Unit+3+Keep+Fit语法课教案

Unit 3 Keep Fit Section A Grammar Focus

课题：Keep Fit Section A Grammar Focus课型：语法课课时：1课时

一、Learning Objectives（学习目标）

1. Understand the difference between possessive adjectives and possessive pronouns.

2. Understand the meanings and usages of different frequency adverbs.

3. Talk about sports habits by using frequency adverbs.

二、教学重难点

重点：形容词性物主代词与名词性物主代词用法；频度副词意义、排序与用法。

难点：物主代词辨析与转换；频度副词在句中的位置。

三、教学过程

Step 1 Warm-up 视频导入（5分钟）

1. 播放校园失物招领处对话视频，呈现物品：baseball glove, badminton racket, ping-pong bat等。

2. 视频结束后提问：

• What can you see in the video?

• Whose are these things?

3. 引出核心句型：Is this yours? It’s mine. 自然导入物主代词主题。

Step 2 Grammar 1: Possessive Pronouns 物主代词（18分钟）

1. 概念：表示所有关系的代词叫物主代词，分为形容词性物主代词和名词性物主代词。

2. 物主代词表格

3. 用法

• 形容词性物主代词：起形容词作用，后面必须跟名词。

例：my watch, your book, her mum, his cousin, our school

• 名词性物主代词：本身相当于名词，单独使用，后面不加名词。

例：My bag is yellow. Hers is red.

• 口诀：有名则形，无名则名。

4. 句型转换

This is her toy. = This toy is hers.

These are not our books. = These books are not ours.

Look at our classroom. It’s big and bright. = The big and bright classroom is ours.

Their desks are clean and tidy. = These clean and tidy desks are theirs.

5. 课堂练习 3a、3b

3a 指出代词所指：

yours = your baseball glove

mine = my baseball glove

His = Han Lin’s badminton racket

3b 填空答案：

1. His2. yours3. mine4. ours; theirs

Step 3 Grammar 2: Adverbs of Frequency 频度副词（15分钟）

1. 含义：表示动作发生频率，常回答How often引导的问句。

2. 频度副词频率排序（从少到多）

never(0%) → hardly ever/seldom → sometimes → often → usually → always(100%)

3. 频度副词位置

① be动词之后：She is always late.

② 助动词、情态动词之后：I will never forget you.

③ 实义动词之前：We often have breakfast together.

sometimes 位置灵活，可放句首或句末。

4. 核心句型

—How often do you…?

—I always/usually/often/sometimes/seldom/never…

Step 4 Practice 综合练习（5分钟）

1. 圈出频度副词：often, usually, seldom, hardly ever, never

2. 3d短文填空答案：

usually; sometimes; seldom; never; always

Step 5 Activity: Free Talk 小组活动（2分钟）

1. 小组内互相采访：

What sport / exercise do you do?

How often do you do it?

2. 小组汇报：

In my group, Lin Tao goes jogging every day. He plays badminton twice a week.

Step 6 Summary 课堂小结（1分钟）

1. 物主代词：有名则形，无名则名。

2. 频度副词：记住频率顺序与位置，会用How often问答。