# 第一册 Lesson 66 What's the time? 几点钟？/ had better 用法

## 一、课文原文

1. — When must you come home? — I must come home at one o'clock.

2. — When must she go to the library? — She must go to the library at a quarter past one.

3. — When must Sam and Penny see the boss? — They must see the boss at half past one.

4. — When must you meet Tom? — I must meet Tom at a quarter to two.

5. — When must you type this letter? — I must type this letter at two o'clock.

6. — When must he take his medicine? — He must take his medicine at half past two.

7. — When must she drive to London? — She must drive to London at a quarter to three.

8. — When must you catch the bus? — I must catch the bus at three o'clock.

9. — When must they arrive there? — They must arrive there at a quarter past three.

10. — When must you come home? — I must come home at half past three.

## 二、重点词汇详解

| 单词 | 音标 | 词性 | 释义 | 用法说明 |
|------|------|------|------|----------|
| library | /ˈlaɪbrəri/ | n. | 图书馆 | go to the library 去图书馆 |
| boss | /bɒs/ | n. | 老板 | see the boss 见老板 |
| meet | /miːt/ | v. | 见面；迎接 | meet Tom 见汤姆 |
| type | /taɪp/ | v. | 打字 | type a letter 打一封信 |
| medicine | /ˈmedsən/ | n. | 药 | take medicine 吃药 |
| catch | /kætʃ/ | v. | 赶上（车等） | catch the bus 赶公共汽车 |
| arrive | /əˈraɪv/ | v. | 到达 | arrive there 到达那里 |

## 三、语法知识点

### had better 的用法

| 句型 | 结构 | 例句 |
|------|------|------|
| 肯定 | had better + 动词原形 | You'd better go now. |
| 否定 | had better not + 动词原形 | You'd better not be late. |
| 疑问 | Had... better + 动词原形? | Had I better go now? |

**注意**：
- had better 没有人称变化，一律用 had
- 后接动词原形，不能加 to
- 缩写：'d better
- 语气比 should 更强，暗示"如果不这样会有不好的结果"

### had better vs must / should

| 对比 | had better | must | should |
|------|-----------|------|--------|
| 语气 | 劝告（含警告意味） | 强制/必须 | 建议 |
| 场景 | 针对特定情况 | 通用规则 | 一般建议 |
| 例句 | You'd better not be late. | You must not be late. | You should not be late. |

### When must...? 询问必须何时做某事

| 句型 | 例句 |
|------|------|
| When must you come home? | 你必须什么时候回家？ |
| When must she go to the library? | 她必须什么时候去图书馆？ |
| When must he take his medicine? | 他必须什么时候吃药？ |

## 四、重点句型分析

### 1. When must you come home? 你必须什么时候回家？
- When 引导的特殊疑问句
- must + 动词原形

### 2. at a quarter past one 一点一刻
- 时间介词用 at + 具体时间点

### 3. catch the bus 赶公共汽车
- catch = 赶上（交通工具）
- catch the train 赶火车 / catch the plane 赶飞机

### 4. take his medicine 吃药
- take medicine 吃药（不用 eat medicine）
- take one's medicine 吃某人的药

## 五、课文翻译

1. — 你必须什么时候回家？— 我必须一点钟回家。
2. — 她必须什么时候去图书馆？— 她必须一点一刻去图书馆。
3. — 萨姆和佩妮必须什么时候见老板？— 他们必须一点半见老板。
4. — 你必须什么时候见汤姆？— 我必须差一刻两点见汤姆。
5. — 你必须什么时候打这封信？— 我必须两点钟打这封信。
6. — 他必须什么时候吃药？— 他必须两点半吃药。
7. — 她必须什么时候开车去伦敦？— 她必须差一刻三点开车去伦敦。
8. — 你必须什么时候赶公共汽车？— 我必须三点钟赶公共汽车。
9. — 他们必须什么时候到达那里？— 他们必须三点一刻到达那里。
10. — 你必须什么时候回家？— 我必须三点半回家。

## 六、语言点精讲

1. **had better** — 虽然 had 是过去式，但 had better 表示的是现在或将来的建议，与过去无关。
2. **take medicine** — "吃药"用 take，不用 eat 或 drink。这是固定搭配。
3. **catch the bus** — catch 表示"赶上"，miss the bus 表示"错过"。反义词对：catch ↔ miss。
4. **arrive there** — there 是副词，前面不加 at。对比：arrive at the station（station 是名词）。

## 七、课后练习要点

1. 熟练运用 had better 的肯定、否定、疑问形式
2. 掌握 When must...? 句型
3. 练习时间表达与介词 at 的搭配
4. 掌握 take medicine / catch the bus 等固定搭配

## 八、本课小结

- 核心语法：had better 的各种句式
- 核心词汇：library, boss, catch, medicine, arrive
- 核心句型：When must you...? / You'd better (not)...
- 固定搭配：take medicine, catch the bus, arrive there