高考英语语法—it用法课件（27张PPT）
文档属性
| 名称 | 高考英语语法—it用法课件（27张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 567.9KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2020-04-06 19:33:15 | ||
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文档简介
(共27张PPT)
it用法
英语语法专题
4
it其他句型
3
it强调句型
2
it作形式主语和宾语
1
it用作代词
考点
it作代词
01
PART ONE
it作代词
it作指代
1.表示时间、天气、距离、环境等
It was very cold last Monday.
It is about 8:30 now.
It is about an hour's drive from my home to my grandpa's.
2.指婴儿或性别不明未确定身份的人
What a lovely baby! Is it a boy or a girl?
There is a knock on the door. It must be the postman.
3.指上文提到的事件或事物
I dropped my watch and it broke.
1. ______is only about 350 kilometers from Changsha to Wuhan.
2. ______is 10 o'clock now. We had better have our eyes relaxed.
3.—“Hello! Who is _______ (speaking)?”
—“_______ is John (speaking).
4.—Helen, ______ is Tom.
—Nice to meet you.
5. ________is a pen on the table.
6. Someone is ringing the doorbell. Go and see who _______ is.
It
It
that
This
this
There
it
it/ this/ that/ there
it 指代上文提到的事物或事件，表特指的单数可数名词或不可数名词，即“同类又同物”; 可数复数用they。
one表示“同类泛指”, 只能代替可数名词单数，相当于a/an+可数名词单数，前面还可以有修饰词作其定语；复数用ones。the one替代前面的单数名词，表示特指，往往其后带定语，复数是the ones。
that 表示“同类不同物”，替代前文出现的表特指的可数名词单数或不可数名词，相当于the one，可数复数用those，常用于比较结构。
it/ one/ that
1.Blue could actually promotes sleep because _____ sends calming messages to the brain.
2.The population in China is much larger than ____ in Japan.
3.Few pleasures can equal ____ of a cool drink on a hot day.
4.However mean your life is, meet _____ and live _____.
5.Meeting my uncle after all these years was an unforgettable moment, ________ I will always treasure.
6.I had a good pen, but I lost _____ yesterday. I'll buy _____ tomorrow.
7.I like this house with a garden in front, but I don't have enough money to buy _______.
8.Life today is better than ______ in the old days.
it/ one/ that
it
that
that
it
it
it
one
it
that
one
it作形式主语和宾语
02
PART ONE
1.To know China successfully launched two Beidou navigation satellites into space in September is exciting.
→It is exciting to know China successfully launched two Beidou navigation satellites into space in September.
2.The teacher has made that students are banned from bringing cellphones to school clear.
→The teacher has made it clear that students are banned from bringing cellphones to school.
it作形式主语和形式宾语
it作形式主语
1.It is/ was +adj. (for/ of sb.) to do sth./ that 从句
It is difficult for us to finish the task in such limited time.
It is considerate of you to remind me of the meeting.
It is amazing that so many great works of art from the late 19th century to the 21st century are housed in the same museum.
It is important that you (should) have a good knowledge of Tang Poetry.
2.It is/ was + n. (a pity/a shame/an honor/ no wonder)+that...
It is a pity that such a thing should happen in your class.
It is a great honor that I can stand here to give you a speech.
it作形式主语
3.It is/ was +v-ed+ that 从句
①It is said (reported, learned, known, believed,...) + that…
It is said that (据说) he has come to Beijing.
_________________ (据报道)another earth satellite has been put into orbit.
②It is suggested ( ordered, demanded, insisted, required, commanded,...) + that …
It was ordered that we (should) arrive there in two hours.
________________ (据建议)the meeting ( should ) be put off.
It is reported that
It is suggested that
it作形式主语
4.It takes sb. some time/ energy/ effort to do sth.
It took thousands of people many years to build the Great Wall.
他们花了大约半个小时才算出这道数学难题。
It took them about half an hour to work out the difficult math problem.
5.It looks (seems, appears, happens) that…?似乎/碰巧……
It seems that no one knows what has happened in the park.
It happened that both of them were at there.
it作形式主语
6.It is no good/ use/ fun/ useless/ worthwhile + doing sth.
It is no good learning English without speaking English.
It is no use crying over spilt milk.
It's no fun eating on your own.
It is worthwhile visiting/ to visit the Great Wall.
7.It is up to sb to do sth. 该由某人做某事
It's up to you to make the choice. 得由你来作选择。
8.It hit/ struck/ occurred to sb that...某人突然想到...
It suddenly hit me that traditional culture like tea culture was of great charm and huge value.
it作形式宾语
1.It 常可代替不定式（短语）、动名词（短语）或从句在句中作形式宾语，而将真正的宾语放在句子后面。为方便记忆，我们可将it 作形式宾语的句型称为"6123结构"。
6指主句中常用的动词：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；
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。
They found it difficult to finish their work in two days.
We feel it no use complaining.
He thinks it important that you (should) learn English well.
it作形式宾语
1.我发现彼此沟通非常重要。
I find it important to communicate with each other.
2.他非常清楚地表示他对那门学科不感兴趣。
He made it clear that he was not interested in this subject.
3.我认为保护环境是我们的职责。
I think it our duty to protect the environment.
it作形式宾语
2.V (phrase) + it + that/ when/ if clause
常用在此结构中的动词（短语）有：
enjoy, like, appreciate, love, dislike, hate, depend on, count on, rely on, see to(注意), answer for(负责) 等。
You can depend on it that I will keep my promise.
See to it that the goods are kept well.
He hates it when people laugh at the disabled.
I like it in the autumn when the weather is clear and bright.
I would appreciate it if you could give me a hand.
I can't answer for it that he will come. 我不能保证他会来。
it作形式宾语
3.V+ it + to sb. + that…
常用的句型有：
owe it to sb. that… 把…归功于…
leave it to sb. that… 把…留给某人去做…
take it for granted that… 认为…理所当然的
keep it in mind that… 把…记在心里…
We owe it to you that we finished the work on time.
I leave it to your own judgment whether you should do it.
We took it for granted that they would agree to our advice.
03
PART ONE
it强调句型
it强调句型
1.It is/ was+被强调部分+that(强调人时可用who)+句子剩余部分
Britain exited from the EU on Jan. 31st, 2020 after about three years' struggling.
强调主语：
It was Britain that exited from the EU on Jan. 31st, 2020 after about three years' struggling.
强调宾语：
It was the EU that Britain existed from on Jan. 31st, 2020 after about three years' struggling.
强调状语：
It was on Jan. 31st, 2020 that Britain existed from the EU after about three years' struggling.
It was after three years' struggling that Britain existed from the EU on Jan. 31st, 2020.
it强调句型
2.It is/ was not until + 被强调的部分+ that…
I didn't realize she was a famous film star until she took off her dark glasses.
Not until she took off her dark classes did I realize she was a famous film star.
It was not until she took off her dark glasses that I realized she was a famous film star.
3.强调句与定语从句的组合
是在我昨天吃饭的餐馆我丢了我的钱包。
It was in the restaurant where I had dinner yesterday that I lost my wallet.
04
PART ONE
it其他句型
it其他句型
结构 从句中的谓语动词形式 含义
It's time (that)+从句 did/ should do 该是做某事的时候了
It is/ was the first time + (that) 从句 have/ has done/ had done 某人第一次/二次/...做某事
It is/ was +时间点+when引导的定语从句 做某事的时间是什么时间
It is/ has been +时间段+ since从句 did (到现在为止)做某事已有多长时间了
It will/ may not be+时间段+ before从句 do/ does 没过多久时间就...
It will be +时间段+before do/ does 要过了多长时间才...
1.It is high time ______ we stopped pollution
2.It was the third time _______ he had asked the same question.
3. It was October 1st, 1949 ______ the People's Republic of China was founded.
4.It is two years _______ Paula came to China.
5. It may not be five or six months _________ the new medicine is tested on human beings.
6. It will be another 14 days ________ we come back to school.
it其他句型
that
that
when
since
before
before
① It is never too old to learn.
② It is the first step that costs.
③ It is better to be safe than sorry.
④ It never rains but it pours(泼水).
⑤ It is easy to open a shop but hard to keep it always open.
⑥ It takes three generations to make a gentleman.
⑦It takes all sorts.
⑧It is an ill bird that fouls(弄脏) its own nest.
Proverbs with “It”
活到老，学到老。
万事开头难。
创业容易守业难。
十年树木，百年树人。
什么样的人都有。
家丑不可外扬
不雨则已，一雨倾盆（真是祸不单行）。
事后追悔不如事前稳妥。
1.显然，早该采取一些积极的措施来解决问题。
2.很荣幸代表我们班级邀请您参加新年晚会。
3.如在方便时候能回复，将不胜感激。
4.你最好养成每天晚上睡前阅读的习惯。
5.是你的耐心指导让我取得这么大的进步。
6.无可否认，在过去的30年间，中国发生了很大的变化。
7.这是我第一次跨出国门，踏上异国土地。
8.我们从第一中学毕业已经十年了。
9.据说教授已经成功完成了这个实验。
10.过了一段时间我们才意识到真相。? ? ?
活学活用——句子翻译
1.显然，早该采取一些积极的措施来解决问题。
Obviously, it is high/(about) time that we took some effective measures to solve the problem. ?
2.很荣幸代表我们班级邀请您参加新年晚会。
It is a great honor for me to invite you to join in the New Year Party on behalf of our class.
3.如在方便时候能回复，将不胜感激。
I would really appreciate it if you could reply at your convenience.
4.你最好养成每天晚上睡前阅读的习惯。
You'd better make it rule to read before going to bed. ?
5.是你的耐心指导让我取得这么大的进步。
It was your patient guidance that enabled me to make such great progress. ?
活学活用——句子翻译
6.无可否认，在过去的30年间，中国发生了很大的变化。 ? ? ?
It cannot be denied that great changes have taken place in China in the past 30 years.
7.这是我第一次跨出国门，踏上异国土地。
It is the first time that I have left my country and set foot on foreign soil.
8.我们从第一中学毕业已经十年了。
It is / has been ten years since we graduated from the No.1 High School.
9.据说教授已经成功完成了这个实验。
It is said that the professor has already succeeded in carrying out the experiment.
10.过了一段时间我们才意识到真相。
It was some time before we realized the truth.
活学活用——句子翻译
it用法
英语语法专题
4
it其他句型
3
it强调句型
2
it作形式主语和宾语
1
it用作代词
考点
it作代词
01
PART ONE
it作代词
it作指代
1.表示时间、天气、距离、环境等
It was very cold last Monday.
It is about 8:30 now.
It is about an hour's drive from my home to my grandpa's.
2.指婴儿或性别不明未确定身份的人
What a lovely baby! Is it a boy or a girl?
There is a knock on the door. It must be the postman.
3.指上文提到的事件或事物
I dropped my watch and it broke.
1. ______is only about 350 kilometers from Changsha to Wuhan.
2. ______is 10 o'clock now. We had better have our eyes relaxed.
3.—“Hello! Who is _______ (speaking)?”
—“_______ is John (speaking).
4.—Helen, ______ is Tom.
—Nice to meet you.
5. ________is a pen on the table.
6. Someone is ringing the doorbell. Go and see who _______ is.
It
It
that
This
this
There
it
it/ this/ that/ there
it 指代上文提到的事物或事件，表特指的单数可数名词或不可数名词，即“同类又同物”; 可数复数用they。
one表示“同类泛指”, 只能代替可数名词单数，相当于a/an+可数名词单数，前面还可以有修饰词作其定语；复数用ones。the one替代前面的单数名词，表示特指，往往其后带定语，复数是the ones。
that 表示“同类不同物”，替代前文出现的表特指的可数名词单数或不可数名词，相当于the one，可数复数用those，常用于比较结构。
it/ one/ that
1.Blue could actually promotes sleep because _____ sends calming messages to the brain.
2.The population in China is much larger than ____ in Japan.
3.Few pleasures can equal ____ of a cool drink on a hot day.
4.However mean your life is, meet _____ and live _____.
5.Meeting my uncle after all these years was an unforgettable moment, ________ I will always treasure.
6.I had a good pen, but I lost _____ yesterday. I'll buy _____ tomorrow.
7.I like this house with a garden in front, but I don't have enough money to buy _______.
8.Life today is better than ______ in the old days.
it/ one/ that
it
that
that
it
it
it
one
it
that
one
it作形式主语和宾语
02
PART ONE
1.To know China successfully launched two Beidou navigation satellites into space in September is exciting.
→It is exciting to know China successfully launched two Beidou navigation satellites into space in September.
2.The teacher has made that students are banned from bringing cellphones to school clear.
→The teacher has made it clear that students are banned from bringing cellphones to school.
it作形式主语和形式宾语
it作形式主语
1.It is/ was +adj. (for/ of sb.) to do sth./ that 从句
It is difficult for us to finish the task in such limited time.
It is considerate of you to remind me of the meeting.
It is amazing that so many great works of art from the late 19th century to the 21st century are housed in the same museum.
It is important that you (should) have a good knowledge of Tang Poetry.
2.It is/ was + n. (a pity/a shame/an honor/ no wonder)+that...
It is a pity that such a thing should happen in your class.
It is a great honor that I can stand here to give you a speech.
it作形式主语
3.It is/ was +v-ed+ that 从句
①It is said (reported, learned, known, believed,...) + that…
It is said that (据说) he has come to Beijing.
_________________ (据报道)another earth satellite has been put into orbit.
②It is suggested ( ordered, demanded, insisted, required, commanded,...) + that …
It was ordered that we (should) arrive there in two hours.
________________ (据建议)the meeting ( should ) be put off.
It is reported that
It is suggested that
it作形式主语
4.It takes sb. some time/ energy/ effort to do sth.
It took thousands of people many years to build the Great Wall.
他们花了大约半个小时才算出这道数学难题。
It took them about half an hour to work out the difficult math problem.
5.It looks (seems, appears, happens) that…?似乎/碰巧……
It seems that no one knows what has happened in the park.
It happened that both of them were at there.
it作形式主语
6.It is no good/ use/ fun/ useless/ worthwhile + doing sth.
It is no good learning English without speaking English.
It is no use crying over spilt milk.
It's no fun eating on your own.
It is worthwhile visiting/ to visit the Great Wall.
7.It is up to sb to do sth. 该由某人做某事
It's up to you to make the choice. 得由你来作选择。
8.It hit/ struck/ occurred to sb that...某人突然想到...
It suddenly hit me that traditional culture like tea culture was of great charm and huge value.
it作形式宾语
1.It 常可代替不定式（短语）、动名词（短语）或从句在句中作形式宾语，而将真正的宾语放在句子后面。为方便记忆，我们可将it 作形式宾语的句型称为"6123结构"。
6指主句中常用的动词：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；
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。
They found it difficult to finish their work in two days.
We feel it no use complaining.
He thinks it important that you (should) learn English well.
it作形式宾语
1.我发现彼此沟通非常重要。
I find it important to communicate with each other.
2.他非常清楚地表示他对那门学科不感兴趣。
He made it clear that he was not interested in this subject.
3.我认为保护环境是我们的职责。
I think it our duty to protect the environment.
it作形式宾语
2.V (phrase) + it + that/ when/ if clause
常用在此结构中的动词（短语）有：
enjoy, like, appreciate, love, dislike, hate, depend on, count on, rely on, see to(注意), answer for(负责) 等。
You can depend on it that I will keep my promise.
See to it that the goods are kept well.
He hates it when people laugh at the disabled.
I like it in the autumn when the weather is clear and bright.
I would appreciate it if you could give me a hand.
I can't answer for it that he will come. 我不能保证他会来。
it作形式宾语
3.V+ it + to sb. + that…
常用的句型有：
owe it to sb. that… 把…归功于…
leave it to sb. that… 把…留给某人去做…
take it for granted that… 认为…理所当然的
keep it in mind that… 把…记在心里…
We owe it to you that we finished the work on time.
I leave it to your own judgment whether you should do it.
We took it for granted that they would agree to our advice.
03
PART ONE
it强调句型
it强调句型
1.It is/ was+被强调部分+that(强调人时可用who)+句子剩余部分
Britain exited from the EU on Jan. 31st, 2020 after about three years' struggling.
强调主语：
It was Britain that exited from the EU on Jan. 31st, 2020 after about three years' struggling.
强调宾语：
It was the EU that Britain existed from on Jan. 31st, 2020 after about three years' struggling.
强调状语：
It was on Jan. 31st, 2020 that Britain existed from the EU after about three years' struggling.
It was after three years' struggling that Britain existed from the EU on Jan. 31st, 2020.
it强调句型
2.It is/ was not until + 被强调的部分+ that…
I didn't realize she was a famous film star until she took off her dark glasses.
Not until she took off her dark classes did I realize she was a famous film star.
It was not until she took off her dark glasses that I realized she was a famous film star.
3.强调句与定语从句的组合
是在我昨天吃饭的餐馆我丢了我的钱包。
It was in the restaurant where I had dinner yesterday that I lost my wallet.
04
PART ONE
it其他句型
it其他句型
结构 从句中的谓语动词形式 含义
It's time (that)+从句 did/ should do 该是做某事的时候了
It is/ was the first time + (that) 从句 have/ has done/ had done 某人第一次/二次/...做某事
It is/ was +时间点+when引导的定语从句 做某事的时间是什么时间
It is/ has been +时间段+ since从句 did (到现在为止)做某事已有多长时间了
It will/ may not be+时间段+ before从句 do/ does 没过多久时间就...
It will be +时间段+before do/ does 要过了多长时间才...
1.It is high time ______ we stopped pollution
2.It was the third time _______ he had asked the same question.
3. It was October 1st, 1949 ______ the People's Republic of China was founded.
4.It is two years _______ Paula came to China.
5. It may not be five or six months _________ the new medicine is tested on human beings.
6. It will be another 14 days ________ we come back to school.
it其他句型
that
that
when
since
before
before
① It is never too old to learn.
② It is the first step that costs.
③ It is better to be safe than sorry.
④ It never rains but it pours(泼水).
⑤ It is easy to open a shop but hard to keep it always open.
⑥ It takes three generations to make a gentleman.
⑦It takes all sorts.
⑧It is an ill bird that fouls(弄脏) its own nest.
Proverbs with “It”
活到老，学到老。
万事开头难。
创业容易守业难。
十年树木，百年树人。
什么样的人都有。
家丑不可外扬
不雨则已，一雨倾盆（真是祸不单行）。
事后追悔不如事前稳妥。
1.显然，早该采取一些积极的措施来解决问题。
2.很荣幸代表我们班级邀请您参加新年晚会。
3.如在方便时候能回复，将不胜感激。
4.你最好养成每天晚上睡前阅读的习惯。
5.是你的耐心指导让我取得这么大的进步。
6.无可否认，在过去的30年间，中国发生了很大的变化。
7.这是我第一次跨出国门，踏上异国土地。
8.我们从第一中学毕业已经十年了。
9.据说教授已经成功完成了这个实验。
10.过了一段时间我们才意识到真相。? ? ?
活学活用——句子翻译
1.显然，早该采取一些积极的措施来解决问题。
Obviously, it is high/(about) time that we took some effective measures to solve the problem. ?
2.很荣幸代表我们班级邀请您参加新年晚会。
It is a great honor for me to invite you to join in the New Year Party on behalf of our class.
3.如在方便时候能回复，将不胜感激。
I would really appreciate it if you could reply at your convenience.
4.你最好养成每天晚上睡前阅读的习惯。
You'd better make it rule to read before going to bed. ?
5.是你的耐心指导让我取得这么大的进步。
It was your patient guidance that enabled me to make such great progress. ?
活学活用——句子翻译
6.无可否认，在过去的30年间，中国发生了很大的变化。 ? ? ?
It cannot be denied that great changes have taken place in China in the past 30 years.
7.这是我第一次跨出国门，踏上异国土地。
It is the first time that I have left my country and set foot on foreign soil.
8.我们从第一中学毕业已经十年了。
It is / has been ten years since we graduated from the No.1 High School.
9.据说教授已经成功完成了这个实验。
It is said that the professor has already succeeded in carrying out the experiment.
10.过了一段时间我们才意识到真相。
It was some time before we realized the truth.
活学活用——句子翻译