人教版（2019）选修三 Unit 1 Art grammar 语法：动词不定式做表语（14张PPT）
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| 名称 | 人教版（2019）选修三 Unit 1 Art grammar 语法：动词不定式做表语（14张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 1.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-03-15 16:33:39 | ||
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(共14张PPT)
选择性必修三
Unit 1 Art
Discover useful structures
动词不定式作表语
Infinitives as the predicative
(1)Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries.
(2)During the Middle Ages，the purpose of Western art was to teach people about Christianity.
(3)In this work，Monet’s aim was to convey the light and movement in the scene...
(4)What they attempted to do was no longer show reality, but...
在以上句子中，动词不定式都是作 ，表示具体的事情或将要发生的事情。
表语
感知原文
归纳一：主语是以________________, ____ , _________, duty, suggestion,duty,hope,idea,intention,plan等为中心的名词词组时，一般用动词不定式作表语说明主语的内容。
aim
(1)Perhaps the best way to understand Western art is to look...
(2)..., the purpose of Western art was to teach people about Christianity.
(3)In this work，Monet’s aim was to convey ...
the best way
purpose
动词不定式(短语)作表语的用法
1.Who is to blame for the fire.
2.Something is still to find out.
归纳二：
动词不定式作表语时，可用_ __形式表示被动意义。
主动
动词不定式(短语)作表语时，在以下几种情况下to do中to可省略:
1. all作主句主语,其后的定语从句中含有实义动词do的某种形式时。
All we need to do is live each day with hope.我们需要做的就是带着希望过好每一天。
归纳三：动词不定式(短语)作表语省略to的情况
2.what引导的从句作主语,从句中含有实义动词do的某种形式时。
What I want to do is take a holiday right away.
我想马上就去度假。
3.(主句)主语被only,first,one,least或形容词最高级修饰,且其后作定语的从句或短语中含有实义动词do的某种形式时。
In the evening the only thing he did was read the newspaper.晚上他唯一做的就是看报纸。
易错点：
have no choice/alternative but to do;
have nothing to do but do
eg:
You have no choice/alternative but to do the work.
I have nothing to do but sleep all the time.
1.动词不定式(短语)和v-ing(短语)作表语时,要注意与句子的主语在形式上保持一致。
To see is to believe. = Seeing is believing.眼见为实。
归纳四：动词不定式(短语)作表语和v-ing (短语)作表语的区别
2.动词不定式(短语)和v-ing(短语)作表语时可换用,但以下情况除外:
(1)当主语是wish， dream，plan，aim等表示将来要做的事情时,通常用动词不定式(短语)作表语。
Her best wish is to put her new ideas into practice.
她最大的愿望是将自己的新想法付诸实践。
注意：wish， dream，plan，aim等词后面,也通常用动词不定式(短语)作后置定语。
（2019全国卷2）Picking up her “ Lifetime Achievement”award, proud Irene declared she had no plans to retire from her 36-year-old business.
(2)若动词强调一般性的经常做的事情用v-ing,如果是具体的一次性的动作用to do做表语。
My favorite sport is swimming.
My plan in this holiday is to swim.
Thank you
选择性必修三
Unit 1 Art
Discover useful structures
动词不定式作表语
Infinitives as the predicative
(1)Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries.
(2)During the Middle Ages，the purpose of Western art was to teach people about Christianity.
(3)In this work，Monet’s aim was to convey the light and movement in the scene...
(4)What they attempted to do was no longer show reality, but...
在以上句子中，动词不定式都是作 ，表示具体的事情或将要发生的事情。
表语
感知原文
归纳一：主语是以________________, ____ , _________, duty, suggestion,duty,hope,idea,intention,plan等为中心的名词词组时，一般用动词不定式作表语说明主语的内容。
aim
(1)Perhaps the best way to understand Western art is to look...
(2)..., the purpose of Western art was to teach people about Christianity.
(3)In this work，Monet’s aim was to convey ...
the best way
purpose
动词不定式(短语)作表语的用法
1.Who is to blame for the fire.
2.Something is still to find out.
归纳二：
动词不定式作表语时，可用_ __形式表示被动意义。
主动
动词不定式(短语)作表语时，在以下几种情况下to do中to可省略:
1. all作主句主语,其后的定语从句中含有实义动词do的某种形式时。
All we need to do is live each day with hope.我们需要做的就是带着希望过好每一天。
归纳三：动词不定式(短语)作表语省略to的情况
2.what引导的从句作主语,从句中含有实义动词do的某种形式时。
What I want to do is take a holiday right away.
我想马上就去度假。
3.(主句)主语被only,first,one,least或形容词最高级修饰,且其后作定语的从句或短语中含有实义动词do的某种形式时。
In the evening the only thing he did was read the newspaper.晚上他唯一做的就是看报纸。
易错点：
have no choice/alternative but to do;
have nothing to do but do
eg:
You have no choice/alternative but to do the work.
I have nothing to do but sleep all the time.
1.动词不定式(短语)和v-ing(短语)作表语时,要注意与句子的主语在形式上保持一致。
To see is to believe. = Seeing is believing.眼见为实。
归纳四：动词不定式(短语)作表语和v-ing (短语)作表语的区别
2.动词不定式(短语)和v-ing(短语)作表语时可换用,但以下情况除外:
(1)当主语是wish， dream，plan，aim等表示将来要做的事情时,通常用动词不定式(短语)作表语。
Her best wish is to put her new ideas into practice.
她最大的愿望是将自己的新想法付诸实践。
注意：wish， dream，plan，aim等词后面,也通常用动词不定式(短语)作后置定语。
（2019全国卷2）Picking up her “ Lifetime Achievement”award, proud Irene declared she had no plans to retire from her 36-year-old business.
(2)若动词强调一般性的经常做的事情用v-ing,如果是具体的一次性的动作用to do做表语。
My favorite sport is swimming.
My plan in this holiday is to swim.
Thank you