it用法教案 (1)

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it用法教案(1)

A Worksheet For The Usage Of It Teaching Aim: to help students master the usage of it and teach them how to use it. Teaching Important Points: 1. it is used for subject in form 2. it is used for object in form 3. it is used for the emphatic pattern Teaching Difficult Point: how to help students master the usage of it and use it consciously. Teaching Procedures Step 1 Greeting and lead in (Appreciation) 1. ____is never too old to learn. 活到老, 学到老。

2. ____ never rains but it pours(泼水). 不鸣则已, 一鸣惊人。

3.____ takes three generations (代) to make a gentleman. 十年树木, 百年树人。

Step 2 Observe and summarize Situation 1 用作__________,代表前面提到的人或事物 1) Whos it? ________ me. 2) My key is missing. I cant find _____anywhere. Situation 2 用于代替指示代词 this 和 that。

---Whats this? ---_______ a mouse. Situation 3 Read and analyze the sentences. It is Wednesday today. It was very cold last Monday. It is about 4:30 now. It is about 25km from Anlu. It lies in the south of Xiaogan city. It is 40 C ! You got a

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high fever! It is quiet here. Conclusion: it 可以用作非人

称代词, 表示_____,_____, ______, ______, ______,

______,_______等。

Situation 4 It is used for subject in form Group1 eg.

It is very important for us to keep balanced diet. Its kind of you to help me with the problem. It is a good idea

to go for a walk on weekends. Conclusion1: it 用作形式主语，

代替____________________ 常用于三种句型结构：

1. _________________________________________

2.

_________________________________________ 3.

__________________________________________ Group 2 eg. Its no

use crying over spilt milk. __________________________ 如此好的天气在教室睡觉是一种浪

费。

____________________________________________. It is a

waste of time sleeping in the classroom in such fine weather. Conclusion 2: it 用作形式主语，代替__________________ 此种

情况常用于以下结构中：

(1)It is a pity (a shame, a fact, an honor, a wonder,

one’s duty) t hat (2)It is important (necessary, right,

strange, natural, clear, possible) that (3)It is said (decided,

expected, reported，believed, hoped, announced, known，

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Group 1 eg. Many students find it hard to get up early in such a cold morning. In the west, people make it a rule to send Christmas presents to their relatives and friends. They found it difficult that they would finish their work in two days. Conclusion : it 用作形式宾语，常用于以下句型：

________________________ II. 某些表示喜、怒、哀、乐的动词, 如 like, enjoy, love, prefer, hate, appreciate等往往用 it 作形式宾语，再跟上 if， when 等引导的宾语从句。

Group 2 eg. I would appreciate _______if you could come to my birthday party. I hate_______ when people talk with their mouths full of food. III. that 引导的宾语从句在某些短语, 如 keep it in mind, depend on, see to 等后作宾语时, 常用it 作形式宾语。

Group3 eg We should always keep it in mind that no knowledge gained is ever waste. 当你外出时，你可以依靠他们照看你的女儿__________________________________________________________. Situation 6 It is used for the emphatic pattern It + be+被强

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