it的用法
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课件24张PPT。It’s time for class.It’s on her desk.It is Miss Qi who is rather careless.It is very important for me to be a careful person..
careful
person.The use of "It"It 用法归纳
一， 指代it
二， 形式it
三， 强调it
四， 含有it的句型
-What do you think of the movie?
-It’s one of the best movies that I’ve seen.
Who’s the lovely baby?
My father is Mr. Black.It’s Mr. Black’s. It
can be used as personal
pronouns , referring to the person, animal or matter mentioned above,
or the person who you are not
sure of gender.summary11.?it代替前面提到的同一事物,同名同物，表特指该事物既可以是可数名词也可以是不可数名词。? The?news?that?they?failed?their?driving?test?
upset ?him,?________??
A.?did?they B.?didn‘t?they
C.?did?it D.?didn’t?it? 特别注意： it,?one和that作替代词的用法及区别?
2. one 只替代可数名词的人或物，表示同名异物。
one 前后均可被定语修饰，
如：a / an + adj. + one，此时表泛指；
但 one 也可表示特指，此时只有当one 被this、that、the 等词修饰时。
e. g. —Do you have a dictionary?
—No, I don’t have one.
I don’t like this book. I’d like a more interesting one.
I hope it was as good as the one you lent me.
ones 是 one 的复数形式。其前后均可被定语修饰。
e. g. I want large ones, not small ones.
3.?that代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,=the +n要有后置定语,但不可以有前置修饰语。? those 是 that 的复数形式， ____ was a sunny day. Peter decided to go for a walk to the park, though _____ was two miles away. ___ was so comfortable to walk on the street. itItIt Suddenly ___began to rain. He found __ hard to walk there. Then he took a bus home. Unfortunately ___ went wrong. When he got home, he was wet through. Thus ___ was a day that he would never forget.ititititEg: It was a sunny day. Peter decided
to go for a walk to the park, though
it was two miles away. Summary 2 It can be used as impersonal
Pronouns非人称代词 to talk about time, date, distance or weather money and so on.1. It was so comfortable to walk on the
street.
It seems that nobody will vote for him.
3. He found it hard to walk there.Summary 3 “It” can be used in the subject
or object position to stand for
the infinitive or a clause.Eg:It was we who/ that called
on Professor Wang at his
office this morning.
It was Professor Wang
who we called on at his office this morning.It was at his office that we
called on Professor Wang
this morning.It was this morning that we
called on Professor Wang
at his office.
.对 not…until 进行强调
He didn’t realize his fault until he graduated from high school.
It was not until he graduated from high school that he realize his fault .
.区分强调句型与从句
It was in the river he often swam .
He came to the river he often swam.
It was on Sunday the stranges came to our village.
It was Sunday the stranges came to our villageIt is not until …… that…… 强调句型that Where 地点状语从句that 强调句型时间状语从句when It was ___ back home after the experiment.
A. not until midnight did he go
B. until midnight that he didn’t go
C. not until midnight that he went
D. until midnight when he didn’t go
In which play is ___ your brother appears?
A. that where B. this when C. it that D. it where
It was in the lab ___ was taken charge of by Professor Zhang ___ they did the experiment.
A. where; that B. which ; where
C. that ; where D. which; that强调句型被强调的部分是not until引导的时间 状语?强调句型用于疑问句, 被强调的部分是特殊疑问词或从句引导词
?In which play is it that…?It is …that…Is it …that…?I don’t know in which play it is that…强调句型和各种从句高考热点?
1. It is time ( about time ，high time ) that ... 从句应该用虚拟语气，① 常用过去时态表示虚拟．② 有时也用should + 动词原形，should 不能省，常译为＂是（正是）．．．的时侯．．．＂ It is time that children should go to bed. = It is time that children went to bed.
四，含有it的句型2. It is/was the first ( second ... ) time that ...
It is the first time I have been here. = This is the first time I have been here.
含有it的句型3.it常用在以下句型中：It is ＋时间段＋since ＋主语＋did非延动含有it的句型意思是“自从……以来已有一段时间”。It is two years since he joined the army.4. ?It?is…?since?+延续性动词的过去式
?“不做某事已经多久了”
例。?It‘s?10?years?since he?smoked.含有it的句型5. It be ... before ... when从句中常是将来一般时或过去时两种时态．主句中的 it 指时间，表语多是long，
not long ， 3 days ， 2 weeks 等表示时间段的词或短语，常译为＂．．．之后．．．＂。 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 含有it的句型例：我们该采取行动了。?
It‘s(about/high)?time?that?we?should?take?action.?
例?：这是他第三次没有通过驾照考试。
It’s?the?third?time?that?he?has?failed?the?driving?test.?
例 ：不久后他们就会到。?
It?was?not?long?before?they?arrived.? 含有it的句型
careful
person.The use of "It"It 用法归纳
一， 指代it
二， 形式it
三， 强调it
四， 含有it的句型
-What do you think of the movie?
-It’s one of the best movies that I’ve seen.
Who’s the lovely baby?
My father is Mr. Black.It’s Mr. Black’s. It
can be used as personal
pronouns , referring to the person, animal or matter mentioned above,
or the person who you are not
sure of gender.summary11.?it代替前面提到的同一事物,同名同物，表特指该事物既可以是可数名词也可以是不可数名词。? The?news?that?they?failed?their?driving?test?
upset ?him,?________??
A.?did?they B.?didn‘t?they
C.?did?it D.?didn’t?it? 特别注意： it,?one和that作替代词的用法及区别?
2. one 只替代可数名词的人或物，表示同名异物。
one 前后均可被定语修饰，
如：a / an + adj. + one，此时表泛指；
但 one 也可表示特指，此时只有当one 被this、that、the 等词修饰时。
e. g. —Do you have a dictionary?
—No, I don’t have one.
I don’t like this book. I’d like a more interesting one.
I hope it was as good as the one you lent me.
ones 是 one 的复数形式。其前后均可被定语修饰。
e. g. I want large ones, not small ones.
3.?that代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,=the +n要有后置定语,但不可以有前置修饰语。? those 是 that 的复数形式， ____ was a sunny day. Peter decided to go for a walk to the park, though _____ was two miles away. ___ was so comfortable to walk on the street. itItIt Suddenly ___began to rain. He found __ hard to walk there. Then he took a bus home. Unfortunately ___ went wrong. When he got home, he was wet through. Thus ___ was a day that he would never forget.ititititEg: It was a sunny day. Peter decided
to go for a walk to the park, though
it was two miles away. Summary 2 It can be used as impersonal
Pronouns非人称代词 to talk about time, date, distance or weather money and so on.1. It was so comfortable to walk on the
street.
It seems that nobody will vote for him.
3. He found it hard to walk there.Summary 3 “It” can be used in the subject
or object position to stand for
the infinitive or a clause.Eg:It was we who/ that called
on Professor Wang at his
office this morning.
It was Professor Wang
who we called on at his office this morning.It was at his office that we
called on Professor Wang
this morning.It was this morning that we
called on Professor Wang
at his office.
.对 not…until 进行强调
He didn’t realize his fault until he graduated from high school.
It was not until he graduated from high school that he realize his fault .
.区分强调句型与从句
It was in the river he often swam .
He came to the river he often swam.
It was on Sunday the stranges came to our village.
It was Sunday the stranges came to our villageIt is not until …… that…… 强调句型that Where 地点状语从句that 强调句型时间状语从句when It was ___ back home after the experiment.
A. not until midnight did he go
B. until midnight that he didn’t go
C. not until midnight that he went
D. until midnight when he didn’t go
In which play is ___ your brother appears?
A. that where B. this when C. it that D. it where
It was in the lab ___ was taken charge of by Professor Zhang ___ they did the experiment.
A. where; that B. which ; where
C. that ; where D. which; that强调句型被强调的部分是not until引导的时间 状语?强调句型用于疑问句, 被强调的部分是特殊疑问词或从句引导词
?In which play is it that…?It is …that…Is it …that…?I don’t know in which play it is that…强调句型和各种从句高考热点?
1. It is time ( about time ，high time ) that ... 从句应该用虚拟语气，① 常用过去时态表示虚拟．② 有时也用should + 动词原形，should 不能省，常译为＂是（正是）．．．的时侯．．．＂ It is time that children should go to bed. = It is time that children went to bed.
四，含有it的句型2. It is/was the first ( second ... ) time that ...
It is the first time I have been here. = This is the first time I have been here.
含有it的句型3.it常用在以下句型中：It is ＋时间段＋since ＋主语＋did非延动含有it的句型意思是“自从……以来已有一段时间”。It is two years since he joined the army.4. ?It?is…?since?+延续性动词的过去式
?“不做某事已经多久了”
例。?It‘s?10?years?since he?smoked.含有it的句型5. It be ... before ... when从句中常是将来一般时或过去时两种时态．主句中的 it 指时间，表语多是long，
not long ， 3 days ， 2 weeks 等表示时间段的词或短语，常译为＂．．．之后．．．＂。 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 含有it的句型例：我们该采取行动了。?
It‘s(about/high)?time?that?we?should?take?action.?
例?：这是他第三次没有通过驾照考试。
It’s?the?third?time?that?he?has?failed?the?driving?test.?
例 ：不久后他们就会到。?
It?was?not?long?before?they?arrived.? 含有it的句型