Learning about Language教案和学案内容

It的用法及强调句型教学设计

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。

教学过程：先学

后教

再练

一、先学。看语法指南、完成相关练习、提出疑问。

性质

功

能

代

词

引

导

词

例

句

用作人称代词，代替上文提到的人或事物。

— Who is it?

—

It’s me. You’ve helped me a lot; I’ll never forget it.

用以代替指示代词this或that。

—

What’s this?

— It’s a computer．

— Whose book is that?

— It's hers．

It’s time for lunch．

It’s raining hard．

It’s two miles from the school to our home．

It is easy to buy a new radio. It is no use telling him that. It doesn’t matter whether she comes or not.

I feel it my duty to help him. We thought it no use doing that. I’ve made it clear that nobody is allowed to smoke here.

I saw Tom yesterday here. ①

It was I that/who saw Tom yesterday here．

②

It was Tom that /who/whom I saw yesterday here．

③

It was yesterday that I saw Tom here．

④

It was here that I saw Tom yesterday．

表示时间、天气、距离、价钱等。

作形式主语, 代替由不定式、动名词或从句等表示的真正主语。

作形式宾语, 代替由不定式、动名词或从句等表示的真正宾语。

表示强调,其结构是: It is/was+强调部分+ that+原句剩余部分。此结构只限于强调状语、主语和宾语。注意：①如果强调的是人, 其后用that或who 均可; ②如果强调的是物、时间或地点等状语, 其后只能用that不用where、when、why。

注意

若原句是not…until句型, 在强调until 部分时, 要把否定形式放入被强调部分。例如:

He didn’t leave until l returned. = It was not until I returned that he left．

易与

强调句型与其它从句的区别在于：

强调

①

强调句型中前后时态应一致;

句型

②

被强调的部分为主语、宾语和状语,若把混淆

it is／was和that／who去掉,剩下的词语的

能重新组成正确的句子,而且不缺成分,其它

否则就是其它从句。

从句

语

序

比

较

一般疑问句：Is/Was it +被强调部分+ that/who+其他部分。

特殊疑问句：

特殊疑问词+is/was it+ that+句其他成分。

强调句型用于从句：

①It was in the place that I was born. (强调句) It was the place where I was born.

(定语从句) ②It was in 1945 that World War II ended. (强调句) It was 1945 when World War II ended.(状语从句) ③It was a long time since I met you last. (状语从句)

④It is time that you went to bed. (定语从句)

Is it losing the money that makes you unhappy?

What is it that makes you unhappy?

I wonder what it is that makes you unhappy. 主谓若强调主语，that/who后的谓语动词的单复It is the little boy who has broken a beautiful jar. 一致

数应与被强调的主语的单复数形式一致。

强调

若强调谓语,则用do /does /did +动词原形,常Do be patient! (一定要耐心点！)

谓语

译为“的确” “一定”等,该结构只能用于陈述句或祈使句中。

He does want to learn English well. (他的确想学好英语。) 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. (good) 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) 二、后教。

讲练结合、点拨归纳重难点。

点拨一

It’s no good/ no use/ a waste of time (money)……+ doing 1. It’s no use _______________ (跟他争论). (argue) 2. I think it a waste of time ______________ (等他). (wait) 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. (2006山东) (appreciate) 点拨三

“It + be +一段时间+since从句”表示从事情发生/结束到现在多长时间了。

“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. (2005北京)

It is almost five years ____________ (自从我们见面) each other last time.

(see) 2. It is almost five years _______________ (自从他不抽烟) . (smoke) 3. (2005山东) It was some time ________________ (我们才意识到)

the truth. (realize) 4. _____________ (过不了多久) before we meet again. (it) 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) 点拨五

强调句型与其他句型比较：

1. It is time that you _______________________ (努力学习). (study) 2. It was on the farm ______________ (他工作) last year. (work) 3. It is the farm ________________________ (他工作) last year. (work) 4. ______________ (是星期五) that he came back. (it) 5.

___________ (是星期五) when he came back. (it) 6. —Where did you get to know her?

—It was on the farm ______ we worked. (2007山东) A. that B. there C. which D. where 点拨六

强调句型中的语序比较

1. ________________ (是在哪儿) you lost your keys? (it) 2. I don’t remember ________________ (是在哪儿) I lost my key. (it) 3. (2006山东) I just wonder ____that makes him so excited.

A. why it does

B. what he does

C. how it is

D. what it is

三、再练。当堂测试，检查学习效果。