北师大版（2019）选择性必修第二册 Unit 6 The Media Lesson 1From Page to Screen Grammar it 的用法 课件-(51张ppt)

(共51张PPT)
UNIT 6 The Media
Lesson 1 From Page to Screen
Grammar
It 的用法
1 … it is safe to say that great films may be made from not particularly good books. (lines 5-6)可以肯定地说，伟大的电影可能取材于不是特别好的书。 (5 - 6行)
课本54页8 FOCUS ON LANGUAGE: IT
Find the following sentences in the article. What does “it” refer to in each situation
to say that great movies may be made from not particularly good books
2 It allowed the previously unfilmable to become a reality. (lines 28-29)它让以前拍不出来的东西变成了现实。 (28 - 29行)
3 … it is the book writer who is in the best position to do film adaptations. (lines 30-31)书的作者最适合改编成电影。 (30 - 31行)
4 … find it difficult to adapt to a new form. (lines 33-34)书的作者最适合改编成电影。 (30 - 31行)
CGI technology
the book writer
to adapt books to a new form
5 … it is clear that viewers will not be disappointed! (lines 38-39)很明显，观众不会失望的! (38-39行)
viewers will not be disappointed
Find more sentences with "it" in the article. What does each of them refer to
… it's normal to have high expectations when a film…
“it” refers to “to have high expectations”.
… it becomes a question for screenwriters to decide what is appropriate for the screen and what to leave out.
“it” refers to “screenwriters decide what is appropriate for the screen and what to leave out”.
it的用法和常用句型
it可以作代词，形式主语，形式宾语，还可以用于强调句中。
… it is always a bad idea to watch a film of a book you love.
“it” refers to “to watch a film of a book you love”.
A: it用作代词 1.指代前文已提及的事物，以避免重复，可用 作句子的主语或宾语。
eg. The train has arrived.It arrived half an hour ago.火车到了，它是半小时前到的。
eg. I can't find my watch;I must have lost it.我找 不到我的手表，我一定把它给弄丢了。
2.指代性别不明的婴儿或未知的人（由于某种 原因而不知对方是谁)。
eg. The baby is crying;maybe it''s hungry.那个婴儿在哭，可能是饿了。 Eg. Who's knocking at the door 一It must be my brother.
3.指时间、天气、距离、自然现象、环境等。 eg. It was an extremely cold winter's evening and freezing fog hung in the air.那是一个极其寒冷的冬夜，空气中弥漫着冰雾。（全国甲卷）
eg. According to the weather report,it's going to rain today.天气预报说今天有雨。
eg. 一How far is it to that school
到那所学校有 多远？
一It is about three miles.三英里左右。
4.替代this,that。 一Whose book is that 那是谁的书？ 一It s mine.是我的。
B. it用作形式主语 当从句、动词不定式短语或v-ing短语作 主语时，为了避免头重脚轻，往往把主语后置， 而以t作形式主语。常用it作形式主语的句 型有：
1.It+be+形容词+主语从句。该句型中常用 的形容词有necessary,strange,likely,uncertain, natural,clear等。
eg. It is uncertain whether he can come to Mary's birthday party or not.他能否参加玛丽的生日聚 会还不确定。
eg. At this point,it is not clear why dogs seem to be equipped with the ability to recognize different facial expressions in humans.
现在还不清楚为 什么狗似乎具备了识别人类不同面部表情的 能力。（浙江高考）
2.It+be+名词（词组）+主语从句。该句型中常用的名词（词组）有a fact,a pity,a shame,an honour,no wonder等。
eg. It's a pity that you missed the exciting football match!
你错过了那场令人兴奋的足球比赛，真 遗憾！
eg. It is our hope that in coming decades, advances in science will offer new perspectives from which to study how people manage their lives.我们希望， 在未来几十年里，科学的进步将为研究人们如 何经营自己的生活提供新的视角。（新高考 I卷)
3.It+be+过去分词+主语从句。该句型中常 用的过去分词有announced,thought,hoped, decided,reported,said,known等。
eg. It is reported that16 people were killed in the accident.
据报道，在这起事故中有16人丧生。
eg. It is not yet decided who will perform the operation on the patient.
谁给病人做手术还没有 决定下来。
4.It+be+形容词(+for/ofsb.)+动词不定式（短语）。该句型中介词for和of的选用规 则：如果形容词描述的是不定式所表示的动作 的特征的，如difficult, easy,hard,important, dangerous等，用for;如果形容词是描述人的性 格、品质，如kind, good,nice,clever等，则 用of
特别提醒
(1)该句型中连系动词be也可换用其他连系动 词，如feel,seem等。
eg. It feels good to be home!回家的感觉真好！
eg. It seems reasonable to ask students to buy a dictionary.让学生买一本字典似乎是合理的。
eg. It is interesting to play with snow in winter.冬 季里玩雪是很有趣的。
eg. It’s important for us to keep the water clean.保 持水的清洁对我们来说是很重要的。
eg. It's really kind of them to let us use their pool. 他们让我们使用他们的游泳池，真是太好了。
(2)该句型中形容词也可换用名词（短语），如 one's turn/duty,a pleasure,an honour等。
eg. It's a good habit to go to bed early and get up early.
早睡早起是好习惯。
eg. It's a pleasure to walk around a strange city.在一 个陌生的城市里散步是一种乐趣。
5.It+be+名词（词组）+v-ing。该句型中常用的名词（词组）有no good,no use等。 eg. It is no use arguing about the matter with him. 跟他争论这件事是没有用的。
6. It+动词+宾语+that从句
eg. It worried me that my mother's eyesight was declining.
母亲的视力在下降，这让我很担心。
7.某些固定句型中t作形式主语。
It takes(sb.)some time to do sth.(某人) 花……时间做某事。
It costs (sb.) some money to do sth.(某人) 花……钱做某事。
It doesn't matter (to sb.)..…(对某人) 不重要。
It makes no difference (to sb.)..……(对 某人)没有影响。
It remains to be seen whether.……还有 待证实/观察。
It occurs to sb.that..某人突然想到……
eg. It took me a week to finish reading the book.我 花了一周时间读完这本书。
eg. It cost me260 yuan to buy the new watch.我买 这块新手表花了260元。
eg. It doesn't matter whether we go together or separately.我们一起去或是分开去都可以。
eg. It never occurred to me that he might be in trouble.我怎么也没想到他会遇上麻烦。
C. it用作形式宾语 it作形式宾语时，常代替后面的动词不定 式（短语）、v-ing(短语)或名词性从句。it作形 式宾语时常用于以下情况：
l.动词不定式（短语）、v-ing(短语)或名词性 从句作宾语时，如果后面带有宾语补足语，常 用it作形式宾语，而把真正的宾语（动词不定 式/动词不定式短语、v-ing/v-ing短语或名词性 从句)放在宾语补足语的后面。常见的动词有 make,think,find,consider,feel等。
eg. To make it easier to get in touch with us,you'd better keep this card at hand.为了更容易与我们 取得联系，你最好把这张卡片放在手边。（北京 高考)
eg. I think it no use buying books without reading them.我认为买书却不读是没有用的。 I find it important that people learn a foreign language.我发现人们学习一门外语是很重 要的。
2.it位于某些表示喜怒哀乐的动词（如like, enjoy, love, prefer, hate等)后作形式宾语。真 正的宾语常为when,whether/if等引导的 从句。
eg. I don't love it when my mum asks me to play the piano.我不喜欢妈妈让我弹钢琴。
D it用于强调句 强调句的基本句型结构是：It+is/was+被 强调部分+that/who+其他部分。
eg. It is my mother who/that reminds me to get up on time every day.
每天都是我妈妈提醒我按时 起床。
eg. It was Hemingway's novel The Old Man and the Sea that the boy wanted to read.这个男孩想看的 是海明威的小说《老人与海》。
a a third-person singular pronoun that refers to an object or an idea第三人称单数代词，指物体或观点
b a pronoun that works as a formal subject / object
用作正式主语/宾语的代词
c a pronoun that leads an emphasised part in a sentence在句子中引导强调部分的代词
课本55页9 Read the sentences in Activity 8. What is the function of “it” in each sentence
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课本练习题
1 Simon spent two hours finishing his homework.
Rewrite the sentence, using “it” to stand for “finishing his homework”.
课本55页10 Use “it” to write sentences according to the requirements.
It spent Simon two hours to finish his homework.
2 They made such a film in one month, which was unbelievable.
Rewrite the sentence, using “it” to stand for “to make such a film in one month”.
It was unbelievable that they made such a film in one month.
3 Jason was reading the new comic book. He found reading the book so interesting.
Rewrite the sentence, using “it” to stand for “reading the book”.
It was reading the new comic book that Jason found was so interesting.
4 The film is very interesting. Obviously the viewers will not be disappointed.
Rewrite the sentence, using “it” to stand for “the viewers will not be disappointed”.
The film is very interesting, and it is obvious that the viewers will not be disappointed.
5 I don’t find it easy to learn languages, and I improve my English only by studying very hard.
Rewrite the sentence, using “it” to emphasise “only by studying very hard”.
I don’t find it easy to learn languages. It is only by studying very hard that I improve my English.
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Find examples of it used in the following ways in the text.
1. as a pronoun 3. as a formal object
2. as a formal subject 4. used in an emphatic sentence
The Road to Heaven is a new film by the famous and well-iked writer and director,Dee 'Connor. The story is about a group of friends who decide to travel around the world together.
They expect things will go smoothly but thanks to an unexpected guest, it most certainly doesn't Comedy is not my preferred genre so i wasn't excited about watching this; however,i must say i loved it!
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I found it unusual that they used a cast of new and unknown actors, which is risky, but here it pays off. At two hours long, it is just the right length for this type of film.
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Overal, it is light, fun and exciting-a perfect choice for your whole family.
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if you have seen it already and have any opinions to share.please comment under here and let us know what you think.
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