2022届高考英语二轮复习：it用法课件（24张）
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| 名称 | 2022届高考英语二轮复习：it用法课件（24张） |  | |
| 格式 | pptx | ||
| 文件大小 | 124.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-05-02 22:49:35 | ||
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(共24张PPT)
It的用法归纳
It的用法归纳：
1、指代的作用
2、形式主语/宾语
3、强调句
4、与it相关的句型
1、指代的作用
① 人称代词，代替前文提到的人或事。
This bike is not mine. It’s Peter’s.
—Is the baby a boy or a girl
—It’s a boy.
注意：it, that, one都可代替前面提到的人或事
it 用来代替前面提到的可数名词，所指的是事物本身；
that 用来代替不可数名词，或代替特指的单数可数名词；
one 代替前面出现过的单数可
数名词，泛指
I can’t find my pen anywhere. I must have lost it.
Life today is much better than that in the old days.
I can’t find my pen. I’m going to buy one.
② 用以代替提示代词this, that
— What is this
— It’s a pen.
— Whose pen is that
— It’s Jim’s.
③ 指代性别不明或性别被认为不重要的人。
—Who is knocking at the door
—It’s me.
Whose baby is it It’s very lovely.
④ 指天气、时间、距离、自然环境等。
* It was very cold in winter.
* It’s seven o’clock.
* What a long way it is from Beijing to London!
* It was quiet at night.
⑤ it 指代整个句子所表达的意思。
She failed the exam and it made her parents worried.
对比：
She failed the exam, which made her parents worried.
⑥ 某些短语中, it 无具体含义
Do you like it here
I can make it.
take it easy 慢慢来；
that’s it 就这样，这就对了
get it 明白
2、形式主语/宾语
It is not easy to finish it in 2 days.
It is no use arguing with him.
It is clear that he didn’t know it.
I don’t think it easy to study English. I think it no use arguing with him.
He made it clear that he didn’t know it.
注意①
see to it that…（务必,确保)
take it for granted that…
(想当然, 认为理所当然)
Can you see to it that everything is ready
I just took it for granted that he would always help us.
注意②
I hate it when people talk with their mouth full.
hate/ dislike/ like /love/ enjoy/ prefer/ appreciate
+ 形式宾语it
+ 真正的宾语
注意③ 主语从句中的虚拟语气
It is necessary/ important/ strange that sb. (should) do sth.
It is a pity/ a shame that sb. (should) do sth.
It is required/ suggested/ desired / requested/ proposed/ ordered/ that sb. (should) do sth.
3、it 用于强调句
It was an old friend who/ that/ whom I met in the park yesterday.
It was in the park that I met an old friend yesterday.
It was yesterday that I met an old friend in the park.
4、与it相关的句型
① It was + 某一时刻 +when…
“当……的时候，时间是……”
It was 6:00 when I came home.
4、与it相关的句型
② It was + 一段时间 + before…
“过了多久才/就……”
It will be + 一段时间 + before…
“要过多久才/就……”
It was an hour before I came back.
It will be an hour before I come back.
4、与it相关的句型
③ It is /has been + 一段时间 +since… “自从……有多久”
注意：句中用 is 或 has been 均可
It is 3 years since he was a soldier.
It is 3 years since he joined the army.
他退伍已三年了。
他入伍已三年了。
It is 3 years since I worked there.
It is 3 years since I began to work there.
我不在那工作已三年了。
我在那工作已三年了。
since 从句中的谓语动词为短暂性动词时，意为：从这一动作开始以来有多久。
而当动词为延续性动词时，则表示：不做该动作（即动作的结束）以来有多久。
④ 在表示“第几次做某事”时，注意时态的使用
It is the first time that I have visited Beijing.
It was the first time that I had visited Beijing.
⑤ It is ( high ) time that …
“该做某事的时候到了”
It is high time that I went to school.
It is high time that I should go to school.
⑥ It is likely that …
“很可能……”
It looks as if …
It seems /appears that …
It is no wonder that …
It的用法归纳
It的用法归纳：
1、指代的作用
2、形式主语/宾语
3、强调句
4、与it相关的句型
1、指代的作用
① 人称代词，代替前文提到的人或事。
This bike is not mine. It’s Peter’s.
—Is the baby a boy or a girl
—It’s a boy.
注意：it, that, one都可代替前面提到的人或事
it 用来代替前面提到的可数名词，所指的是事物本身；
that 用来代替不可数名词，或代替特指的单数可数名词；
one 代替前面出现过的单数可
数名词，泛指
I can’t find my pen anywhere. I must have lost it.
Life today is much better than that in the old days.
I can’t find my pen. I’m going to buy one.
② 用以代替提示代词this, that
— What is this
— It’s a pen.
— Whose pen is that
— It’s Jim’s.
③ 指代性别不明或性别被认为不重要的人。
—Who is knocking at the door
—It’s me.
Whose baby is it It’s very lovely.
④ 指天气、时间、距离、自然环境等。
* It was very cold in winter.
* It’s seven o’clock.
* What a long way it is from Beijing to London!
* It was quiet at night.
⑤ it 指代整个句子所表达的意思。
She failed the exam and it made her parents worried.
对比：
She failed the exam, which made her parents worried.
⑥ 某些短语中, it 无具体含义
Do you like it here
I can make it.
take it easy 慢慢来；
that’s it 就这样，这就对了
get it 明白
2、形式主语/宾语
It is not easy to finish it in 2 days.
It is no use arguing with him.
It is clear that he didn’t know it.
I don’t think it easy to study English. I think it no use arguing with him.
He made it clear that he didn’t know it.
注意①
see to it that…（务必,确保)
take it for granted that…
(想当然, 认为理所当然)
Can you see to it that everything is ready
I just took it for granted that he would always help us.
注意②
I hate it when people talk with their mouth full.
hate/ dislike/ like /love/ enjoy/ prefer/ appreciate
+ 形式宾语it
+ 真正的宾语
注意③ 主语从句中的虚拟语气
It is necessary/ important/ strange that sb. (should) do sth.
It is a pity/ a shame that sb. (should) do sth.
It is required/ suggested/ desired / requested/ proposed/ ordered/ that sb. (should) do sth.
3、it 用于强调句
It was an old friend who/ that/ whom I met in the park yesterday.
It was in the park that I met an old friend yesterday.
It was yesterday that I met an old friend in the park.
4、与it相关的句型
① It was + 某一时刻 +when…
“当……的时候，时间是……”
It was 6:00 when I came home.
4、与it相关的句型
② It was + 一段时间 + before…
“过了多久才/就……”
It will be + 一段时间 + before…
“要过多久才/就……”
It was an hour before I came back.
It will be an hour before I come back.
4、与it相关的句型
③ It is /has been + 一段时间 +since… “自从……有多久”
注意：句中用 is 或 has been 均可
It is 3 years since he was a soldier.
It is 3 years since he joined the army.
他退伍已三年了。
他入伍已三年了。
It is 3 years since I worked there.
It is 3 years since I began to work there.
我不在那工作已三年了。
我在那工作已三年了。
since 从句中的谓语动词为短暂性动词时，意为：从这一动作开始以来有多久。
而当动词为延续性动词时，则表示：不做该动作（即动作的结束）以来有多久。
④ 在表示“第几次做某事”时，注意时态的使用
It is the first time that I have visited Beijing.
It was the first time that I had visited Beijing.
⑤ It is ( high ) time that …
“该做某事的时候到了”
It is high time that I went to school.
It is high time that I should go to school.
⑥ It is likely that …
“很可能……”
It looks as if …
It seems /appears that …
It is no wonder that …