It的用法及强调句型教学设计
[导读] 掌握和运用it的用法，尤其是it在强调句型中的用法。
一、教学目标：
掌握和运用it的用法，尤其是it在强调句型中的用法。
二、教学重点：
1. Its no good / no use / a waste of time (money) + doing.
2. 主语+ hate / dislike / appreciate it + when / if...
3. It + be + 一段时间+ since从句/ before从句.
4. not until / till在正常句型、倒装句型与强调句型中的运用；only + 状语在强调句型和倒装句型中的运用。
5. 强调句型与其他句型的比较。
三、教学难点：
1. “It + be +一段时间+since从句/ before从句”.
2. not until / till在正常句型、倒装句型与强调句型中的运用；only + 状语在强调句型和倒装句型中的运用。
3. 强调句型与其他句型的比较。
四、教学理念：精讲多练，以学生为中心，体现学生的主体性。
五、教学方法：讲练结合，点拨归纳。
六、教学模式：先学后教，当堂训练。
七、教学过程：先学→后教→再练。
1. 先学。看语法指南、完成相关练习、提出疑问。口诀：
代词it本意它, 既可指这又指那; 时间天气均可指, 谈到距离也用它; 假主假宾均可做, 强调句型跟that。
完成句子：
1. ___ (哭没有用) over spilt milk.(use)
2. ___ (我讨厌) when people talk with their mouths full. （hate)
3. It is almost two years ___ (自从她来我们班). (come)
4. ___ (直到我回来) that he left．(return)
5. It was in this village ___ (我长大). (bring)
6. I wonder ___ (是什么) makes you unhappy. (it)
Keys: 1. It is no use crying
2. I hate it
3. since she came to our class
4. It was not until I returned
5. that I was brought up
6. what it is that
2. 后教。讲练结合，点拨归纳重点、难点。
◆点拨一It?蒺s no good / no use / a waste of time (money) + doing.
1. It?蒺s no use ___ (跟他争论). (argue)
2. I think it is a waste of time ___ (等他). (wait)
Keys: 1. arguing with him
2. waiting for him
◆点拨二主语+ hate / dislike / appreciate it + when / if...
___ (我将感激不尽) if you would like to teach me how to use the computer.(appreciate)
(2006山东卷)
Key: I?蒺d appreciate it
◆点拨三“It + be + 一段时间+ since从句”表示从事情发生/ 结束到现在有多长时间了。
“It + be + 一段时间+ before从句”说明一件事与另一件事的间隔，意为“过……才……”。
1. It is almost five years ___ (自从我们见面) each other last time. (see)
(2005北京卷)
2. It is almost five years ___. (他不抽烟快有5年时间了) (smoke)
3. It was some time ___ (我们才意识到) the truth.(realize)
(2005山东卷)
4. ___ (过不了多久) before we meet again. (it)
Keys: 1. since we met
2. since he smoked
3. before we realized
4. It won?蒺t be long
◆点拨四not until / till在正常句型、倒装句型与强调句型中的运用；
only + 状语在强调句型和倒装句型中的运用。
1. ___ (我才离开) until he returned.(leave)
Not until he returned ___(我才离开). (leave)
It was not until he returned ___ (我才离开). (leave)
2. It is only when the disease has progressed to AIDS ___ (一个人才开始) to look sick. (begin)
Only when the disease has progressed to AIDS ___ (一个人才开始) to look sick. (begin)
Keys: 1. I didn?蒺t leave; did I leave; that I left
2. that a person begins; does a person begin
◆点拨五强调句型与其他句型比较。
1. It was on the farm ___ (他工作) last year. (work)
2. It is the farm ___ (他工作) last year. (work)
3. ___ (是星期五) that he came back.(it)
4. ___ (是星期五) when he came back. (it)
5. — Where did you get to know her?
— It was on the farm ___ we worked. (2007山东卷)
A. that
B. there
C. which
D. where
Keys: 1. that he worked
2. where / on which he worked
3. It was on Friday
4. It was Friday
5. D
3. 再练。当堂测试，检查学习效果。
It用法测试
姓名：_____ 分数：_____
1. Can it be in the drawer ___ you put your passport?
A. where
B. in which
C. there
D. that
2. It was July 1, 1997 ___ saw the return of Hong Kong to the motherland.
A. that
B. when
C. which
D. in which
3. It is two years ___ I joined the army.
A. before
B. since
