Unit 6 The Media Lesson 1 Focus On Language 课件(共24张PPT)-北师大版（2019）选择性必修第二册

(共24张PPT)
Unit 6 Lesson 1
语法专题：
it 的用法
【语法体系】
Reviewing
....but it’s normal to have high expectations when a film …
It allowed the previously unfilmable to become a reality.
… it is the book writer who is in the best position to do film adaptations.
... find it difficult to adapt to a new form.
It is clear that viewers will not be disappointed!
Find the following sentences in the article. What does “it” refer to in each situation
(CGI technology)
(the book writer)
(to adapt to a new form)
( that...)
【自主感知】
①It's time to have supper. 表示时间
②It often rains here in summer. 表示天气
③It is twenty miles from my school to the village. 表示距离
④It was very quiet in the garden. 表示环境
⑤--Where is the dog
--It is lying under the tree. 表示上文提到的dog
⑥Is it a boy or a girl 表示不明身份的人
⑦.It allowed the previously unfilmable to become a reality
(Line 28-29)
代词=CGI technology
一、指代
【规则点拨】
(1)it 可指代天气、时间、距离、环境等
(2)it可指代前面所提到过的事情、事物
(3)it可指代身份不明的人。
(4)it可指代谈话双方都明白的事情或情况
【易混辨析】
it 指前面提到过的同一个人或者物
one 可以指代前面出现过的不可数名词或单数可数名词，指代单数可数名词时相当于the one。其复数形式为those,相当于the ones
that 指代前面出现过的同类事物中的一个，其复数形式为 ones
【对点练】(1)完成句子
①(2023·新高考Ⅰ卷)Not only _________________________ an opportunity to show my writing skills, but it can also spark my passion for writing.它不仅为我提供了一个展示写作技能的机会,而且能激发我对写作的热情。
②When the factory closes, _____________________500 workerswill be out of work.
工厂关闭时,就意味着500名工人将失业
③-What time is it by your wateh
--______________________________.
一你的表几点了
--9点39分。
④____________________________ in the woods.
小树林里真安静。
⑤The baby cried when_________________________.
这个婴儿饿了就哭。
does it supply me with
it will mean
It is 9.39
lt is really quiet
it was hungry
(2)选词填空(it，one，that，those)
⑥He wants to sell his car and she wants to buy ________.
⑦l saw many new bikes in the store, so l asked my father to buy ________ for me.
⑧The weather in Shanghai is warmer than__________ in Harbin in winter.
⑨The students who do best in the exam are not always ____________ with the best brains.
it
one
that
those
二、it 作形式主语
【自主感知】
①It's normal to have high expectations when a film of ;a favourite book is made.
②It is clear that viewers will not be disappointed(line 38)
③It is clear that you can't go with her.
【规则点拨】
(1) it作形式主语的常用句型:
①It be+adj.(+for/of sb.)十不定式
②It be十名词词组(a pity/a fact/no wonder/...)十that 从句
(1)it作形式主语的常用句型:
①It be+adj.(+for/of sb.)十不定式
②It be+no good/use/useless+doing sth.
③It be+(well)worth+doing sth.
④It be十名词词组(a pity/a fact/no wonder/...)十that 从句
⑤It十特殊动词(seem/appear/turn out/occur tosb./...)+that 从句
⑥It be十过去分词十that 从句
⑦It takes(sb)+some time/some money+to do sth.
【规则点拨】
【名师指津】
在句型“It be+adj.(+of/for sb.)十to do sth.”中,若形容词表示对逻辑主语的评价，不定式前用of sb.，常见的形容词有 kind，clever，stupid,brave，wrong，wise等;若形容词说明不定式所表示的行为的性质或特点,不定式前用 for sb.,常见的形容词有difficult, easy, hard,important, impossible.necessary，possible等
三、it 作形式宾语
【自主感知】
①They may be too close to the material and find it difficult to adapt to a new form.
②I find it easy to get on with Jim.
③I have made it clear that nobody is allowed to smoke 'here.
④I'd appreciate it if you could attend my party.
【规则点拨】（2)it作形式宾语的常用句型:
①主语+think/believe/suppose/consider/feel/make/keep/...+it
+adj.+for/of sb. +to do sth.
②主语+think/believe/suppose/consider/feel/makekeep/...+it
+useless/worthwhile/no use/no good/a waste of time/...+doing sth.
③动词+it十介词短语十that 从句，
如:把……归功于……owe it to sb. that ...认为·…是理所当然的take it for granted that ...记住·keep it in mind that ...
④it用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词或短语后，如enjoy，like，lovedislike,hate,appreciate,see to等。
[对点练】(完成句子)
①___________________________________ if you could help me.如果你能帮助我,我会很感激的，
②(2022·全国己卷书面表达)_____________for students themselves to improve their self-discipline.学生自己迫切需要提高自律性。
③As far as I'm concerned, _________________________ with him. He won't change his mind.
就我而言,和他争论是没有用的。他不会改变主意的。
④New technologies _________________________ to produce new products faster and at a lower cost.
新技术使得以更低的成本更快地生产出新产品成为可能。
I would appreciate it
It is urgent
it is no use arguing
make it possible
⑤You can ______________________________ he is very smart.
你就相信吧,他非常聪明。
⑥_____________________________you don't agree with me.
我的理解是:你不同意我的见解。
⑦Please__________________________ you bring enough money when you go out.
当你出门时请务必带够钱。
⑧_______________________ all of them have gone to the cinema.据说他们都去看电影了。
count on it that
I take it that
see to it that
It is said that
三、it 用于强调句型及其他固定句式
【自主感知】
①One may think that it is the book writer who is in the best position to do film adaptations.
②It is three years since his father passed away.
③It wasn't long before he told us about this affair.
④It was already 8 o'clock when we got home.
会发现
①句中的it 用于强调句型;②③④句中的it 用于时间状语从句，
it用于强调句型及其他固定句式，常见结构如下：
(1)It is/was十被强调部分+that/who十其他部分，表示“正是……”
(2)It+be十时间段+since 引导的从句，表示“自……以来已多久了”
(3)It+be十时间段十before引导的从句,表示“过多久才…...”
(4)It+be十时间点+when 引导的从句,表示“当……时已经几点了”
(5)It+be+(high)time+that 引导的从句,表示“是该做……的时候了”
(6)It-be-the first/second/third/time+that引导的从句，表示“这是第几次……”
【对点练】
(1)单句语法填空
①_______was because his father was ill that he didn't attendthe class.
②It has been 5 years _______ I left Beijing.
③It was half an hour _______ the ambulance arrived.
④It is on the farm where we worked together _______ wegot to know each other.
⑤It will be many years _______ the situation improves.
It
since
that
that
before
(2)完成句子
⑥_____________________________________________________________.
自从他们结婚以来已经10年了。
⑦_____________________________________________________________.
她早该写一封信给她妈妈了。
⑧___________________________________________________________________________________________. 这是这些欧洲人第一次参观长城。
It was 10 years since they had married
It is high time that she wrote a letter to her mother
It is the first time (that) these Europeans have visited the Great Wall
即时巩固训练
I.句型转换
1.As is well known to all, the earth is round.
→______________________ that the earth is round.
2.Reading is believed to increase our knowledge andbroaden our mind.
→______________________ that reading increases our knowledgeand broadens our mind.
3.He found that it was a waste of time watching TVtoo much.
→He______________________ watching TV too much.
It is well known to all
It is believed
found it a waste of time
4. I think it is no good reading in bed.
→I think ___________________ in bed.
5. The weather is fine in autumn. I like it.
→___________________ the weather is fine in autumn.
6.Tom met your sister in the zoo yesterday.(强调主语)
→________________________________________________________.
7. They could not cross the river because the water hadrisen.(强调原因状语从句)
→________________________________________________________.
it no good reading
I like it when
It was Tom that/who met your sister in the zoo yesterday.
It was because the water had risen that they couldnot cross the river.
Ⅱ.完成句子
1._____________________________if you could let me know in advancewhether or not you will come.
如果你能提前告知你是否会来,我将不胜感激。
2.________________________ so much work in such a short time.在这么短的时间里很难完成这么多的工作。
4. I can't imagine ____________________________ if there were no water in the world.
我无法想象如果世界上没有了水会怎么样。
5._________________________________________________ makes a great difference to your life tomorrow.
是你做的事情而不是你现在说的话对你今后的生活有重大影响。
I would appreciate it
It is hard to finish
what it would be like
It is not what you say now but what you do
Read the sentences in Activity 8. What is the function of“it” in each sentence
a a third-person singular pronoun that refers to an object or an idea
b a pronoun that works as a formal subject/ object
c a pronoun that leads an emphasised part in a sentence
Find more sentences with“it" in the article. What does each of them refer to
Use“it” to rewrite the sentences according to the requirements.
1 . Simon spent two hours finishing his homework.
Use" it" to stand for" finishing his homework".
It took Simon two hours to finish his homework.
2 .They made such a film in one month, which was unbelievable.
Use" it" to stand for" to make such a film in one month".
It was unbelievable that hey made such a film in one month
3 .Jason was reading the new comic book. He found reading the book so interesting.
Use" it" to stand for" reading the book".
Jason find it interesting to read the new comic book.
4.The film is very interesting. Obviously the viewers will not be disappointed.
Use" it" to stand for" the viewers will not be disappointed".
The film is very interesting. 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.
Use" it" to emphasise" only by studying very hard".
I don't find it easy to learn languages. It only by studying very hard that I improve my English.
Homework:
Excercise1-8.