Unit3第3课时优秀教案
Period 3 Grammar—the Use of “It”(1)
整体设计
教学内容分析
This teaching period mainly deals with the grammar：the use of “it”．The impersonal pronoun “it” is used frequently in English and has many different functions.“It” can be used in the subject or object position，to stand for an infinitive，－ing form or a clause. The impersonal pronoun “it” can be used to talk about time，distance，weather，etc.“It” can also be used for emphasis.
In this period we will focus on only part of its usages，that is，the use of “it” when the subject of a sentence is a clause，an infinitive，or the－ing form.
三维目标设计 Knowledge and skills
1．To let the students learn the use of “it”．
2．To enable the students to use “it” correctly and properly. Process and methods
1．To ask the students to read the reading passage again，pick out the sentences with the word “it” in them and write some on the blackboard.
2．To ask the students to discover how “it” is used in various ways.
3．To ask the students to do the exercises in Discovering useful structures on Page 21 for students to master the use of “it”．
4．To ask the students to summarize the use of “it”．
5．To ask the students to do the exercises in Using Structures on Page 57 and some other additional exercises for consolidation.
Emotion，attitude and value
1．To get the students to become interested in grammar learning. 2．To develop the students' ability of comparing and summarizing. 教学重、难点
1．To get the students to master the structure and usages of the pronoun “it”． 2．To enable the students to learn how to use “it”．
教学过程
Revision
1．Check the homework exercises.
2．Dictate some new words and expressions. 3．Translate the following sentences into English： (1)她对电视入了迷。
(2)虽然有暴风雨，我们依旧准点到达了火车站。 (3)我每次去访问他，他都不在。 Suggested answers：
(1)She is addicted to television.
(2)We arrived at the station in spite of the storm. (3)Every time I call on him，he is out.
Warming up
Ask the students to reread the passage and find out the sentences with the word “it” in them. For example：
(1)It is a beautiful day here and I am sitting under the big tree at the end of the garden.
(2)It seems amazing that at my age I am still fit enough to cycle 20 kilometres in an afternoon.
(3)Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up. (4)It might help you to stop and strengthen your resolve. Ask the students to think about the use of “it” according to the above four sentences.
Grammar learning
Ask the students to study the following sentences and try to summarize the structure and usages of “it”．
1．The personal pronoun “it” and the impersonal pronoun “it”．
(1)Tom's mother kept telling him that he should work harder but it didn't help. (2)—Who is knocking at the door? —It's me. (3)It's about five kilometers from here to the railway station. (4)It's getting colder and colder every day. 2．“It” is used in the subject or object position. (1)She thought it no use telling him about that. (2)I remember I made it clear to you that I was not coming. (3)It's important to do proper memory work in the study of a foreign language. (4)It is no use learning without thinking. (5)It is a pity that you didn't see such a good film. Summing up
Try to help the students draw the following conclusions. 1．“It” is a very useful word and can be used in many ways.
2．The personal pronoun “it” can substitute something that is mentioned before. In some certain situations，“it” can stand for an unidentified person or a baby.
3．The impersonal pronoun “it” can be used to talk about time，distance，weather，etc.
4．“It” can act as a subject or an object，while the real subject or object can be put backwards in the form of an infinitive，－ing form or a clause.
Grammar practice
Ask students to do the following exercises： 1．Rewrite the sentences using “it” structures given. (1)Giving up smoking is difficult.(It is...)
(2)Most people believe smoking causes cancer.(It is believed...)
(3)The night was dark and stormy when the old man started his journey.(It was a．..)
(4)Don't quit on a stressful day.(It's no use...)
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