1. 在中国英语作为外语来使用。

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2.教师用粉笔。

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3.毛衣是用来保暖的。

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【解析】1. English is used as a foreign language in China.

2. Chalk is used by teachers.

3.A sweater is used for keeping warm. 3. pleasure n. 高兴，愉快；

常用于口语中；it's my pleasure. With pleasure.

【备课例句】

It's my pleasure to help you look after your pet cat.

我感到很荣幸帮你照看你的宠物猫。

【横向辐射】please, pleased, pleasure, pleasant 的区别

一、please

1.表请求或要求的语气。是动词（及物动词）。

-Come in, please.请进来吧。（或Pease come in）

-Sit down, please.请坐。（或Please sit down）

2.表"讨好，讨人喜欢；喜欢"（不及物动词）

或者"使···高兴，使···满意，使···喜欢"（及物动词）

-Go where you please.你想去哪就去哪。

-What pleases you best?你最喜欢什么？

二、pleased形容词。表示"高兴的，喜欢的，满意的"。

它指的是人主观上感到的满足心理

-I'm pleased to see you!见到你真高兴！

常用句型有：be pleased to do sth.高兴做某事

be pleased at/about/with/by 对···感到满意/高兴

be pleased that从句 对··· 感到满意/高兴

三、pleasant形容词。表示"令人愉快的""让人感到满意"。主语一般为物。

The walk was very pleasant. 那次散步很（让人）愉快。

四、pleasure名词 表示"满足；乐趣；消遣、娱乐"

It's a pleasure to read this book. 读这本书真是件乐事。

b. 句式包：

When was it invented? 它是何时发明的？

本句用于询问某个物品的发明时间，结构为"When + was+某项物品+invented？"，其中was invented是一般过去时的被动语态，其基本结构是"was/were + 过去分词"

【备课例句】

This book was bought yesterday. 这本书是昨天买的。

【横向辐射】几种基本时态的被动语态

1.一般现在时：am/is/are +过去分词

Football is played all over the world. 足球运动遍及全世界。

2.一般过去时：was/were + 过去分词

This book was bought yesterday. 这本书是昨天买的。

3.一般将来时：will be +过去分词

The class meeting will be held tomorrow. 班会将在明天开。

4.现在进行时：am/is/are +being +过去分词

Our teaching building is being built now. 我们的教学楼正在兴建中。

5.过去进行时：was/were + being +过去分词

The bus wasn't being repaired by me then. 那时这辆车不是由我修的。

6.现在完成时：have/has + been +过去分词

The work has been finished by them. 这项工作已经被他们做完了。

【课堂变式】

1.We ____not to play computer games.

A. are told B. have told C. told D. tell

【解析】tell sb. not to do sth.意为"告诉某人不要做某事"，这里的主语we是tell这个动作的承受者，故应用被动语态，应选Ａ。

2.-Will you come to the dinner party?

-I won't come unless Jenny ______.

A. will be invited B. can be invited C. invited D. is invited

【解析】在unless引导的条件状语从句中，主句用一般将来时，从句应用一般现在时来表示将来。根据句意"如果詹妮没有得到邀请，我就不会来。"确定选Ｄ。

3. I'm sorry you can't go in now. The room _____ yet.

A. hasn't been cleaned B. hasn't cleaned

C. isn't been cleaned D. isn't being cleaned

【解析】由I'm sorry you can't go in now.可知房间还没有打扫，再加上the room是clean这个动作的承受者，应用现在完成时的被动语态，故选Ａ。

4.A talk on science _____ in our school next Monday.

A. will give B. will be given C. has given D. has been given

【解析】主语A talk 是动词give的承受者，应用被动语态。再根据next Monday 确定用一般将来时，故选Ｂ。