高中英语it的用法课件(共41张)
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高考英语二轮复习：it的用法课件(共40张PPT)
① It is difficult for a foreigner to learn Chinese. ② It is everyone’s duty to obey the law. ③ It took them a year to build the bridge. ④ It is up to us to help those in need.
二、it 作形式主语
⒊ it代替主语从句：这个主语从句可以用连词that引导，也可以用连接 代词或连接副词引导。
①It is clear ( obvious， true， possible， certain....) that ...该句型中 it 是形式主语，真正的主语是that 引导的主语从句，常译为＂清楚（显 然，真的，肯定……）＂ 是主语从句最常见的一种结构。 ➢ It is very clear that he’s round and tall like a t真正的主语移到句子 后部去，使句子显得平衡，避免“头重脚轻”。it作形式主语时，可以代 替三种形式：不定式、动名词和主语从句。
二、it 作形式主语
1. it代替不定式短语，常用于下列句型中： It + be +adj + (for/of sb.) to do sth. It + be + n + to do sth. It takes sb. some time to do sth. It’s up to sb. to do sth.
二、it 作形式主语
b) It doesn’t matter（It’s no wonder；It doesn’t make too much difference等）＋连接代词或连接副词引导的从句。 ➢ It doesn’t matter whether we go together or separately. ➢ It is no wonder why he came here too late.
二、it 作形式主语
⒊ it代替主语从句：这个主语从句可以用连词that引导，也可以用连接 代词或连接副词引导。
①It is clear ( obvious， true， possible， certain....) that ...该句型中 it 是形式主语，真正的主语是that 引导的主语从句，常译为＂清楚（显 然，真的，肯定……）＂ 是主语从句最常见的一种结构。 ➢ It is very clear that he’s round and tall like a t真正的主语移到句子 后部去，使句子显得平衡，避免“头重脚轻”。it作形式主语时，可以代 替三种形式：不定式、动名词和主语从句。
二、it 作形式主语
1. it代替不定式短语，常用于下列句型中： It + be +adj + (for/of sb.) to do sth. It + be + n + to do sth. It takes sb. some time to do sth. It’s up to sb. to do sth.
二、it 作形式主语
b) It doesn’t matter（It’s no wonder；It doesn’t make too much difference等）＋连接代词或连接副词引导的从句。 ➢ It doesn’t matter whether we go together or separately. ➢ It is no wonder why he came here too late.
高中英语语法课件-it用法_共55张PPT_
I can’t answer for it that he will come on time. I owe it to you that I am still alive. I took it for granted that he would help us. I think it no use arguing with him. I found it very interesting to learn English. He made it clear that he was not interested in this subject. You can depend on it that he will come to help you on time. Please see to it that all the lights are turned off. Many people used to take it for granted that the earth was flat.
sb like/take/put it that…
sth have it that… bring it out to sb that 宾从…
see to/look to/rely on/insist on/stick to/depend on/
answer for it that…
owe it to sb that… bring it to sb’s attention that… keep/bear it in mind that… -I don’t know whether I should go abroad or not, Mum. -I leave it to your own judgement whether you should do it. 英语中能直接带that引导的宾从的介词很少： except/but/in /besides that… I know nothing about him except that he is from Guangdong Province. I could not have believed it but that I saw it with my own eyes.
高中英语it用法详解课件(共37张PPT)
that 表示“同类不同物”，（只在平级结构或比较级结构或表
对比结构中指代前文出现的表特指的可数名词单数或不可数名 词。（复数名词用those指代)
I had a good pen, but I lost it yesterday. I’ll buy one tomorrow.
易误辨析: it / one / that
Sentence patterns: 1. Sb + think + it + necessary + ( for sb. ) to do sth.
+连词+clause
make\believe\feel\ hard\possible\important\usele
find\consider
ss\worth\worthwhile…
A√ . Anyone who B. The boy C. The one D. the
ones
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting. A. that BB. it C. this D. him
Traanslation
形式宾语
I like __C_ in the autumn when the weather is clear and bright. A. this B. that C. it D. one
点拨:这是it作形式宾语的一种特殊用法.少数动词 (如like, love,enjoy, dislike, hate, don't mind, appreciate, feellike等)或包含介词的动词短语(如 see to, depend on,be fond of等)后接宾语从句,必 须先由it担任形式宾语,再接从句.
对比结构中指代前文出现的表特指的可数名词单数或不可数名 词。（复数名词用those指代)
I had a good pen, but I lost it yesterday. I’ll buy one tomorrow.
易误辨析: it / one / that
Sentence patterns: 1. Sb + think + it + necessary + ( for sb. ) to do sth.
+连词+clause
make\believe\feel\ hard\possible\important\usele
find\consider
ss\worth\worthwhile…
A√ . Anyone who B. The boy C. The one D. the
ones
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting. A. that BB. it C. this D. him
Traanslation
形式宾语
I like __C_ in the autumn when the weather is clear and bright. A. this B. that C. it D. one
点拨:这是it作形式宾语的一种特殊用法.少数动词 (如like, love,enjoy, dislike, hate, don't mind, appreciate, feellike等)或包含介词的动词短语(如 see to, depend on,be fond of等)后接宾语从句,必 须先由it担任形式宾语,再接从句.
高中英语语法-It-的用法课件人教版课件
It-作为形式主语
It-作为形式宾语
It-引导强调句型
It-在固定搭配中 的用法
回 顾 I t-的 用 法 的 重 点 与 难 点
It-作为形式主语
It-作为形式宾语
It-引导强调句型
It-在固定搭配中的用法
对未来学习的展望
掌握更多英语语法知识 提高英语阅读和写作能力 培养英语语感和语用能力 拓展英语文化背景知识
古 英 语 和 中 世 纪 英 语 中 的 I t用法
It-在强调句型中的用法和演 变
I t-的 用 法 的 文 化 背 景
单击此处添加标题
强调句型：在英语中，使用“It is/was...that...”结构来强调某个句子成分， 如主语、宾语或状语。
单击此处添加标题
形式主语：使用“It”作为形式主语，代替真正的主语，使句子更加简洁。
主语
It-作为形式主 语，用于避免 句子头重脚轻
It-作为形式主 语，用于构成 固定句型结构
I t-作 为 形 式 宾 语
It-作为形式宾语的定义 It-作为形式宾语的用法 It-作为形式宾语与真正宾语的区别 It-作为形式宾语在句子中的作用
I t-引 导 强 调 句 型
强调句型结构：It is/was +被强调部分+that/who+其他部分
It-作为形式主语的用法举 例
It-作为形式主语与真正主 语的区别
I t-作 为 形 式 宾 语
定义：It作为形式宾语，用于代替真正宾语的位置
用法：常与make、take等动词连用
特点：使句子结构更加平衡，避免头重脚轻
例子：如“It takes me an hour to finish my homework every d a y. ”
高中英语it的用法课件51页
was a day that he would never forget.
Eg: It was a sunny day. Peter decided to go for a walk to the park, though it was two miles away.
It can be used as impersonal
walk on the street.
Suddenly i_t__began to rain. He found _it_
hard to walk there. Then he took a bus
home. Unfortunately _i_t _ went wrong. When
he got home, he was wet through. Thus _i_t _
—“Who is it over there?” —“It must be headmaster.” —“No, it can’t be him, for he has gone to
Paris.”
summary1
It
can be used as personal pronouns , referring to the person, animal or matter mentioned above,
Date
It is about 8:30 now. It is about 25km from Longxian to Bazi.
time
weather
It lies in the south of Shaoguan city. It is 40°C ! You got a high fever! Question: What does “it” in these sentences refer to?
Eg: It was a sunny day. Peter decided to go for a walk to the park, though it was two miles away.
It can be used as impersonal
walk on the street.
Suddenly i_t__began to rain. He found _it_
hard to walk there. Then he took a bus
home. Unfortunately _i_t _ went wrong. When
he got home, he was wet through. Thus _i_t _
—“Who is it over there?” —“It must be headmaster.” —“No, it can’t be him, for he has gone to
Paris.”
summary1
It
can be used as personal pronouns , referring to the person, animal or matter mentioned above,
Date
It is about 8:30 now. It is about 25km from Longxian to Bazi.
time
weather
It lies in the south of Shaoguan city. It is 40°C ! You got a high fever! Question: What does “it” in these sentences refer to?
高考英语复习之it的用法、常用句型精选课件
the task __t_h_a_t___ (that, when) Mary realized it was extremely difficult to complete. 2. __I_t (It, As) is our belief that we can make a good life if we work hard. 3. _I_t_ (It, What) is suggested that parents should pay more attention to their children’s inner world.
It is a shame that he should attempt to injure the
reputation of an honest man.
It was no accident that such a book should appear in the
18th century. ★ “It + be +形容词+主语从句”中从句谓语常用 “（should +）动词原形（或完成时）”。常用于本句 型的形容词主要有impossible, strange,
二、it作引导词 1. it作形式主语的常用句型 ★ “It + be +名词+主语从句”中从句谓语常用“（should +）动
词原形”。常用于本句型的主要有a pity, a shame, no wonder, no accident等。如：
It is a great pity that he should be so greedy.
4. As a matter of fact, __i_t __ (that, it) is not failure itself, but what we think of failure and what we do afterwards that counts.
It is a shame that he should attempt to injure the
reputation of an honest man.
It was no accident that such a book should appear in the
18th century. ★ “It + be +形容词+主语从句”中从句谓语常用 “（should +）动词原形（或完成时）”。常用于本句 型的形容词主要有impossible, strange,
二、it作引导词 1. it作形式主语的常用句型 ★ “It + be +名词+主语从句”中从句谓语常用“（should +）动
词原形”。常用于本句型的主要有a pity, a shame, no wonder, no accident等。如：
It is a great pity that he should be so greedy.
4. As a matter of fact, __i_t __ (that, it) is not failure itself, but what we think of failure and what we do afterwards that counts.
It的基本用法(共43张)
第6页，共43页。
It 指物时与one的区别
it指的是与前面已提到的事物为同一物，
此时的it等于(děngyú)“the (this, that, my...)+名词”； 而one 指的是与前面已提到的事物为同一类物， 此时的one等于“a+名词”。比较：
I have a dictionary but I’ve lent it to Mary.
Who was it that you met in the street yesterday?
第10页，共43页。
相关 链接 (xiāngguān)
1.Was it in this place ___ the last
emperor died?
A. that B. what C. in which D. where
A. it
B. that
C. these D. them
常见的有enjoy, hate, love, like, dislikeappreciate, prefer 等。
第19页，共43页。
2. I’d appreciate _ if you would turn the radio down.
A. that
第4页，共43页。
４指时间、距离、地点、天气(tiānqì)、温度、环境等
--What’s the time now? --It’s ten past eight. （时间） It was very quiet in the café. （环境） It’s about ten minutes’ walk from here. （距离）
other students?
--Honesty, I think.
it的用法(30张PPT)
In this sentence, what does “it” refer to?
It was a dark and stormy night when the old man started his journey.
“It” can be used In this sentenincea,n“oitth”eirs wusaeyd?to talk about time.
exercise.to stand for _a_c_l_a_u_s_e_, 5. He fou_an_n_d_iin_tf_di_nif_ift_icv_ue_ltorto_-a_icn_c_gu_fs_ot_or_m_.himself
to getting up early.
1. It’s difficult to give up smoking. 2. Is it certain that they will win? 3. It is good learning without practice. 4. It is fun for him to study. 5. It’s a pity that our teacher can’t take
Think about why “it” is used in the subject position.
2. … + verb + it + adj./ n. + infinite/
clause/ -ing form
formal object
real object
find, think, feel, believe, consider, make, etc.
It is no use/ good doing… 做……是 徒劳的
it的用法PPT课件
▪ It is eighteen square metres in area.
▪ What does it matter?
.
7
▪ （三）构成强调结构
▪ It was in Shanghai that I bought the guitar．(that引起强调句)
▪ It was at twelve o'clock that we arrived there．（that 引起强调句）
▪ It struck/hit me that I had forgotten to lock the
door.
.
12
▪ 9. 他的陈述原来是假的。 ▪ It turned out（proved）that his statement was
false. ▪ 10.很奇怪他考试竟然没有及格。 ▪ It’s strange that he should have failed in the
him.
▪ 2. 你那样做是很愚蠢的。
▪ It is stupid of you to do so.
▪ 3. 修长城花费了成千上万人很多年的时间。
▪ It took thousands of people many years to
build the Greatwall. .
10
▪ ● doing做真正主语 ▪ 4. 你和他理论是没有用的。 ▪ It is no use your arguing with him. ▪ 5. 覆水难收 ▪ It is no good crying over spilt milk. ▪ It is worthwhile doing the work.
▪ it
.
27
▪ What does it matter?
.
7
▪ （三）构成强调结构
▪ It was in Shanghai that I bought the guitar．(that引起强调句)
▪ It was at twelve o'clock that we arrived there．（that 引起强调句）
▪ It struck/hit me that I had forgotten to lock the
door.
.
12
▪ 9. 他的陈述原来是假的。 ▪ It turned out（proved）that his statement was
false. ▪ 10.很奇怪他考试竟然没有及格。 ▪ It’s strange that he should have failed in the
him.
▪ 2. 你那样做是很愚蠢的。
▪ It is stupid of you to do so.
▪ 3. 修长城花费了成千上万人很多年的时间。
▪ It took thousands of people many years to
build the Greatwall. .
10
▪ ● doing做真正主语 ▪ 4. 你和他理论是没有用的。 ▪ It is no use your arguing with him. ▪ 5. 覆水难收 ▪ It is no good crying over spilt milk. ▪ It is worthwhile doing the work.
▪ it
.
27
高考英语 Unit 20 it用法课件
11. It is ... when ...。 。 引导的是一个时间状语从句， 该句型中的 when 引导的是一个时间状语从句，主句中的 it 指 时间，表语由具体的时间充当，常译为＂当．．．的时候， 时间，表语由具体的时间充当，常译为＂ ．．．的时候， 的时候 是．．．＂ It was 5 o’clock when he came here. 12. It be ... before ... 指时间， 该句型主句中的 it 指时间， 主句中的时态常是将来一般时或过 去时两种时态．主句中的表语多是long， not long ， 3 days ， 去时两种时态．主句中的表语多是 ， 2 weeks 等表示时间段的词或短语，常译为“过．．．就/才… 等表示时间段的词或短语，常译为“ ．．．就 才 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 13. It happens (seems， looks， appears ) that... ， ， 该句型中it是形式主语 是形式主语， 引导的是主语从句， 该句型中 是形式主语，that 引导的是主语从句，主句中的 happen ， seem等词是不及物动词。 等词是不及物动词。 等词是不及物动词 It happened ( so happened ) that he met his teacher in the street. 碰巧．． 碰巧．． ．．. It seems that he will be back in a few days. 看来．．． 看来．
3. It is clear ( obvious， true， possible， ， ， ， certain....) that ..... 该句型中it 是形式主语，真正的主语是that 引 该句型中 是形式主语，真正的主语是 导的主语从句，常译为＂清楚（显然，真的， 导的主语从句，常译为＂清楚（显然，真的， 肯定．．．）＂ 肯定．．．）＂ 是主语从句最常见的一种结 构。 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.
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3. It is believed that all the students tried their best.
= All the students are believed to __t_o_h_a_v_e__tr_i_e_d__th_e_i_r_b_e_s_t_._.
Little it
Little it, little it It’s so little Little as it is Everywhere we see it Little as it is We have trouble with it Little as it is We want to know more about it
report; the winter Olympics; Beijing; 2022
It is reported that the winter Olympic Games will be held in Beijing China in 2022.
1. it做代词代替刚提到过的一件事或 物，或身份不明的人或婴儿。
Approaching it
I saw a bird landing on the window It was our little lovely sparrow I saw a baby crying in the shadow It was our fat hungry Tudow I saw a person jumping on the pillow It was our big naughty fellow
3. People believe that regular exercise is of great benefit to health. It _i_s _b_e_li_e_v_e_d_t_h_a_t_r_e_g_u_l_a_r_e_x_e_r_c_is_e_i_s_o_f_g_r_e.at benefit …
▪ Who’s it? ___It_’s_____me. ▪ Look at the picture. _I_t___is a picture of our
baby.
Getting close to it
__It_’_s_h_a_r_m__fu_l__ to get addicted to smoking. _I_t_’s__n_o_g_o_o_d__ getting into the habit of smoking.
2. it做形式主语。
1) It is +adj/n+ to do / that 2) It is no good/ use doing sth 3) It is a waste of time doing sth 4) It is said/believed/reported/…that…
有人说/相信……；据说/据报道…… 5) It happened that….碰巧
1.The news has reached every part of the world. Someone says that. It _i_s_s_a_id__t_h_a_t_t_h_e_n_e_w__s_h_a_s_r_e_a_c_h_e_d__…_.
2. According to a report, the government has banned the use of chemical weapons. It _i_s _r_e_p_o_r_te_d__th_a_t__th_e__g_o_v_e_r_n_m_e_n_t_h__a_s___ ___b_a_n_n_e_d__th_e__u_s_e_o_f_c_h_e_m__ic_a_l_w__e_a_p_o_n_s_. __.
My father is so stubborn that _I_t_’s_n__o_u_s_e_a_r_g_u_i_n_g_w__it_h__h_im_ (与他争论毫无用处).
He has no knowledge of computer. _I_t_is__a_w__a_st_e_o_f__m_o_n_e_y__ buying him a computer as a gift.
weather, season, distance
1. It指代上文刚刚提到过的一件事或物， 也可指代身份不明的人或婴儿。
Time to practise!
▪ It_’_s_f_re_e_z_i_n_g_c_o_l_d__.(天气冰冷刺骨) Hope it will be warmer soon.
▪ _I_t’_s_a__f_i_v_e-_m__in_u__te__w_a_l_k____________ (五分 钟的路程) from my home to school.
▪ _I_t’_s_a__b_e_a_u_t_if_u_l_d_a_y___ (天气很好). Shall we go for a walk?
It can refer to anything, including __a__b_ab_y__o_r_a_n_u_n_k_n_o_w__n_p_e_r_so_n__.
I saw flowers dancing in the air It was a heavy snow I saw leaves covering your hair It was autumn you know I saw people rushing to the fair(集市) It was twenty storeys below
1.It is saer.
= Tom _i_s_ _s_a_id__ t_o_ _b_e_ a faithful worker.
2. It is reported that the murderer has been arrested.
= The murderer is reportedt_o_h__a_v_e_b_e_e_n__a_rr_e_s_t_e_d.
= All the students are believed to __t_o_h_a_v_e__tr_i_e_d__th_e_i_r_b_e_s_t_._.
Little it
Little it, little it It’s so little Little as it is Everywhere we see it Little as it is We have trouble with it Little as it is We want to know more about it
report; the winter Olympics; Beijing; 2022
It is reported that the winter Olympic Games will be held in Beijing China in 2022.
1. it做代词代替刚提到过的一件事或 物，或身份不明的人或婴儿。
Approaching it
I saw a bird landing on the window It was our little lovely sparrow I saw a baby crying in the shadow It was our fat hungry Tudow I saw a person jumping on the pillow It was our big naughty fellow
3. People believe that regular exercise is of great benefit to health. It _i_s _b_e_li_e_v_e_d_t_h_a_t_r_e_g_u_l_a_r_e_x_e_r_c_is_e_i_s_o_f_g_r_e.at benefit …
▪ Who’s it? ___It_’s_____me. ▪ Look at the picture. _I_t___is a picture of our
baby.
Getting close to it
__It_’_s_h_a_r_m__fu_l__ to get addicted to smoking. _I_t_’s__n_o_g_o_o_d__ getting into the habit of smoking.
2. it做形式主语。
1) It is +adj/n+ to do / that 2) It is no good/ use doing sth 3) It is a waste of time doing sth 4) It is said/believed/reported/…that…
有人说/相信……；据说/据报道…… 5) It happened that….碰巧
1.The news has reached every part of the world. Someone says that. It _i_s_s_a_id__t_h_a_t_t_h_e_n_e_w__s_h_a_s_r_e_a_c_h_e_d__…_.
2. According to a report, the government has banned the use of chemical weapons. It _i_s _r_e_p_o_r_te_d__th_a_t__th_e__g_o_v_e_r_n_m_e_n_t_h__a_s___ ___b_a_n_n_e_d__th_e__u_s_e_o_f_c_h_e_m__ic_a_l_w__e_a_p_o_n_s_. __.
My father is so stubborn that _I_t_’s_n__o_u_s_e_a_r_g_u_i_n_g_w__it_h__h_im_ (与他争论毫无用处).
He has no knowledge of computer. _I_t_is__a_w__a_st_e_o_f__m_o_n_e_y__ buying him a computer as a gift.
weather, season, distance
1. It指代上文刚刚提到过的一件事或物， 也可指代身份不明的人或婴儿。
Time to practise!
▪ It_’_s_f_re_e_z_i_n_g_c_o_l_d__.(天气冰冷刺骨) Hope it will be warmer soon.
▪ _I_t’_s_a__f_i_v_e-_m__in_u__te__w_a_l_k____________ (五分 钟的路程) from my home to school.
▪ _I_t’_s_a__b_e_a_u_t_if_u_l_d_a_y___ (天气很好). Shall we go for a walk?
It can refer to anything, including __a__b_ab_y__o_r_a_n_u_n_k_n_o_w__n_p_e_r_so_n__.
I saw flowers dancing in the air It was a heavy snow I saw leaves covering your hair It was autumn you know I saw people rushing to the fair(集市) It was twenty storeys below
1.It is saer.
= Tom _i_s_ _s_a_id__ t_o_ _b_e_ a faithful worker.
2. It is reported that the murderer has been arrested.
= The murderer is reportedt_o_h__a_v_e_b_e_e_n__a_rr_e_s_t_e_d.