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高中英语 语法代词 it的用法课件(共32张ppt)
2) It was not until __C__ that ____ to prepare his lessons. A. did his father come in, the boy began B. did his father come in, did the boy begin C. his father came in, did the boy begin D. his father came in, the boy began
3) I hope that it will be fine Weather tomorrow.
4) It’s spring now.
Season
5) It’s quiet here. Circumstance
2. 用作人称代词, 代表前面提到的人 或事。
1) Who’s it? _It_’_s me. 2) Look at the picture. _I_t is a picture
Exercises
1) It was not _C__ she took off her dark
glasses ___ I realized she was a
famous film star.
A. when, that B. until, when
C. until, that
D. when, then
3. I don’t think __D_ possible to master a foreign language without much memo ry work. A. this B. that C. its D. it
4. Was it during the Second World War _A__ he died? A. that B. while C. in which D. then
It 的 用法(共16张PPT)
What was it that the man in black 我向老师保证，要不了几个月我就能掌握高考的全部词汇。
Not until I graduated from the university did I see him.
robbed me of near the school last Don’t take it for granted
It was near the school that the man in black robbed me of my mobile phone last year because of my carelessness.
children in poor areas have access Don’t take it for granted
the school last year because of my carelessness.
Who was it that robbed me of my mobile phone near the school last year because of my carelessness.
强调句的特殊疑问句
school because of my carelessness.
When was it that the man in black robbed me of my mobile phone near the school because of my carelessness.
强调句的特殊疑问句
学校规定，考试中作弊的学生将受到严惩。 The school makes it a rule that those
who cheat in the exams will be seriously punished.
Not until I graduated from the university did I see him.
robbed me of near the school last Don’t take it for granted
It was near the school that the man in black robbed me of my mobile phone last year because of my carelessness.
children in poor areas have access Don’t take it for granted
the school last year because of my carelessness.
Who was it that robbed me of my mobile phone near the school last year because of my carelessness.
强调句的特殊疑问句
school because of my carelessness.
When was it that the man in black robbed me of my mobile phone near the school because of my carelessness.
强调句的特殊疑问句
学校规定，考试中作弊的学生将受到严惩。 The school makes it a rule that those
who cheat in the exams will be seriously punished.
it、one、that的用法与区别ppt课件
The weather of this week is worse than that of last week. (that代替不可数名词
weather) The quality of iron produced in your factory is better than that in their
• Cook was a strict but good captain, one who took good care of his sailors.
• The water in the well is cleaner than that in the river.
.
• VI. it可以替代句中的不定式或从句等, 充当形式主语或形 式宾语。one与that均无此用法。
• The umbrella you bought is cheaper than that I bought. （替代词that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）
.
• II. one与that虽可用来指代同名异物, 但 one为泛指, 相当于a／an＋名词; that为特 指, 相当于the ＋名词。所以one所指代的 名词的修饰语一般为 a／an ／some ／any; that所指代的名词的修饰语往往是the ／ this ／that。
.
区别
• I. it／one ／that三者均可用作代词, 指代前面提 到的名词。一般说来, it指代同名同物; one与that 则指代同名异物。
• I have lost my umbrella; I'm looking for it. （该句中it就是指前面的my umbrella）
weather) The quality of iron produced in your factory is better than that in their
• Cook was a strict but good captain, one who took good care of his sailors.
• The water in the well is cleaner than that in the river.
.
• VI. it可以替代句中的不定式或从句等, 充当形式主语或形 式宾语。one与that均无此用法。
• The umbrella you bought is cheaper than that I bought. （替代词that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）
.
• II. one与that虽可用来指代同名异物, 但 one为泛指, 相当于a／an＋名词; that为特 指, 相当于the ＋名词。所以one所指代的 名词的修饰语一般为 a／an ／some ／any; that所指代的名词的修饰语往往是the ／ this ／that。
.
区别
• I. it／one ／that三者均可用作代词, 指代前面提 到的名词。一般说来, it指代同名同物; one与that 则指代同名异物。
• I have lost my umbrella; I'm looking for it. （该句中it就是指前面的my umbrella）
小学英语--人称代词--ppt课件
they are
我用am，你用are，is用于他，她，它；单数名词
用is，复数名词全用are。ppt课件
4
人称代词有两类，一类主格一 类宾；主格代词本领大，一切 动作由它发；宾格代词不动脑， 介动之后跟着跑。
ppt课件
5
人称代词的I和me
• I和me 都是“我”的意思 。I 主格 me 宾格
• 造句：
5.Jim’s mother teaches him (他) Maths.
6.Look at the photo. It’s her .(她)
7.Who is it? It’s me .(我)
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人称代词 it
• It用来指动物 ： 翻译成“它”
• • •
What is this ？
It is a lovely pig.
宾格
them
练习：
1.他们是学生：They are students.
2. __T_h_e_y__(她们) are listening to the radio
3.There are some cats here , I like _t_h_e_m
(它们）
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1._________(我)like drawing pictures.
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人称代词 it
• It的特殊用法：
• 1. 指天气 • It’s rainy this morning 今天上午一直在下雨来着
•
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17
2. 指时间
What time is it ?
It’s six thirty.
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i的用法用ppt课件
一般说来，在指代身份或性别明确的人时，通 常要根据情况用代词he／she；若是指代身份 或性别不明的人，则用代词it
Ba8ck
1. I can’t find my pen. I’m going to buy _o_n__e_.
2. Life today is better than __th_a_t__ in the old days.
21
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.
A. that B. it C. this D. him
Sentence patterns:
…
…
find
possible
11
eg: 1. It is illegal（for a teenager）to drive a car without a license.
2. It is necessary for you to give him a letter.
3. Conclusion：
形式主语
不定式短语
4. 在句1和句2中 it 的作用是___________ ,真正主语是________。
某人做某事某人是……. 2 It’s foolish of you to quit your job now.
2024/1/25
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3.It is no good crying over spilt milk. 4.It is no use casting pearls before swine .
1. S+ think + it + necessary +( for sb. ) to do sth./clause
Ba8ck
1. I can’t find my pen. I’m going to buy _o_n__e_.
2. Life today is better than __th_a_t__ in the old days.
21
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.
A. that B. it C. this D. him
Sentence patterns:
…
…
find
possible
11
eg: 1. It is illegal（for a teenager）to drive a car without a license.
2. It is necessary for you to give him a letter.
3. Conclusion：
形式主语
不定式短语
4. 在句1和句2中 it 的作用是___________ ,真正主语是________。
某人做某事某人是……. 2 It’s foolish of you to quit your job now.
2024/1/25
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3.It is no good crying over spilt milk. 4.It is no use casting pearls before swine .
1. S+ think + it + necessary +( for sb. ) to do sth./clause
it-的用法
It
I、 用作人称代词的it （5）
5) 指时间天气.日期.温度和距离。常 的 不翻译出来。
2) 在某些情况下，也可指人。常指划分不 明、性别不详或性别不重的人，特别是指婴 的 幼儿。相当于 this & that。有时也指做某个 动作的人。 用 e.g. The baby smiled when it saw its mother.
法 e.g. “Who is it?” “It’s me.” e.g. “Who is it over there?” “It must be headmaster.” “No, it can’t be him, for he has gone to Paris.”
Uses of “It”
I、 用作人称代词的 it II. 用作先行词的 it III. 用在强调句型中的 it IV. 用在固定结构中的 it
I、 用作人称代词的it
It
(1)
1) it常指除人以外的一切生物和事物，相当
的
于汉语中的“它”。有时也指前面提到的整 件事情。
用
e.g. “where is the cat?” “It’s under the table.” (=the cat);You<ve helped her a lot;she will
I、 用作人称代词的it
（3、4）
3) 在表达感情时可用 she, her, he, him代
替 it, its. 指国家、船只、飞机、火车、汽
的
车和城镇等无生命的东西。
It
用
e.g. We love our motherland. We are proud
of her.
法
4) 在回答 “what’s this/that?” 的答语中,
it 的各种用法及与it有关的句型(30张)
当前面提到的事物不止一件时， it通常指最先提到的事物，而 This/that是指最后提到的事物。
1. We keep the ice cream machine in the spare room. It is mainly used by the children. (指 the machine)
也可以指动物或未知性别的婴儿。
What a beautiful baby， is it a boy? How about the baby? ---- I’ll take care of it.
hurt? You have saved my life. I shall never forget it.
强调句型的疑问句：
1. Who called him “comrade”? 2. How did you forget to lock the door?
Who was it that called him “comrade”? How was it that you forgot to lock the door?
3）one, ones, that, those
That替换单数可数名词或不可数名词；one只替换单数的可数名词。 The vase on the left is more beautiful than the one on the right. The coffee produced in Brazil is more famous than that in Mexico.
it +be+形容词+that从句： It is natural that they should have different views.
It +be+名词+that从句: It’s a shame that you’re sick.
it.ppt形式宾语
it
形式宾语
• 1.Even now I find it hard to believe her story. 即使现在我发现很难相信她的话。 • 2.I find it difficult to talk to you. 我觉得 同你谈话很难。 • 3.I thought it strange that she hadn’t written. 她没有写信，我感到奇怪。 • 4.George made it clear what he wanted. 乔治说得很明白他要什么。 • 5.He considered it his duty to go to the front. 他认为上前线是他的责任。 • 6.she thought it no good worrying about him
一。IT做形式宾语，通常和下列动词连用：
• • • • • • consider, think, find, believe, declare, feel, imagine, judge, see, show, understand, take等。 make, count, guess, prove, suppose,
•c
ቤተ መጻሕፍቲ ባይዱ
• S+V+it + adj • n •
• 1.S + ... • find • think • feel • ...
+ ( for sb) to do clause doing
(for sb) to do clause
... + it + possible + necessary important ...
• ____ was most important to her, she • told me, was her family. • A. It B. This C. What D. As
形式宾语
• 1.Even now I find it hard to believe her story. 即使现在我发现很难相信她的话。 • 2.I find it difficult to talk to you. 我觉得 同你谈话很难。 • 3.I thought it strange that she hadn’t written. 她没有写信，我感到奇怪。 • 4.George made it clear what he wanted. 乔治说得很明白他要什么。 • 5.He considered it his duty to go to the front. 他认为上前线是他的责任。 • 6.she thought it no good worrying about him
一。IT做形式宾语，通常和下列动词连用：
• • • • • • consider, think, find, believe, declare, feel, imagine, judge, see, show, understand, take等。 make, count, guess, prove, suppose,
•c
ቤተ መጻሕፍቲ ባይዱ
• S+V+it + adj • n •
• 1.S + ... • find • think • feel • ...
+ ( for sb) to do clause doing
(for sb) to do clause
... + it + possible + necessary important ...
• ____ was most important to her, she • told me, was her family. • A. It B. This C. What D. As
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表示从since 从句谓语动作发生以后到现在所经过的一 _______ 段时间，译为“自从......以来已多久了”
时间,译为“多长时间后才会/就会做…”
____
的一段时间,译为“多长时间后才/就做了…”
4.It’s for years ___(since, before, after, that) I have painted this beautiful picture.
NO.1
杂七杂八的 It
It’s 10:08 It’s lovely It’s a large sum of money
It weighs only 3 kilograms
专“一”十足的 It
NO.2
专“一”十足的 It
1) ---What should I do with your bag ? ----Oh, just leave it on the table 2) Some students in our class are trying their best to learn English well. Have you heard about ? A. it B. which C. one D. this
[小 结 ] 考查名词性从句中强调句型 我们应注意的是： 1.陈述句句序； 2.特殊疑问词位置。
Thank you !
与“时”共舞的 It
No.4
1、It be + 时间 + before …
It will be over a month before we end our classes . It was not long before the police caughthe ability to do the job__ matters not where you come from or what you are. A. one B. that C. what D. it
It is / was + 被强调的部分 +that / who+句子其他成分
2. It is clear ( obvious, possible, true, certain....) that .....
It is very clear that he’s round and tall like a tree. = That he’s round and tall like a tree is very clear.
易误辨析:
it / one / that
the house that the Parkers bought
1. The Parkers bought a new house but ___ will need a lot of work before they can move in. a house A. they B B. it C. one D. which 2. We’ve been looking at houses but haven’t found ___ we like yet. A. A one B. ones C. it D. them 3. I’m moving to the countryside because the air there is much fresher than ___ in the city. A. ones B. one C. C that D. those
2．-- When was it _____ the Nanhai No．1， the sunken ship was raised from the seabed? -- 0n December 22，2007． A．that B．what C．／ D．which 3．-- Where was it _____ the earthquake broke out yesterday? -- In an Italian city． A．where B．which C．how D．that 4. -- _____ was it _____ they discovered the entrance to the underground palace? 请问：如果这些句子放在动词后面的话，会有什么变化呢？ -- Totally by chance． 答：用陈述语序 A．What ；that B．How；that I am still wondering…… It was C．When；how D． Where；how
It is +时间段+since(过去时)...
2.ItItwill be years ___(since, before, after, that) + will be +时间段 +before( 一般现在时 )…I paint this beautiful picture. before______ 表示从现在起到 从句谓语动作发生所经过的一段 It + was + 时间段 + before(过去时)… 3.It was years ___(since, before, after,that) I painted this 表示从过去某一时间到 before从句谓语动作发生所经过 beautiful picture.
3、 It + was +点时间+ when + S +一过
It was ten o’clock when we began our lesson.
易误辨析:
_____ before, after, that) my grandfather smoked. 1.It’s years ___(since,
4．Could you tell me _____ it was _____ the accident occurred? A. where；that B．which；that C．that；where D．where；which 5．I have always been honest and straightforward，and it doesn't matter _____ that I’m talking to． A．who is it B．who it is C．it is who D．it is whom 6. Why? I have nothing to confess(坦白). Please tell me _____ you want me to say? A．what is it that B．what it is that
考查强调句型用于名词性从句
1．I really don't know ____ I had my money stolen． A．when was it that B．that it was when C．where it was that D．it was where that 2．-- What did she want to know，Tom? -- She wondered we could complete the experiment． A．when was it B．it was when that C．it was when D．when it was that 3．-- How unhappy your roommate looks! -- Yes，but he's not willing to tell me what it is _____ is troubling him. A．what B．which C．as D．that
易误辨析:
It is +时间段+since(过去时)...
It + will be +时间段 +before(一般现在时)… It + was + 时间段 + before(过去时)… Translate the following: 1. 过了很久他才回来. It was long before he came back. 2. 我们很久后才会见面的. It will be long before we meet again. 3. 我离开这所学校已经很久了. It is long since I left this school.
No.5
总为他人做嫁衣的 “ It ”
充当”形式主语”的It
1、It + be + adj. of / for sb to do sth
•如果句型中的形容词是用来描述sb的特征 如kind / rude / cruel / polite / right / wrong / foolish / silly / stupid / wise 等，则用of， = sb + be + adj. + to do sth； * 若句型中形容词是用来描述 to do的 如 important / necessary / hard / difficult / easy / natural / common 等，则用for。
The usage of it
1. It never rains but it pours ！
不鸣则已，一鸣惊人
2. It takes two to make a quarrel. 一个巴掌拍不响 3. All time is no time when it is past. 机不可失，
时不再来。
3. (
( It is ) a wonder ( that )---:
It is ) no wonder (that )---
2、It be + not until + 被强调部分 + that …
高考中的 ” it “ 1)I didn’t realize she was a famous film star until she took off her dark glasses. 重要用法