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牛津译林版英语九年级下册Unit 1 Asia第三课时教学设计
课题 Grammar 单元 Unit 1 学科 English 年级 9
学习目标 Knowledge aims: 1.use “it” as a personal pronoun; 2. use “it” as an impersonal pronoun; 3. use “it” to replace the real subject or object. Ability aims: 1.To be able to use ―it 2.To tell the different uses of ―itEmotional aims: To feel the charm of English –different uses of the same word
重点 The students can master the usage of the word “it”
难点 To tell the different uses of ―i and use ―it‖ correctly .
教学过程
教学环节 教师活动 学生活动 设计意图
导入新课 Warming up1. It was turned into a museum in 1925. 2. It lies on the two sides of the Lijiang River. 3. In this underground cave, it is amazing that there are so many rocks in unusual shapes—some hang down, and others point upwards.Uses of it在英语中，It的使用相当广泛。它既可用作代词(如：人称代词、指示代词和非人称代词)，也可用作引导词(做形式主语、形式宾语及构成强调句型) Look at the sentences carefully and learn about the uses of it 样例引入it的用法，引出本课重点内容，初步了解it的用法，便于理清思路
讲授新课 A Using it as a pronoun 1. Use it for animals and lifeless things T: Look at the picture.What is it S: Look at the bird. It is so pretty.T: So, What does “it” refer to S: We use it for animals and lifeless things. 2. Use it for a young child T: Look at the picture.What is the baby doing S:The little baby is babbling. T: Yes.It is babbling. It weighs only 3 kilos.So, What does “it” refer to T: So, we use it for a young child when we don’t know whether it is a girl or a boy. 3.Use it for an unknown a person T: Look at the picture and fill in the blank. —Who was calling you on the phone just now —It was my cousin. T: Here, “it” is used for an unknown person. 4. Use it for an action, a situation or an idea T: We have learned something about Guilin in Reading. Do you remember what activity is popular in Guilin T: Riding around the countryside is popular now, isn’t it Here, we use it for an action, a situation or an idea mentioned in a previous statement it 作人称代词:1.指代动物或无生命的东西。2.指代看不出性别的婴儿和小孩。
3.指代不知道的人（尤指打电话和敲门的状态下）4.指代前文出现的动作、状况和主意。 Practice Finish the exercise on page 12, and check the answers. B Using it as an impersonal pronoun T: We use it as an impersonal pronoun. Look at the following sentences.Then conclude what it refers to S: Right. Here, we use it as the time, the date, the whether, the distance, etc. 链接中考1.---________ will make your grandma happy if you buy a walking stick for her birthday, I guess. ---It sounds a good idea! She has some problems walking now. (湖北宜昌) A. That B. It C. This D. What 2.-- A latest English newspaper, please! --Only one copy left. Would you like to have___ , sir (徐州) A. it B. one C. this D. that C Using it to replace the real subject or objectT:it作形式主语时，替代不定式短语、动名词短语及名词性从句，把这类较长的主语移至句尾，使句子显得匀称。eg: 1.It is illegal to drive a car without a license. 2.It is necessary for you to give him a letter.在句1和句2中 it 的作用是_________, 真正主语是 ________ 。It +be +adj.+（for sb.）to do sth.此处adj. 通常为描述事件的形容词：easy，difficult，hard，necessary，impossible，likely，right，wrong，important，obvious，useful，useless，dangerous… It +be+ adj+ of sb. to do sth某人做某事某人是…….此处adj. 通常为描述人的形容词：kind，unkind，nice，rude，cruel，considerate，careless，foolish，stupid，wise，crazy. eg:1. It's kind of you to help me with the problem. 1.It is no good crying over spilt milk. 2.It is no use casting pearls before swine .在句1句2中，it的作用是_________, 真正主语是____________. 构成如下结构：It is +no use/no good/not any good/not any use+ doing sth. 1.It is obvious that the water was to blame.2.Is it possible that he will become the chairman of our country 3.It is amazing that at my age I still look like a student!it是 ______ ,句子真正的主语是____________ Conclusion：It is+adj.+ that从句Useful structures with itIt is said that…It is reported that… It is supposed that… It is hoped that… It is well known that… It is generally considered that…It is suggested that…2.it作形式宾语，替代不定式短语、动名词短语及名词性从句，把这类较长的宾语移句尾，使句子显得匀称。1. I found it very interesting to study English. 我发现学英语非常有趣。 2. I think it no use arguing with him. 我认为和他争吵没有用。 3. He made it clear that he was not interested in this subject.他非常清楚地表示他对那门学科不感兴趣。 小结： it在句中充当_________，真正宾语可以由______ 以及_________短语充当。还可以由______引导的宾语从句充当。当复合宾语中的宾语是不定式、动名词宾语从句时, 往往把真正的宾语放在它的补足语后面，而用 it 作形式宾语, 放在宾语补足语之前。该句型中的 it 作形式宾语, 常用的动词有think, believe, make, find, consider, feel等。动词+it+宾语补足语+不定式（动名词或从句） e.g. We think it no use complaining链接中考1.My mother finds ____great fun to learn to drive a car. (苏州) A. it B. this C. the D. what 2._____ very exciting ________ a football match. A. That"s; to see B. That"s; to watch C. It"s; to watch D. It"s; watching Practice Finish exercises on pages 13 and 14 The traffic is often busy, but public transport here is quite good, so __________ (easy) for people to get around. Weather: __________ (sunny) and warm.We like ______ here.Environment: __________ (said) that the air is not clean here, but I do not think the pollution is as serious as I imagined.Signs: Shanghai is beautiful. ________(fun) to ride around the city and visit the interesting places. Look at the picture, and then guess what it is.Summarize the usage of itLook at the picture and answer.Summarize the usage of it Look at the picture and fill in the blanks. Review the activities in Guilin and summarize the usage of itSum up together with teacher and take notesFinish the exercise；show the answers. Look and discuss the usage of it Finish the exercises by yourselves Listen carefully and take notes Look at the sentences and conclude Useful structures with itFinish the exercises by yourselvesFinish the exercises by yourselves 利用有趣的图片激发他们的学习兴趣，在不知不觉中将it指代动物或者无生命的事物的用法自然呈现通过可爱的图片，引导学生理解it用于指代“我们不知道性别的小孩”的这种用法在语境、交流中呈现语法，降低学生的学习难度回顾上节课所学句子，从中提炼it的用法，将语法简化概括前面所述四种情况都属于it作为人称代词的用法。既学既练，强化理解记忆小组为单位从句子中提炼it的用法，避免了教师传授的枯燥乏味将内容与中考链接，帮助学生学以致用，提前备考讲解形式主语，通过例句一起总结有用的句式，为后面做题打下基础将内容与中考链接，帮助学生学以致用，提前备考借助书中的练习题再次练习巩固it作为形式主语和形式宾语的用法
练习巩固 1.用正确的词填空，并说出it 有用法。1. Wearing red can make _______ easier for us to take action.2. Nowadays it is convenient for us _______（buy） many things on-line.3. I find _____ difficult to remember everything, though I'm still young.4. Is _____ necessary to return the book tomorrow？5. __ is difficult to work on the Great Green Wall.6.---What time is it ---_____is ten o'clock now.7.---Who is knocking at the door --- ____must be Tom.---Have you seen my pen ---Yes, ____ is in the desk.---What’s the weather today --- ____ is windy today.10. ___ is about ten minutes’ walk from here to the station.2.用it作形式主语改写句子。1.To have a good knowledge of history is helpful for us.2.To learn a foreign language is very useful for a scientist.3.To finish this work in three hours is necessary. Do them by yourselves , check answers with desk -mates and then with classmates 学以致用，测试对it三种用法的掌握程度和灵活运用能力
课堂小结 Uses of“ it” 3.for an action, a situation or an idea mentioned in a previous statement.用法二 Using it as an impersonal pronoun for the time, the date, the weather, the distance...用法三 Using it as to replace the real subject or object Recall the usage of it 通过总结，明确it 的三种用法
板书 Unit 1 AsiaGrammar Uses of it用法一 Using it as a pronoun 1.for animals and lifeless things. 2.for an unknown person.3.for an action, a situation or an idea mentioned in a previous statement.用法二 Using it as an impersonal pronoun for the time, the date, the weather, the distance...用法三Using it as to replace the real subject or object 概括性地展示it的用法，便于学生理解掌握，并对照板书做笔记，做练习题
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Unit 1 Asia
Grammar
Uses of it
牛津译林版 九年级下
Warming up
1. It was turned into a museum in 1925.
2. It lies on the two sides of the Lijiang River.
3. In this underground cave, it is amazing that
there are so many rocks in unusual shapes
—some hang down, and others point upwards.
Language practice
Uses of it
1.Using it as a pronoun
2.Using it as an impersonal pronoun
3.Using it as to replace the real subject or object
在英语中，It的使用相当广泛。它既可用作代词(如：人称代词、指示代词和非人称代词)，也可用作引导词(做形式主语、形式宾语及构成强调句型)
Look at the bird. It is so pretty.
New presentsation
We use it for animals and lifeless things.
The little baby is babbling.
It weighs only 3 kilos.
New presentsation
We use it for a young child when we do not know
whether it is a girl or a boy.
—Who was calling you on the phone just now
— It was my sister.
New presentsation
We use it for an unknown person.
(尤其指打电话和敲门的情况下）
Riding around the countryside is popular now, isn’t it
New presentsation
We use it for an action, a situation or an idea mentioned
in a previous statement.
it 作人称代词
1.指代动物或无生命的东西。
2.指代看不出性别的婴儿和小孩。
3.指代不知道的人（尤指打电话和敲门的状态下）
4.指代前文出现的动作、状况和主意。
Usage of it
中考链接
1.---________ will make your grandma happy if you buy a
walking stick for her birthday, I guess.
---It sounds a good idea! She has some problems walking
now. (湖北宜昌)
A. That B. It C. This D. What
2.-- A latest English newspaper, please!
--Only one copy left. Would you like to have___ , sir (徐州)
A. it B. one C. this D. that
The exchange students visited the Summer Palace yesterday. Kevin is writing about it. Read the passage below and find out what each it refers to. Write your answers in the blanks.
Practice
Yesterday we visited the Summer Palace and spent about three hours in it. The palace is a Chinese garden and mainly includes a hill and a lake. The lake is very big— it takes up three quarters of the area.
the Summer Palace
lifeless things
the lake
lifeless things
1.______________
2._________
Practice
It was frozen, so we could not row a boat there. It was really a pity.
Across the lake is a 17-hole bridge. There are many stone lions on either side of it. The lions are all different from each other. Isn’t it amazing While I was walking along the bridge, my mobile phone rang. It was my mum. I told her that the Summer Palace was well worth visiting.
the lake
we could not row a boat
lifeless things
a situation
the bridge
different lions
an unknown person
lifeless things
lifeless things
3.___________
4._______________
5.___________
6.___________
7._____________
It is 6:30 p.m. It is raining heavily outside.
It is 1 January today. It is New Year’s Day.
In Beijing, it is cold and windy in winter.
It is two kilometres from my school to my home.
it有时并不指具体的东西，可指天气、时间、距离、日期等。
it 作非人称代词
Usage of it
The exchange students left for Shanghai. Kevin has made some notes in his diary. Rewrite his sentences with it.
Practice
1. Today is 22 February. We left Beijing for Shanghai early
in the morning.
_________________________. We left Beijing for Shanghai
early in the morning.
2. Shanghai is about 1,300 kilometres from Beijing.
_____________________________ from Beijing to Shang hai.
3. I woke up at 5 a.m. this morning.
__________ when I woke up this mornig.
It is 22 February today
It is about 1,300 kilometres
It was 5
Practice
4. I felt a little cold when we went out. The temperature was
only 2℃.
I felt a little cold when we went out. ______________.
5. Winter is very cold and dry in Beijing.
In winter, _____________________________.
6. We arrived in Shanghai on a sunny day.
________________ when we arrived in Shanghai.
7. We got to our hotel at noon.
____________when we got to our hotel.
8. Our hotel is not far from the Bund.
____________ from from the Bund to our hotel.
It was only 2℃
it is very cold and dry in Beijing
It was a sunny day
It was noon
It is not far
it作形式主语时，替代不定式短语、动名词短语及名词性从句，把这类较长的主语移至句尾，使句子显得匀称。
eg: 1.It is illegal to drive a car without a license.
2.It is necessary for you to give him a letter.
在句1和句2中 it 的作用是_________,
真正主语是 ________ 。
Usage of it
it 作形式主语
It +be +adj.+（for sb.）to do sth.
此处adj. 通常为描述事件的形容词：easy，difficult，
hard，necessary，impossible，likely，right，wrong，important，obvious，useful，useless，dangerous…
形式主语
不定式短语
It +be+ adj+ of sb. to do sth
某人做某事某人是…….
此处adj. 通常为描述人的形容词：kind，unkind，nice，rude，cruel，considerate，careless，foolish，stupid，wise，crazy.
eg:1. It's kind of you to help me with the problem.
帮我解决问题，你真好。
2 .It’s foolish of you to quit your job now.
现在辞职，你真愚蠢。
Useful structures with it
1.It is no good crying over spilt milk.
2.It is no use casting pearls before swine .
在句1与句2中，it的作用是_________,
真正主语是____________.
构成如下结构：
It is +no use/no good/not any good/not any use+ doing sth.
Useful structures with it
形式主语
不定式短语
1.It is obvious that the water was to blame.
2.Is it possible that he will become the chairman of our country
3.It is amazing that at my age I still look like a student!
it是 ______ ,句子真正的主语是____________
Conclusion：It is+adj.+ that从句
Useful structures with it
形式主语
that引导的主语从句
Useful structures with it
It is said that…
It is reported that…
It is supposed that…
It is hoped that…
It is well known that…
It is generally considered that…
It is suggested that…
据说……
据报导……
有人建议……
众所周知……
普遍认为……
据推测……
希望……
1. I found it very interesting to study English.
我发现学英语非常有趣。
2. I think it no use arguing with him.
我认为和他争吵没有用。
3. He made it clear that he was not interested in this subject.
他非常清楚地表示他对那门学科不感兴趣。
Usage of it
it 作形式宾语
小结： it在句中充当_________，真正宾语可以由
______ 以及_________短语充当。
还可以由______引导的宾语从句充当。
形式宾语
不定式
动名词
that
当复合宾语中的宾语是不定式、动名词宾语从句时, 往往把真正的宾语放在它的补足语后面，而用 it 作形式宾语, 放在宾语补足语之前。
该句型中的 it 作形式宾语, 常用的动词有think, believe, make, find, consider, feel等。
动词+it+宾语补足语+不定式（动名词或从句）
Usage of it
it 作形式宾语
e.g. We think it no use complaining.
中考链接
1.My mother finds ____great fun to learn to drive a car. (苏州)
A. it B. this C. the D. what
2._____ very exciting ________ a football match.
A. That's; to see
B. That's; to watch
C. It's; to watch
D. It's; watching
Miss Thompson, a British teacher travelling with the exchange students, is writing down what she thinks about Shanghai. Help her complete her notes with it.
Practice
Traffic: The traffic is often busy, but public transport here is
quite good, so __________ (easy) for people to get
around.
Weather: __________ (sunny) and warm.We like ______ here.
Environment: __________ (said) that the air is not clean here,
but I do not think the pollution is as serious as I
imagined.
it is easy
It is sunny
it
It is said
Practice
Signs: Shanghai is beautiful. ________(fun) to ride around
the city and visit the interesting places.
Food: Chinese food is delicious. I will ask my family to go to a
Chinese restaurant and try ____ when I get back.
Hotel: We all think ______________ (comfortable) to stay in this
hotel. They provide a high level of service.
People: The local people are friendly. _________ (kind) of them
to answer all our questions.
It's fun
it
it's comfortable
It's kind
Execise用正确的词填空，并说出it有用法。1. Wearing red can make _______ easier for us to takeaction.
2. Nowadays it is convenient for us _______（buy）many things on-line.
3. I find _____ difficult to remember everything, though I'm still young.
4.Is _____ necessary to return the book tomorrow？5.is difficult to work on the Great Green Wall.ituseitto replacethe real objectto buyIt is + adjective + (of/for…)+ to…it… find it difficult to …ituseitto replacethe real subbjectItExecise6.---What time is it ---_____is ten o'clock now.7.---Who is knocking at the door ---____must be Tom.8.---Have you seen my pen ---Yes,____is in the desk.9.---What’s the weather today ---____is windy today.10.___is about ten minutes’ walk from here to the station.Ituse it forthe timeItuse it foran unknown personituse it forlifeless thingsItuse it forthe weatherItuse it forthe distance1.To have a good knowledge of history is helpful for us.
2.To learn a foreign language is very useful for a scientist.
3.To finish this work in three hours is necessary.
It is helpful for us to have a good knowledge of history.
It is necessary to finish this work in three hours.
It is very useful for a scientist to learn a foreign language.
用it作形式主语改写句子。
Execise
Execise6.---What time is it ---_____is ten o'clock now.7.---Who is knocking at the door ---____must be Tom.8.---Have you seen my pen ---Yes,____is in the desk.9.---What’s the weather today ---____is windy today.10.___is about ten minutes’ walk from here to the station.Ituse it forthe timeItuse it foran unknown personituse it forlifeless thingsItuse it forthe weatherItuse it forthe distance
课堂小结
用法一 Using it as a pronoun
1.for animals and lifeless things.
2.for an unknown person.
3.for an action, a situation or an idea
mentioned in a previous statement.
用法二 Using it as an impersonal pronoun
for the time, the date, the weather, the distance...
用法三 Using it as to replace the real subject or object
Uses of it
课后作业
Homework
1. Remember the use of the six tenses
in this lesson.
2. Preview the next lesson.
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