2023届高三英语二轮复习：it用法课件 （25张）
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| 名称 | 2023届高三英语二轮复习：it用法课件 （25张） |  | |
| 格式 | pptx | ||
| 文件大小 | 6.5MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-09-29 11:32:11 | ||
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(共25张PPT)
Grammar:The usage of it
Leading-in & Warming up
1. It never rains but it pours ！
2. It takes two to make a quarrel.
3. All time is no time when it is past.
4. It’s the thought that is the most important.
5. It is no use crying over spilt milk.
不鸣则已，一鸣惊人
一个巴掌拍不响
机不可失，时不再来。
礼轻情意重。
覆水难收。
Brainstorming
Think about the use of “it” according to the above video clip and proverbs.
Step 2 Grammar learning
Next, let's study the usage of It more deeply and carefully. Please take notes in detail.
1.基本用法:
1.it作人称代词 ( a personal pronoun)
1.1.it的最基本用法是作人称代词，主要指刚提到的事物，以避免重复:（The most basic use of it is a personal pronoun, mainly referring to something that has just been mentioned, to avoid repetition:）
1.2.也可以指动物或婴儿(未知性别的婴儿或孩子):（It can also refer to an animal or a baby (an infant or child of unknown sex)
1.3.也可指抽象事物:(It can also refer to something abstract)
1.基本用法:
BACK
2.非人称代词it(It is used as a non-personal pronoun)
2.1.指天气：
2.2.指时间:
2.3.指环境:
3.作指示代词可用来代替this ,that.
(It can be used as a demonstrative pronoun instead of this,that.)
充当”形式主语”的It
“It” is used in the subject position.
What can be substituted for the formal subject, and then, from this point of view, let's explore it.
Exploration
2. it 用作形式主语
1). It takes sb. ... to do sth. ＂做．．．要花费某人．．＂
2). It is kind to do sth.
3). It is necessary to do sth
4).It +is /was + a pity to do sth.
2.1 作形式主语替代不定式(It serves as formal subject instead of the infinitive)
( of sb. )
( for sb. )
( for sb. )
It’s important for us to study hard.
It is no good (use ) doing sth.
该句型中的真正主语是动名词短语，主句中的表语可以是no good,( not any good ),no use,( not any use ),no fun, useless,a waste of time +doing sth.
(The real subject of the sentence is the gerund phrase. The main verb sentence can be no good,(not any good), (not any use,),no fun, a waste of time d+doing sth)
2.2.作形式主语替代ing形式(As a formal subject in place of the ING form)
2. it 用作形式主语
It is no good learning English without speaking English.
It’s a waste of time doing such useless things.
1）It is + adj. +that从句
① It is clear ( obvious,true,possible,certain....) that .....
“清楚（显然，真的，肯定．．．）”
②. It is important ( necessary,right,strange,natural...) that ...
2. it 用作形式主语
2.3 代替主语从句(Substitute subject clause)
It is a pity that you didn’t attend the party.
2）It is +v-ed(past participle) +that 从句
① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。
②. It is suggested ( ordered/demanded/insisted/
commanded... ) that ...(subjunctive mood )
3) It happens (seems， looks， appears ) that...
4）It is a pity ( a shame ... ) that ...
5) ① It is time ( about time ，high time ) that ...
② It is the first ( second ... ) time that ...
It was the first ( second ... ) time that ...
2. it 用作形式主语
It is believed that reading increases our knowledge and broadens our mind.
充当”形式宾语”的 It
“It” is used in the Object position.
6指主句中常用的动词(A common verb in the main clause)：think,believe,make,find,consider,feel；
1指的是形式宾语it；
2指的是宾补的两种形式：形容词或名词；(Two forms of object complement: adjective or noun )
3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。 ( three forms of real objects: infinitive phrase, gerund phrase, or object clause that introduces.)
3. it作形式宾语
We think it important to learn a foreign language.
it 作形式宾语，称该句型为"6123结构"。
1. He feels it his duty to help others.
2. He made it clear that he didn’t want to talk about it.
3. He felt it no use learning English without speaking it.
他觉得帮助别人是他的职责。
他明确他不想谈论它。
他觉得学习英语不说它是没有用的。
The
Usage
of
“it”
基本用法
常见用法
特殊用法
三个句型
三个句型
形式宾语
形式主语
Try to draw the following conclusions about the usage of “it”.Take two representatives to the plantform and give a brief talk on the use of IT。
Step 3 Summing up
1．“It” is a very useful word and can be used in many ways.
2．The personal pronoun “it” can substitute something that is mentioned before.In some certain situations，“it” can stand for an unidentified person or a baby.
.
3．The impersonal pronoun “it” can be used to talk about time，distance、weather，etc.
4．“It” can act as a subject or object，while the real subject or object can be put backwards in the form of an infinitive，－ing form or a clause.
Conclusion
Step 4 Grammar practice
1、据报道，地震昨天在这个区域发生了
2、坐飞机到那花费了你多长时间？
3、他们向公众表明他们正在做一份重要且必要的工作。
4、这个月他去看医生已经是第六次了
5、自从我开始学英语已经5年了。
6、说什么也没有用了。
7、帮助你提高英语是我的职责。
8、众所周知吸烟有害健康。
Work in groups to translate these Chinese sentences into English and include IT in each sentence。
Possible answers
Homework
1.Collect as many phrases and the sentence patterns including “it” as you can .
2.Finish the exercises on your
piece of paper.
Thank you
for your listening !
Grammar:The usage of it
Leading-in & Warming up
1. It never rains but it pours ！
2. It takes two to make a quarrel.
3. All time is no time when it is past.
4. It’s the thought that is the most important.
5. It is no use crying over spilt milk.
不鸣则已，一鸣惊人
一个巴掌拍不响
机不可失，时不再来。
礼轻情意重。
覆水难收。
Brainstorming
Think about the use of “it” according to the above video clip and proverbs.
Step 2 Grammar learning
Next, let's study the usage of It more deeply and carefully. Please take notes in detail.
1.基本用法:
1.it作人称代词 ( a personal pronoun)
1.1.it的最基本用法是作人称代词，主要指刚提到的事物，以避免重复:（The most basic use of it is a personal pronoun, mainly referring to something that has just been mentioned, to avoid repetition:）
1.2.也可以指动物或婴儿(未知性别的婴儿或孩子):（It can also refer to an animal or a baby (an infant or child of unknown sex)
1.3.也可指抽象事物:(It can also refer to something abstract)
1.基本用法:
BACK
2.非人称代词it(It is used as a non-personal pronoun)
2.1.指天气：
2.2.指时间:
2.3.指环境:
3.作指示代词可用来代替this ,that.
(It can be used as a demonstrative pronoun instead of this,that.)
充当”形式主语”的It
“It” is used in the subject position.
What can be substituted for the formal subject, and then, from this point of view, let's explore it.
Exploration
2. it 用作形式主语
1). It takes sb. ... to do sth. ＂做．．．要花费某人．．＂
2). It is kind to do sth.
3). It is necessary to do sth
4).It +is /was + a pity to do sth.
2.1 作形式主语替代不定式(It serves as formal subject instead of the infinitive)
( of sb. )
( for sb. )
( for sb. )
It’s important for us to study hard.
It is no good (use ) doing sth.
该句型中的真正主语是动名词短语，主句中的表语可以是no good,( not any good ),no use,( not any use ),no fun, useless,a waste of time +doing sth.
(The real subject of the sentence is the gerund phrase. The main verb sentence can be no good,(not any good), (not any use,),no fun, a waste of time d+doing sth)
2.2.作形式主语替代ing形式(As a formal subject in place of the ING form)
2. it 用作形式主语
It is no good learning English without speaking English.
It’s a waste of time doing such useless things.
1）It is + adj. +that从句
① It is clear ( obvious,true,possible,certain....) that .....
“清楚（显然，真的，肯定．．．）”
②. It is important ( necessary,right,strange,natural...) that ...
2. it 用作形式主语
2.3 代替主语从句(Substitute subject clause)
It is a pity that you didn’t attend the party.
2）It is +v-ed(past participle) +that 从句
① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。
②. It is suggested ( ordered/demanded/insisted/
commanded... ) that ...(subjunctive mood )
3) It happens (seems， looks， appears ) that...
4）It is a pity ( a shame ... ) that ...
5) ① It is time ( about time ，high time ) that ...
② It is the first ( second ... ) time that ...
It was the first ( second ... ) time that ...
2. it 用作形式主语
It is believed that reading increases our knowledge and broadens our mind.
充当”形式宾语”的 It
“It” is used in the Object position.
6指主句中常用的动词(A common verb in the main clause)：think,believe,make,find,consider,feel；
1指的是形式宾语it；
2指的是宾补的两种形式：形容词或名词；(Two forms of object complement: adjective or noun )
3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。 ( three forms of real objects: infinitive phrase, gerund phrase, or object clause that introduces.)
3. it作形式宾语
We think it important to learn a foreign language.
it 作形式宾语，称该句型为"6123结构"。
1. He feels it his duty to help others.
2. He made it clear that he didn’t want to talk about it.
3. He felt it no use learning English without speaking it.
他觉得帮助别人是他的职责。
他明确他不想谈论它。
他觉得学习英语不说它是没有用的。
The
Usage
of
“it”
基本用法
常见用法
特殊用法
三个句型
三个句型
形式宾语
形式主语
Try to draw the following conclusions about the usage of “it”.Take two representatives to the plantform and give a brief talk on the use of IT。
Step 3 Summing up
1．“It” is a very useful word and can be used in many ways.
2．The personal pronoun “it” can substitute something that is mentioned before.In some certain situations，“it” can stand for an unidentified person or a baby.
.
3．The impersonal pronoun “it” can be used to talk about time，distance、weather，etc.
4．“It” can act as a subject or object，while the real subject or object can be put backwards in the form of an infinitive，－ing form or a clause.
Conclusion
Step 4 Grammar practice
1、据报道，地震昨天在这个区域发生了
2、坐飞机到那花费了你多长时间？
3、他们向公众表明他们正在做一份重要且必要的工作。
4、这个月他去看医生已经是第六次了
5、自从我开始学英语已经5年了。
6、说什么也没有用了。
7、帮助你提高英语是我的职责。
8、众所周知吸烟有害健康。
Work in groups to translate these Chinese sentences into English and include IT in each sentence。
Possible answers
Homework
1.Collect as many phrases and the sentence patterns including “it” as you can .
2.Finish the exercises on your
piece of paper.
Thank you
for your listening !