例题]
danced
had
had been
Translation
1.我希望她能站在我一边。
I wish she would be on my side.
2.我希望你毕业后能找到一个好工作。
I wish you would find a good job after graduation.
3. 我要是没有接受他的邀请就好了。
I wish I hadn’t accepted his invitation.
insist / suggest 各有两种意思，要用不同的语气
insist 表示“坚决要求”时，用虚拟形式，即 should + do;
insist 表示“坚称，坚持说”时，用陈述语气，表示事实。
He insisted that all of us should be there on time by any means. 他坚持要我们大家想尽办法按时去那儿。
He insisted that he was right. 他坚持说他是正确的。
在insist / suggest后的宾语从句中
suggest 表示“建议”时，用虚拟语气。
suggest 表示 “ 表明、暗示”时，用陈述语气。
The teacher suggested that we (should)
clean the blackboard after class.
老师建议我们课后把擦黑板。
2) He often came to the theater, but his
attitude suggested he was not really
interested in the play.
他经常来剧院，但他的态度表明他不是真
的对这部戏感兴趣。
Mr. Johnson insisted that the problem
worthy of attention _______ (讨论) at the
meeting. (discuss)
答案：(should) be discussed
[典型例题]
would rather表示“宁愿、宁可”的意思，后面如用宾语从句，动词采用过去时（与现在或将来事实相反）或过去完成时（与过去事实相反）。
I would rather he came tomorrow than today.
I’d rather I hadn’t met you．
在would rather后的宾语从句中
George is going to talk about the geography of his country, but I’d rather he _______ (focus) more on its culture.
解析：would rather后应用虚拟语气，表示与现在时间相反，用动词的过去式。答案是focused。
[典型例题]
focused
虚拟语气在 as if 从句中
在as if 从句中，常用虚拟形式，即表示与
现在事实相反，用过去式；与过去事实相
反用过去完成式 (had done).
一、as if 连接表语从句
She looked as if she were made of ice.
He looked as if he hadn’t slept for two days.
二、as if 连接让步状语从 句
She looked after the boy as if he were her own son.
He speaks to us as if he had been there.
虚拟语气中的几个特例
1. if only 意为“若是...那该多好啊；真希望...； 只要，只要...就好”，表示现在的情况，应用过去式；如果是过去的情况，应用过去完成时态
If only I had arrived in time!
If only she didn’t drive so fast.
2. It’s (high / right) time that…
that 从句要用虚拟语气，谓语用过去时或should + do
It’s time that you left / should leave here.
注意：
虚拟从句中常用were代替was;
在含有were的虚拟语气条件句中，if可以被省略，但这时从句要采用倒装语序。
If I were to meet him tomorrow, I should ask him about it.
Were I to meet him tomorrow, I should ask him about it.
3. 不是所有的条件句都用虚拟语气，有可
能发生的假设不用虚拟语气，而用相应
的时态表达与过去、现在或将来有关的
假设。
It is raining. If you go out, you’ll get wet.
If he ________ (call) me tomorrow, I would let him know.
2. She’s talking about Australia as if she ?_________ (be) there, while actually she has never left her hometown.
3. Julia feels lonely in this city and wishes
she _________ (live) with her parents.
Fill in the blanks with the proper form of the given words..
should call
had been
were living
4. I wish I ________ (meet) my uncle yesterday.
5. If only I ________ (listen) to my parents’ advice!
6. If it __________ (rain) next week, the farmers could still have a good harvest.
had met
had listened
should rain
1. If everyone knew first aid, many lives
_______ _______ _______(得救).
2. I wish I ________ (拥有) the kind of power Spiderman has.
3. If it _______ (下雪) tomorrow, they
would stay at home.
4. ____ _____ ____ _____ ______ (如果你来) tomorrow evening, you could see him.
Complete the sentences.
would be saved
had
snowed
If you were to come
1. 语气(mood)
语气是动词的一种形式，表示说话人对
某一行为或事情的看法和态度。
2. 语气的种类
分为陈述语气、祈使语气和虚拟语气。
语气的定义和种类
陈述语气：
叙述事实或可能发生的事情时，人们所使用的语气就是陈述语气。
I’m a boy of sixteen this year.
I want to travel in the space like Yang Liwei.
祈使语气：
人们用来表示命令、要求、请求、邀请、劝告或建议时所使用的语气就是祈使语气。
Hurry up!
Could you please close the window?
Read the following sentences. Pay attention to the underlined parts.
If you could have three of these paintings on
the walls of your classroom, which would
you choose?
Have you ever wished you could paint as
well as a professional artist?
If you were an artist, what kind of pictures
would you paint?
If the rules of perspective had not been
discovered, no one would have been able to
paint such realistic pictures.
Without the new paints and the new
technique, we would not be able to see …
虚拟语气是一种特殊的动词形式，用来表示说话人所说的话不是事实，而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中)；或是表示说话人的愿望、要求、命令、建议等 (在宾语从句、表语从句、同位语从句)。
虚拟语气概念
He would come to the party if he did not have to work.
If he has time, he always walks into the café and asks for a cup of coffee.
If I had enough money I would buy a new car.
I’ll go with you to the gallery if it doesn’t rain tomorrow.
Discuss which is a fact and which is a wish.
虚拟语气在条件从句中
表示与事实情况相反 条件从句的谓语形式 主句的谓语形式
表示现在情况 过去式(did，be常用 were) would / could / might / should (用于第一人称) +动词原形
表示将来情况 ①过去式 (did)
②should + do
③were to do would / could / might / should (用于第一人称) +动词原形
1、表示与现在事实相反的假设和结果
If I were you, I would go at once.
我是你的话，我会马上走。
If my brother were here, everything
would be all right.
要是我哥在这儿，一切都没问题了。
Translation
1).如果他有时间，他就会（可能）和你去。
If he had time, he would /could/might go with you.
2).要是我是你，我就会（可能）对他说实话。
If I were you, I should/would/could/might tell him the truth.
2、表示对将来事实做出的假设和猜想
If it were sunny tomorrow, I would come to see you.
明天要是天气好的话，我来看你。
If it should rain, the crops would be saved.
假如天下雨，庄稼就有可能得救。
If it were to snow this evening, they would not go out .
如果今晚下雪，他们将不出去了。
Translation
1). 如果这次实验失败，他会再试一次。
2). 假如我要求， 你会帮助我吗？
If he should fail in the experiment this time, he would try again.
If I were to ask, would you help me?
wish+宾语从句：表示不能实现的愿望，表示“但愿……； ……就好了；可惜…… ； ……多好” 。
1. 表示现在不能实现的愿望，从句的谓语动
词用过去式。
I wish (that) I were young again.
I wish I had a small room of my own.
虚拟语气在wish后的宾语从句中
2. 表示将来表达的愿望(实现)，从句的谓语动词用would (could) +动原 / were to +动词原形
I wish I could fly to the moon one day.
She wishes you wouldn’t smoke any more.
I wish he could come tomorrow.
I sincerely wished that I might do something to comfort him.
3. 对过去发生的事情表示遗憾或后悔，从
句的谓语动词用过去完成时
He wished he hadn’t done it.
他想要是他没这样做该多好。
I wish you had told me about it earlier.
你早点告诉有关这件事就好了。
1 . Ellen is a fantastic dancer. I wish I _________ (dance) as well as her.
2. How I wish every family ________ (have) a large house with a beautiful garden!
3. I wish I ________ (be) at my sister’s wedding last Tuesday, but I was on a business trip in New York then.
[典型例题]
danced
had
had been
Translation
1.我希望她能站在我一边。
I wish she would be on my side.
2.我希望你毕业后能找到一个好工作。
I wish you would find a good job after graduation.
3. 我要是没有接受他的邀请就好了。
I wish I hadn’t accepted his invitation.
insist / suggest 各有两种意思，要用不同的语气
insist 表示“坚决要求”时，用虚拟形式，即 should + do;
insist 表示“坚称，坚持说”时，用陈述语气，表示事实。
He insisted that all of us should be there on time by any means. 他坚持要我们大家想尽办法按时去那儿。
He insisted that he was right. 他坚持说他是正确的。
在insist / suggest后的宾语从句中
suggest 表示“建议”时，用虚拟语气。
suggest 表示 “ 表明、暗示”时，用陈述语气。
The teacher suggested that we (should)
clean the blackboard after class.
老师建议我们课后把擦黑板。
2) He often came to the theater, but his
attitude suggested he was not really
interested in the play.
他经常来剧院，但他的态度表明他不是真
的对这部戏感兴趣。
Mr. Johnson insisted that the problem
worthy of attention _______ (讨论) at the
meeting. (discuss)
答案：(should) be discussed
[典型例题]
would rather表示“宁愿、宁可”的意思，后面如用宾语从句，动词采用过去时（与现在或将来事实相反）或过去完成时（与过去事实相反）。
I would rather he came tomorrow than today.
I’d rather I hadn’t met you．
在would rather后的宾语从句中
George is going to talk about the geography of his country, but I’d rather he _______ (focus) more on its culture.
解析：would rather后应用虚拟语气，表示与现在时间相反，用动词的过去式。答案是focused。
[典型例题]
focused
虚拟语气在 as if 从句中
在as if 从句中，常用虚拟形式，即表示与
现在事实相反，用过去式；与过去事实相
反用过去完成式 (had done).
一、as if 连接表语从句
She looked as if she were made of ice.
He looked as if he hadn’t slept for two days.
二、as if 连接让步状语从 句
She looked after the boy as if he were her own son.
He speaks to us as if he had been there.
虚拟语气中的几个特例
1. if only 意为“若是...那该多好啊；真希望...； 只要，只要...就好”，表示现在的情况，应用过去式；如果是过去的情况，应用过去完成时态
If only I had arrived in time!
If only she didn’t drive so fast.
2. It’s (high / right) time that…
that 从句要用虚拟语气，谓语用过去时或should + do
It’s time that you left / should leave here.
注意：
虚拟从句中常用were代替was;
在含有were的虚拟语气条件句中，if可以被省略，但这时从句要采用倒装语序。
If I were to meet him tomorrow, I should ask him about it.
Were I to meet him tomorrow, I should ask him about it.
3. 不是所有的条件句都用虚拟语气，有可
能发生的假设不用虚拟语气，而用相应
的时态表达与过去、现在或将来有关的
假设。
It is raining. If you go out, you’ll get wet.
If he ________ (call) me tomorrow, I would let him know.
2. She’s talking about Australia as if she ?_________ (be) there, while actually she has never left her hometown.
3. Julia feels lonely in this city and wishes
she _________ (live) with her parents.
Fill in the blanks with the proper form of the given words..
should call
had been
were living
4. I wish I ________ (meet) my uncle yesterday.
5. If only I ________ (listen) to my parents’ advice!
6. If it __________ (rain) next week, the farmers could still have a good harvest.
had met
had listened
should rain
1. If everyone knew first aid, many lives
_______ _______ _______(得救).
2. I wish I ________ (拥有) the kind of power Spiderman has.
3. If it _______ (下雪) tomorrow, they
would stay at home.
4. ____ _____ ____ _____ ______ (如果你来) tomorrow evening, you could see him.
Complete the sentences.
would be saved
had
snowed
If you were to come